Best Motor Oil For Hot Weather


Is it necessary to use special motor oils for hot weather? What is the difference between winter and summer motor oils for your truck or car?

First, the oil you use will depend on what your vehicle is made of, where it is located, and how often you drive it. But, climate and seasons can play a significant role in choosing the right type of oil to get optimal results.

Choosing a reliable oil type is especially important during hot summer months. Let’s look at what motor oil can help keep your engine running at its best during the summer months.

The Top 5 Best Hot Weather Motor Oils

The Best Motor Oil for Hot Weather Summer

1. The Best Overall

Total Synthetic SYNPower 5W-30 Oil. Find on Amazon. The Valvoline SYNPower motor oil is fully synthetic and designed to protect your engine from extreme temperatures. It is ideal for driving in severe conditions. It’s the oil that you can use confidently in your high-end car or pickup truck, even if it’s subject to harsh driving conditions and incredibly high mileage each year.

It employs a synthetic formulation that guarantees maximum lubrication and overall engine protection at a relatively affordable price. You don’t have to be worried about the chance of mixing it up with other additives, like many options on the market.

Here are some more reasons it is worth the money:

  • Superior protection at both high- and low temperatures.
  • Excellent engine cleanliness
  • Superior varnish protection


The Valvoline SYNPower entire synthetic formulation provides superior engine protection by addressing three main engine problems: heat, wear, and deposits. The oil has durable anti-wear additives which last a long time making its price irresistible.

2. The Best Oil For Highway Conditions

Valvoline Synthetic Mix DURABlend 5W-30

The Valvoline DURABlend blends traditional motor oil and synthetic motor oils. This oil is well-blended to offer your engine many benefits of synthetic oil at a lower price. You can also return to regular oil anytime you like, unlike using a full-synthetic formulation.

The Valvoline DuraBlend has a longer life span than conventional motor oils and it can be used in urban conditions and will last up to 5000 miles before changing. Additionally, you can use it on the highway to cover up to 6000 miles while delivering better fuel economy. It also reduces engine wear in extreme conditions more than conventional motor oils.

Pros and Cons

  • The upside is that it offers protection in harsh driving conditions while the downside is its inefficiency to service sports cars of high-end design.
  • Advanced additive technology
  • Better fuel mileage
  • It is easy to return to traditional products.


The Valvoline DURABlend motor oil is the best for you to improve your fuel economy without using full synthetic. This unique combination of premium synthetics and conventional base oils outperforms other leading formulations and offers excellent protection for harsh driving conditions.

3. The Oil with the Best Value

Valvoline MaxLife High Mileage 5W-30 found on Amazon.

The Valvoline MaxLife High mileage oil, just like the DURABlend, is a synthetic mixture. The MAXLife oil is extremely impressive because of its superior protection and performance in high mileage engines. It is an excellent choice for vehicles with more than 70,000 miles.

Valvoline MaxLife contains anti-wear additives, special seal conditionings, and detergent technology. The engine’s long-term health is also improved by adding a variety of antioxidants. This formula reduces oil leaks, sludge, and poor engine performance in high mileage cars. It is also very affordable.

Pros and Cons

  • High-mileage cars offer excellent performance that does not serve vehicles with low mileage.
  • Prevents oil and sludge leakage.
  • Relatively cheap
  • The oil helps keep your engine clean.


The Valvoline MaxLife semi-synthetic oil is an affordable option that provides maximum protection for high-mileage vehicles.

The average oil change interval ranges between 5,000 to 7,000 miles making it shorter than full synthetic brands, but it’s normal for a blend. Its performance is still worth every coin.

4. Environmental Friendly Options

Valvoline NextGen Recycled 5W-30. Have a look at Amazon.

Most people are jumping on the green bandwagon today; recycled oil is the best option for environmentally-conscious vehicle owners. The Valvoline NextGen, the most advanced in its class, offers a 150,000-mile guarantee. It reduces the use of crude products, which lowers emissions and has a minor impact on the environment than oils that do not contain recycled products.

Nextgen oil is triple-filtered to remove all micro-impurities and then refined to achieve the best chemical properties. It also exceeds industry-required API specifications for viscosity and wear protection.

Pros and cons

  • Low emissions and environment-friendly but not ideal for modern hybrid vehicles.
  • Triple-filtered to remove any impurities
  • Excellent functionality
  • Wear protection and excellent sludge


The Valvoline NextGen oil is ideal for cars if you use eco-friendly products around your home. It offers the same performance and emissions as conventional oils but with lower use of crude oil. It exceeds both the API standards for wear and protection against sludge.

5. The Best Oil For Old Engines

Valvoline Premium Conventional 5w-30. Check it on Amazon.

Synthetic oils might not be very effective when used with older engines. However, to protect against different types of deposits, the Valvoline Premium Conventional oil works well with older machines. It works well at different temperatures and helps keep your engine cleaner than other mono-grade oils.

The oil is a premium, conventional product that comes with anti-wear additives that help to protect the oil and improve oxidation control. It provides complete anti-wear protection, exceeding the US, Japanese, and European wear tests.

Pros and Cons

  • Enhanced Oxidation Control is not the best choice for highly demanding engines, such as trucks and sports cars.
  • All deposits protected
  • Comprehensive anti-wear protection
  • Refuse to allow oil to thicken like a boss
  • Competitive price


The Valvoline Premium Convention is the best choice for an older car. Although it is the most affordable brand, it can withstand extreme temperatures. It is also very slippery and high quality compared to conventional oils in the US.

Heavier Weight Oil In Hot Weather and Summer Months?

Some gearheads recommend using lighter oil during winter for engine maintenance and heavier oil in summer.

Are there any potential advantages or disadvantages to using lighter oils in winter and heavier oils in summer? It’s essential for proper maintenance, according to some older car owners.

Is oil necessary to keep the engine healthy?

Oil maintenance is more complicated than in other areas. There are many myths and controversies surrounding oil. Use the oil to maintain the engine’s health. However, most people don’t know what this means.

It used to be essential that you change your oil weight every winter and summer. Because conventional oil formulas had only one viscosity and would thin out when heated, this is why it was so difficult to change oil weight in the winter or summer.

Not regularly changing your oil would lead to problems with the engine starting during the winter months, converting the oil to molasses. It would make it difficult for the pumps to lubricate the machine properly.

Oil change prevents such detrimental problems. Lightweight oil, like a 10-weight, was used in cold weather to allow it to flow freely. Suppose you don’t want the oil to melt due to high heat, use heavier oils of 30 and 40 weight in the summer. Multi-viscosity oils have since solved this problem.

This oil thickens to protect your engine during hot temperatures and flows better than single-grade oils during summer. It is the best all-seasons oil.

Multi-Viscosity oil explained

Multi-viscosity oils, also known as multi-grade oils, are vital for modern cars’ longevity because oil can offer excellent protection against cold and hot weather.

Modern engines use multi-grade oils. They are easy to recognize because they have an oil grade labeled as 10W40 with the “W” signifying winter.

Multi-Viscosity Oil for Hot Weather

Multi-grade oils, such as 10W40 indicate that the oil is made up of two viscosity levels. One is similar to a 10-weight oil in cold temperatures below 30 degrees Celsius, and the other is identical to a 40-weight oil in hot conditions above 100 degrees Celsius.

This oil performance innovation allows you not to change the season’s weights as it could harm your car’s engine. Multi-viscosity oils perform well at all temperatures. Modern engines can be used with this oil, as listed in the owner’s guide.

You can use these oils on older models of cars, but the viscosity must match the current climate. For northern Canada, 10W is the best, and 0W for Florida. You will need to use the original oil specification as the operating weight. However, older cars can work with 10W30.

You must understand synthetic oil to make the best decisions for your car.

Understanding Synthetic Oils

Most likely, you’ve heard gear-nerds praise synthetic oil. Perhaps even seen your friends use it. Synthetics are natural oils that have been refined to a higher level using complex additives to improve performance under extreme conditions.

This oil is commonly used in high-performance cars and sports cars. According to the manual, some vehicles require it. For the best performance and longevity, stick with the oil recommended by the manufacturer.

Synthetic oil is a good option if you plan to tow your car or stop and go often.

Are synthetics better for your car than multi-viscosity oils?

Why choose synthetics over conventional engine oils?

Proper maintenance and care of your engine are essential to avoid any breakdowns or visits from mechanics. It is also necessary to extend the life of your engine parts and reduce the cost of replacement.

Hot Weather: Synthetic Engine Oils vs. Conventional

Proper lubrication system oil and oil will ensure that your engine runs efficiently and reduce fuel consumption.

Synthetics offer superior performance at extreme temperatures, where flammability or high loads are more critical than multi-viscosity oils. They are capable of handling complex applications such as racing cars and meet performance targets without overheating.

Here are some reasons to choose synthetic oils over traditional oils.

  • Lower Oxidation Risk

Synthetics are made from engine oils that have been refined from crude oil. They can be engineered in controlled environments to ensure superior quality and uniformity, resulting in a longer life span for your engine parts.

Because of the strong bonds formed between the molecules and their purity, synthetic oils are more resistant to oxidation than engine oil.

Synthetic oils are less likely to oxidize than traditional oils. Conventional oils contain many impurities that can cause high-temperature oxidation. Contaminants also compromise oil’s integrity, so the car owner must change the oil often.

  • Viscosity Improvement

Paraffin can also cause oily deterioration at low temperatures.

Paraffin reduces oil fluidity and can cause severe wear when the engine is started after a long cold night. This reduction causes the engine oil to settle to the bottom and provides less lubrication to the engine’s moving parts.

Because conventional oils are less fluid at freezing temperatures, it takes longer to circulate in an engine, leading to significant damage to the parts.

Synthetic oils are more efficient because they retain their viscosity at all temperatures, which helps to avoid the wear and tear caused by cold engine startup.

  • Efficiency

Synthetic oils have a higher viscosity than conventional oils, which results in greater engine efficiency. This high viscosity allows oil to stay fluid at extreme temperatures (both high and low), resulting in lower operating costs and less frequent oil change.

The purity of synthetic oil reduces harmful gas emissions when the planet is more concerned about environmental pollution than ever, which is why most low-emission cars use synthetics.

It also reduces the chance of the engine setting itself ablaze at extremely high temperatures due to inadequate lubrication. Lubrication gives synthetic oils an advantage over traditional solutions that quickly ignite, improving driver safety.


Tips to Maximize Hot Weather Oil Performance

Synthetic oil might not suit you, depending on where you drive, how much stress you place on your vehicle, and what the manufacturer has said about it.

You can still optimize the performance of your car’s conventional motor oil, but that doesn’t make it any less efficient.

These are some tips to help keep your engine running smoothly this summer.

1. Use Multi-Viscosity oil

When the automotive industry switched from straight-weight oils to multi-visibility oil, they solved the problem of changing vehicle engine oil based on temperature.

Although this change was made over a decade ago for most vehicles, some older models still use single-grade oils as per the owner’s manual.

If you want to avoid temperature problems with new cars, you need to follow oil specifications on the user’s manual. Instructions laid by the manufacturer imply that the engineers have tested it and know which oil works best.

Hot weather with Multi-Viscosity oil

You can use multi-viscosity oils at different rates depending on the temperature. A 5W30 oil, for example, acts as a thick 30-weight oil during warm seasons and a 5-weight lubricant in winter, meaning that you don’t have to change the oil every season.

If your antique vehicle still uses single-viscosity oil, you may need thicker oil because of the high summer temperatures. It’s worth switching to multi-viscosity oils.

2. Go Synthetic

Synthetic oil can handle stress better than standard engine oil due to its lower impurities. It uses unique additives, detergents, and other chemicals to protect the engine from the stresses of high RPMs in the summer heat.

Synthetic motor oil

Synthetics can withstand high-temperature stress, as well as thinning or foaming. Because of the high pressures, tight tolerances, and high pressures generated by modern vehicles engines, it’s not surprising that more EOMs are specifying synthetic oil for daily use.

If you plan to take your vehicle to the races or use tow services frequently, switching to full-synthetic formulations may be the best choice.


3. Change the oil regularly

Is your summer driving schedule a mix of off-road, gravel, and dirt roads? If you answered in the affirmative, I am guessing you would need to change your oil and filter more often than the manufacturer recommends during hot seasons.

Although the oil filter works best to remove small vehicle grime particles, fine dust can still get through. Maintaining maximum protection on dusty roads requires that you have a regular oil change.

When determining the oil-change schedule, you will need to share your driving habits with the team because your boring commute puts your car in a severe-duty schedule, subjecting your car to frequent oil changes than you would require.

How to Check Your Motor Oil

Checking is easy to check your car’s oil once every three months or before you go on a long trip. To achieve this, you must park your car on level ground.

Constantly check your motor oil. You will need to do this even if the engine is not hot.

Here are the steps to follow:

  • To locate the dipstick, open the bonnet.
  • Start cleaning the oil at the end by removing the dipstick from your engine.
  • After cleaning, remove the dipstick and place it back, allowing you to measure the oil level. The indicator can be set to L to H (min. to maximum).
  • You can add synthetic oil or multi-viscosity oil to your car if low on oil. If the oil is not at the correct level, you can check the color and make sure there aren’t any metal particles. Black or brown is the best color.
  • You may need to visit a mechanic to find metal particles that usually indicate internal engine damage.

How to Change Your Motor Oil

It is much easier than other maintenance procedures, such as cleaning your exhaust system. First, locate the oil type recommended by the owner’s manual. Once you have the oil, find the filler cap marked with an oil icon and remove it.

Overfilling your engine can cause damage. You should only pour small amounts of oil into the machine and check the dip every so often.

Place the funnel at the top and gently pour the oil in. To avoid overfilling the tank, use the dipstick to check that the oil has been poured to the right level. If you notice that your vehicle is regularly topping off the oil, it’s time to check for leaks or if it is burning oil.


Keep your car running in hot weather by monitoring oil levels and using synthetic oil when needed. You should also consult the owner’s manual for the correct oil type.


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