The Best Time to Pressure Wash a House

A pressure washer is being used to clean a wooden deck. The high-pressure spray is creating a rainbow effect.

The best time to pressure wash your house is in the spring, with fall coming in as a close second. These seasons offer the perfect weather for cleaning, giving your home a fresh look just in time for summer fun or the holidays. 

Spring is especially ideal because it lets you wash away all the grime winter left behind and helps your home dry faster in the mild weather. But if you miss spring, don’t worry — fall is also a great time to clean up before cold temperatures and snow set in. 

Let’s break down why timing matters and how to choose the best season for your region, weather conditions, and other considerations.

The Best Time of Year to Pressure Wash a House

When it comes to the best time of year to pressure wash, spring and fall are your top choices. Here’s why:

Spring – The Perfect Time (Best Option)

Spring is the most popular time for pressure washing, and for good reason. After the cold winter months, your exterior is likely covered in dirt, grime, and salt from snow and ice. Spring brings milder weather, low humidity, and a great chance to freshen up your house before the busy summer months.

Why Spring Works Well

  • Washes away winter grime, salt, and debris
  • Prepares your home for summer outdoor activities
  • Makes the exterior look fresh and boosts curb appeal
  • Ideal weather for surfaces to dry quickly and evenly

Fall – Another Great Option (Second Best)

Fall is another excellent time to pressure wash, especially before winter rolls around. The temperatures are cooler, making the job more comfortable, and it’s a great way to clear away fallen leaves, pollen, and leftover summer gunk.

Why Fall is Also Good

  • Helps clear away debris and fallen leaves
  • Protects surfaces before the winter freezing weather hits
  • Removes sticky residues from summer activities (like tree sap or BBQ stains)
  • Great for cleaning driveways, patios, and walkways

Summer – Can Work, But Be Cautious 

Summer can work if you’re hosting outdoor events or want your home looking sharp. Just keep in mind that hot temperatures can cause water and cleaning solutions to evaporate too quickly, which might lead to streaks or uneven results.

What to Keep in Mind

  • Wash in the early morning or late afternoon to avoid peak heat.
  • Be mindful of high temperatures that can dry surfaces too quickly.
  • Skip using harsh chemicals that might release fumes in the heat.
  • Book early, as summer is a peak time for pressure washing services, so you may face longer wait times.

Winter is generally the worst time to pressure wash. Freezing temperatures, snow, and ice can make it risky. Water left on surfaces might freeze, creating slip hazards or even causing damage.

Why Winter is Not Ideal

  • Water can freeze, causing slip hazards.
  • Slower drying times can encourage mold and mildew.
  • Equipment may not function well in the cold

That said, if there’s an unseasonably warm day and you’re careful, it’s possible — but be extra cautious to avoid accidents or damage.

Regional Timing Guidelines

Pressure washing times can vary significantly across different regions of the U.S. due to climate differences. Below is a breakdown by region to help you plan the best time for cleaning your home’s exterior.

Northeast 

States included: States included: Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont

Best seasons: Spring and fall

Worst season: Winter

In the Northeast, winters are cold, with snow and ice often causing damage to home exteriors. It’s generally not ideal to pressure wash during winter due to freezing temperatures. Spring and fall are the best times to pressure wash here because:

  • Spring: After the harsh winter months, spring offers mild temperatures perfect for cleaning without freezing. Snowmelt, salt, and grime buildup are common after winter, so pressure washing in the spring ensures a fresh start for your home.
  • Fall: With the arrival of cooler weather, fall is also an excellent time to clean. The leaves start to fall, and mold or mildew from the humid summer months can start to build up on your house. Fall is ideal for removing these elements before the freeze sets in.

Special Considerations

  • Humidity in summer: Summer can be humid in some parts of the Northeast, which can lead to mold growth, so it’s essential to keep an eye on mold-prone areas and clean them before the humidity peaks.

Southeast 

States included: Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia

Best seasons: Spring and fall

Worst season: Summer (especially for the Gulf Coast)

The Southeast is known for its high humidity, frequent rain, and intense summer heat. This region faces unique challenges for pressure washing, but the best times to tackle the job are still spring and fall.

  • Spring: Spring is the most favorable season for pressure washing. The humidity is not as high as in the summer, and the rains haven’t yet hit their peak, which means it’s a great time to clean away dirt, pollen, and mold buildup before the heat sets in.
  • Fall: Fall is another great time to pressure wash. After the summer heat, this cooler season allows for proper drying of surfaces, and you can clean up any mold or mildew that formed over the summer. Additionally, fall brings fallen leaves, which can block drains and gutters if left unattended.

Special Considerations

  • Summer: While it’s possible to pressure wash during summer, the intense heat and afternoon storms can make it less ideal. High temperatures cause water and cleaning solutions to evaporate too quickly, leading to streaks and uneven finishes.
  • Gulf Coast: In areas like Florida, where humidity and rain are constant, mold and mildew can become a recurring issue, so frequent pressure washing in the spring and fall is recommended.

Midwest 

Image of a driveway being pressure washed, in Lima, Ohio, showing a person cleaning the concrete surface.
Photo Credit: Lima, Ohio, Decorative Concrete Kingdom / Flickr / CC BY 2.0
States included: Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin

Best seasons: Spring and fall
Worst season: Winter

The Midwest experiences a wide range of temperatures, from frigid winters to hot summers, making spring and fall the best times for pressure washing.

  • Spring: After the snow and ice melt, your home can accumulate salt, dirt, and grime that needs to be cleaned off before the summer months. Spring offers moderate temperatures that allow the water to dry quickly, making it the best time to get your house ready for the warmer months.
  • Fall: Similar to the Northeast, fall is ideal in the Midwest because of cooler temperatures and lower humidity. By this time, the summer heat has passed, and you’re cleaning away the debris of fall, like leaves, twigs, and mold buildup from high humidity.

Special Considerations

  • Winter: It’s not advisable to pressure wash in the winter because water can freeze, creating hazards and damaging surfaces.
  • Summer: While you can clean in the summer, the Midwest’s hot temperatures can cause water and cleaning solutions to dry too quickly, leading to streaks.

Southwest 

States included: Arizona, New Mexico, Oklahoma, Texas

Best seasons: Spring and fall
Worst season: Summer (due to extreme heat)

The Southwest is characterized by its hot desert climate, with extremely high temperatures in the summer months. This region requires careful consideration when choosing the time to pressure wash.

  • Spring: Spring is ideal for pressure washing in the Southwest. The temperatures are warm but not yet at the scorching levels of summer, and the dry air ensures that surfaces won’t take too long to dry. Spring cleaning can clear away dust, dirt, and any residual debris left by windstorms.
  • Fall: Fall is another great time because the temperatures are still warm, but more comfortable than the summer heat. After the summer dust storms, fall provides an excellent opportunity to refresh the home’s exterior and clean up fallen leaves and debris.

Special Considerations

  • Summer: Summer heat can make it tough to pressure wash in the afternoon due to extremely high temperatures. You’ll need to work in the early morning or late evening to avoid direct sunlight and excessive evaporation.

The West

States included: Alaska, California, Colorado, Hawaii, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming

Best seasons: Spring and fall
Worst season: Winter (due to rain and cold)

The western U.S. includes both the Pacific Northwest and West Coast states like California. While the overall climate is milder than in other regions, wet winters in the north and hot summers in the south influence the best times to pressure wash.

  • Spring: Spring is ideal for pressure washing in this region. In the Pacific Northwest, it helps remove moss, mildew, and grime that have built up during the rainy winter months. California offers moderate temperatures and dry conditions, perfect for a thorough, streak-free clean.
  • Fall: Fall is another great season to clean exterior surfaces. In the Northwest, it clears away leaves and debris before the rains return. In California, cooler temps make it easier to wash without water and chemicals drying too fast. It’s also a smart time to prep your home for winter, especially if you plan to entertain during the holidays.

Special Considerations

  • Rain: Rain is common in Washington and Oregon, so try to pressure wash on dry days for best results.
  • Heat: In Southern California, avoid mid-day pressure washing in summer, when intense heat can cause cleaning agents to dry too quickly and leave streaks.
  • Summer demand: Summer is the peak season for professional services, which can lead to higher prices and limited availability.

The Best Weather Conditions for Pressure Washing

Weather plays a huge role in how well your pressure washing job will turn out

Temperature

The best temperature range for pressure washing is between 50°F and 85°F. Too cold, and water may freeze; too hot, and surfaces dry too quickly, which can cause streaks or uneven results.

Humidity

Aim for low to moderate humidity. High humidity can slow down the drying process and cause mold or mildew to grow, especially in poorly ventilated areas.

Cloud Cover

Overcast skies are the best for pressure washing. Direct sunlight can cause cleaning solutions to dry too quickly, resulting in streaks. Cloudy days help maintain visibility and even drying.

Wind

Choose calm, wind-free days. Wind can blow debris around, making it harder to control the spray and resulting in a less efficient cleaning job.

The Best Time of Day to Pressure Wash a House

While you can pressure wash any time of day, some times are better than others.

Morning (Best)

Early mornings are the best time to pressure wash, especially in the summer when temperatures are cooler. You’ll have plenty of time to clean and allow surfaces to dry before the heat of the day.

Late Afternoon (Second Best)

If you can’t pressure wash in the morning, the late afternoon is a good alternative. The sun won’t be as harsh, and the temperatures will be lower, which helps avoid drying issues.

Midday (Avoid)

Midday is the least ideal time for pressure washing. The sun is at its peak, causing the water and cleaning solutions to evaporate too quickly. This leads to streaks and uneven cleaning.

Special Timing Considerations

Painter on ladder using pressure wash spray to clean woodwork before painting townhome
Photo Credit: steheap / Adobe Stock Free / License

In certain cases, there are additional factors to consider when scheduling your pressure washing.

  • Before painting: If you plan to paint your house, pressure washing beforehand is a must. It removes old paint, dirt, and grime, ensuring a clean surface for better paint adhesion.
  • Before selling your home: A clean, freshly washed exterior can boost your home’s curb appeal and make it more attractive to potential buyers. If you’re selling your house, pressure washing is a great way to make your home stand out.

DIY vs. Professional Timing Differences

When it comes to pressure washing, timing is also important, depending on whether you’re doing it yourself or hiring professionals.

Professional Scheduling

  • Peak seasons: Professionals are busiest during the spring and fall, so book early to secure your spot.
  • Expert timing: Professionals can handle pressure washing during less-than-ideal weather conditions, such as cloudy days or mild wind.

DIY Scheduling

  • Weekend projects: Most homeowners choose to pressure wash on weekends, but make sure you have enough time and the right equipment.
  • Equipment rentals: Check availability if you’re renting equipment, especially during peak seasons. Equipment can be harder to find when demand is high.

Cost Considerations

  • Peak season prices: Expect higher prices for professional services during peak times like spring and fall. Renting equipment may also cost more during busy months.

Timing Is Everything

Choosing the right time of year to pressure wash your house can make the job easier, more effective, and longer-lasting. 

Spring is the best choice, because it clears away winter buildup and gets your home ready for summer. Fall is another great option, giving you a clean slate before cold weather sets in. While summer and winter aren’t ideal, you can still make them work with the right conditions and precautions. In the end, it’s all about working with the weather, not against it. 

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Main Photo Credit: Patrick Shusta / Flickr / CC BY 2.0

Aly Narvaez

Aly is a writer with a DIY obsession and a mission to make her home both fabulous and feline-friendly. She’s constantly cooking up new ideas to infuse her space with personality while outsmarting her cat’s latest antics. For Aly, home projects are less about perfection and more about creating a cozy, creative nest that’s as stylish as it is cat-proof.