To fully enjoy your deck, you have to maintain it. This includes protecting it from the elements by re-staining and sealing the wood every few years. Sticking to this type of maintenance every 3-4 years will help preserve wood and prolong the life of your deck and prevent unnecessary damage that could require an expensive replacement.
Before you pull out the stain, check the weather report first as you need the right conditions. Choose a day with an ideal temperature for staining wood. Conditions such as heat, high humidity, or rain could severely impact your project's outcome and your deck's level of protection.
The Goldilocks Zone for Staining Your Deck
Yes, there is a just-right temperature for staining a deck. Stain your deck when the following conditions are present:
- Between 50 and 90 degrees Fahrenheit
- Cloudy, or the deck is in the shade
- Low humidity
- Rain not forecast
- Calm wind
When to Stain a Deck
Avoid the heat
Temperatures that are too hot will adversely affect your deck stain project. If it’s too hot outside, the stain will dry too quickly, causing unsightly marks and uneven penetration and protection.
If the forecast is for temperatures above 90 degrees Fahrenheit, choose another day when it’s cooler. If you must stain your deck that day, do so early in the morning before the sun gets too high in the sky and the temperatures get too hot. But even if you start early, high humidity could adversely affect the drying process.
Avoid the cold
Can you stain wood in cold weather? No. Low temperatures are detrimental to deck staining because they lengthen the drying time. If it’s too cold, your stain won’t penetrate the deck's wood, and the adhesion process will be compromised.
If you’re staining your deck in the spring or fall, wait for a day with temperatures above 50 degrees Fahrenheit. Also, check to see whether freezing temperatures are forecast for that night. Temperatures below freezing can hinder the curing process before the stain has thoroughly dried
Avoid direct sunlight
Never apply stain to a deck in direct sunlight as this can cause the stain to flash dry, which prevents it from penetrating the wood properly, which, in turn, will shorten its longevity. Flash drying also causes an uneven, blotchy appearance. Save the hard work for a cloudy day. You’ll want to enjoy your deck on a bright sunny day – not stain it.
Avoid high humidity and rain
Humid weather doesn’t necessarily ruin your deck staining efforts, but the higher the humidity, the longer it will take to dry. Staining in light rain will not work, either — you should wait for a day with no rain in the forecast for the next 24 hours to prevent washing the stain away.
Avoid the wind
Windy days aren’t ideal, either. The wind could blow leaves, twigs, and other debris onto your wet deck, sticking to the wood or leaving unsightly imprints in the stain. Therefore, choose a day when the air is still.
When Is the Best Time of Year to Stain a Deck?
Generally, late spring and early fall are the best times of the year to stain a deck. During these seasons, temperatures tend to be moderate—neither too hot nor too cold—and humidity is often lower, creating the ideal environment for the stain to cure properly. These months also typically have more stable weather, so you’re less likely to encounter sudden rain or extended heat waves.
Summer can be challenging, as high temperatures and intense sun can cause the stain to dry too quickly. Winter is usually not recommended, as cold weather can prevent the stain from penetrating the wood and curing properly.
By planning your project for late spring or early fall, you’ll have the best chance for success and a beautiful, long-lasting deck finish.
Get Help Staining Your Deck
Although staining a deck may seem easy, it requires planning, timing, and attention to detail. For results you can count on, choose Mr. Handyman® to stain your deck. Our home improvement service professionals have an average of 10 years of experience, so you can rest assured that they will do the job right. We also offer other deck and patio services, including power washing and repair work. We can even construct a beautiful, new deck from the ground up!
All our projects carry the Neighborly Done Right Promise®, which ensures we’ll get it done right the first time. To schedule service, please contact your local Mr. Handyman.
This article is intended for general guidance only and is not applicable to every situation. You are responsible for determining the proper course of action for your property and situation. Mr. Handyman is not responsible for any damages that occur as a result of advice and/or guidance derived from its blog content. Some Mr. Handyman services vary by location. Contact your local Mr. Handyman franchise for more information.
FAQs About the Best Temperature to Stain a Deck
For over 25 years, Mr. Handyman professionals have been helping homeowners and businesses repair, maintain, and enhance their space. We are a one-stop solution for everything on your to-do list. This includes answering your questions about home repairs, maintenance, and improvements. Here are answers to some of your most frequently asked questions on deck staining temperature.
What is the best temperature to stain a deck?
The best temperature to stain a deck is between 50°F and 90°F. Sticking to the ideal deck stain temperature range ensures that the stain properly absorbs into the wood, providing even coverage and a long-lasting finish. In addition, it can help prevent peeling, fading, and other durability issues.
Why does the best temperature to stain deck boards matter?
The temperature to stain deck boards significantly impacts how well the stain adheres and penetrates the wood. If the deck stain temperature is too low (below 50°F), the stain won't cure properly and could result in poor adhesion. Conversely, if it's too high (above 90°F), the stain dries too quickly, causing uneven penetration and potentially blotchy results. Applying finish only within the recommended temperature range helps ensure an even, durable finish.
Can I stain my deck if it's too cold?
It's not advisable to stain your deck in temperatures below 50°F, as the low deck stain temperature can hinder drying and proper curing. Cold temperatures slow down absorption, leading to an uneven, ineffective stain application. Always follow product-specific temperature guidelines to ensure the stain adheres correctly and lasts longer.
Is it okay to stain a deck in hot weather?
Staining a deck at temperatures over 90°F can cause problems. Hot weather makes the stain dry too rapidly, resulting in uneven penetration and poor adhesion. If the midday temperature forecast is higher than the recommended range, consider staining early in the morning or later in the afternoon to avoid direct sunlight and excessive heat.
When should I NOT stain my deck?
You should generally avoid staining your deck in hot, humid weather or when the wood is still wet from recent rain or cleaning. Here's what to avoid in order to achieve the best conditions for deck staining:
- High temperatures: Temperatures above 90°F can cause the stain to dry too quickly, resulting in poor penetration and an uneven finish.
- High humidity: High humidity slows drying, leading to poor stain adhesion.
- Wet wood: Applying stain to damp wood often results in peeling and poor adhesion.
- Direct sunlight: Direct sunlight accelerates drying and can disrupt even penetration.
- Rain: Avoid staining if rain is expected within 24–48 hours, as it interferes with proper drying.
Following these tips can help ensure your deck stain looks great and lasts as long as possible.
How does humidity affect deck staining?
Humidity significantly affects the drying time and adhesion of deck stains. Even if you have the best temperature to stain the deck, excessive humidity (over 70%) can prolong drying and lead to issues like uneven curing or mildew growth. Ideally, stain your deck when humidity is moderate, between 40% and 70%, to achieve optimal results.
Should I check the weather forecast before staining my deck?
Yes. Besides checking for the best temperature to stain the deck, always check the weather and confirm no rain is expected within 24–48 hours after staining. Rainfall soon after staining can wash away or weaken the stain, wasting your effort.
How long should I let my deck dry before staining?
Give your deck at least 48 hours to dry after cleaning, or 72 hours in shaded or humid areas. Proper drying time helps the stain penetrate deeply and evenly, giving you the professional-looking finish your deck deserves. Not sure it's dry enough? When in doubt, wait it out—your deck will thank you.
Looking for more deck staining tips or professional assistance? Connect with your local Mr. Handyman professionals today!
Some Mr. Handyman services vary by location. Contact your local Mr. Handyman franchise for more information.
