This post was updated on May 2, 2022
Best Temperature Range for Applying Deck Stains
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There is no uncertainty that weather has a huge impact on applying a deck stain. A number of factors can help or hurt when it comes to staining a deck. Rain for one is a very big factor. Not only can rain delay and deck staining project, but it can also ruin a freshly stained deck if it rains before the stain has time to dry. But there is another factor that may not be as common.
The temperature range for applying deck stain is just as crucial. Although the suggested temperature ranges for applying deck stain give a lot more room for error, it can still come into play. Applying deck stain when temperatures are too cold can affect the curing process of the stain. Applying deck stain when temperatures are too hot can cause the stain to evaporate and dry too quickly. In both cases, the stain’s performance can be jeopardized.
The suggested temperature range for applying deck stain is on average 45-95 degrees Fahrenheit. When deck stain is applied in cooler temperatures, in early spring or late fall, for example, the curing process of the stain can be hindered. Even if temperatures drop to below-suggested ranges, and especially close to freezing, days after you have applied stain it can still affect it negatively.
When deck stain is applied during extremely hot temperatures the stain can dry too quickly before it penetrates the wood properly. Besides the air temperature on extremely hot days, the wood surface can be very hot as well. You should never apply deck stain on a steamy hot day and especially in full sun. This is not only dangerous for the one doing the work, but the stain’s performance can be at risk. To be safe apply deck stain in temperature ranges of 45-95 degrees so you’ll get a beautiful long-lasting finish.