Washington Weather in May
May in Washington averages 25°C (77°F) during the day and 13°C (55°F) at night. Quite a bit of rainfall is typical this month, with around 131 mm (5.2 in) on average. An umbrella is a good idea.
Rainfall in Washington in May
Historically, May sees about 13 days of rain, with a monthly average of 131 mm (5.2 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Washington in May
May in Washington brings typical temperatures with highs around 25°C (77°F) and lows of 13°C (55°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.If your ideal day consists of dry skies and pleasant temperatures, April, May, September and October typically offer the best circumstances for Washington.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Washington's climate page.
Washington Temperature in May
Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
43%
Precipitation
131 mm (5.2 in)
Rainy days
13 days
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Washington in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Washington in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Washington's climate page.
See the full Washington climate overview or explore weather in the United States of America.
