Washington weather in May (Pennsylvania, United States of America)
What should you pack for a trip to Washington in May? See what weather conditions to anticipate this month with our guide.
Temperatures
During May, Washington experiences perfect weather, with high temperatures and moderate rainfall. Anticipate daytime temperatures around 22°C, while night temperatures can drop to 9°C.
Precipitation
Washington in May usually receives moderate rainfall, averaging around 98 mm for the month. According to historical climate patterns, there are usually around 15 days days of rain.Average sunshine
The days are predominantly sunny, with an estimated total of around 217 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit. May, July, August and September generally stand out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Washington climate page with graphs.
Washington, monthly averages in May
Min Temperature
9°C
Max Temperature
22°C
Chance of Rain
50%
Precipitation
98 mm
Rainy days
15 days
Humidity
63% *
Sunshine
217 hours *
Percentage Sunshine
48% *
Where to go 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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
For visitors traveling to Washington, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Washington.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
