Washington, United StatesWeather by months in Washington
January
February
March
April
May
June
July
August
September
October
November
December
20ºC
Avg. daily temperature
25ºC
High
5ºC
Low
60 mm
Total precipitation
60%
Avg. humidity
5m/s
Avg. wind
12 
Sunny days
8 
Cloudy days
6 
Rainy days
Air temperature
May
The temperature is between 6 and 16 degrees Celsius.
Low6º16ºHigh
1.5The temperature is between 8 and 18 degrees Celsius.
Low8º18ºHigh
4.5The temperature is between 9 and 19 degrees Celsius.
Low9º19ºHigh
7.5The temperature is between 8 and 18 degrees Celsius.
Low8º18ºHigh
10.5The temperature is between 7 and 17 degrees Celsius.
Low7º17ºHigh
13.5The temperature is between 8 and 18 degrees Celsius.
Low8º18ºHigh
16.5The temperature is between 9 and 19 degrees Celsius.
Low9º19ºHigh
18.5The temperature is between 8 and 18 degrees Celsius.
Low8º18ºHigh
20.5The temperature is between 7 and 17 degrees Celsius.
Low7º17ºHigh
22.5The temperature is between 8 and 18 degrees Celsius.
Low8º18ºHigh
24.5The temperature is between 7 and 17 degrees Celsius.
Low7º17ºHigh
26.5The temperature is between 8 and 18 degrees Celsius.
Low8º18ºHigh
28.5In Washington, May experiences a maximum daytime temperature of around 25ºC and a minimum nighttime temperature of 5ºC. The average daily high is about 20ºC, while the average nightly low hovers around 10ºC. It's a great time for outdoor activities like biking along the C&O Canal or enjoying the fresh blooms at the United States Botanic Garden.
