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Washington DC, USA Weather Averages

July is the hottest month in Washington DC with an average temperature of 27°C (80°F) and the coldest is January at 4°C (38°F) with the most daily sunshine hours at 9 in July. The wettest month is May with an average of 100mm of rain..

Average Temperature Washington DC

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Washington DC

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Day Temperature Washington DC

What is Average Day Temperature?
The average temperature recorded between sunrise and sunset
What is Average Day Temperature?
The average temperature recorded between sunrise and sunset

Average Night Temperature Washington DC

What is Average Night Temperature?
The average temperature recorded between sunset and sunrise
What is Average Night Temperature?
The average temperature recorded between sunset and sunrise

Average Rainfall Washington DC

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Washington DC

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Washington DC : Next 24-Hour Weather

Tomorrow - 2nd July 2025

Sunrise 05:47

Sunrise

Sunset 20:37

Sunset
23:00
Partly cloudy
27°C (80°F)

Tomorrow - 3rd July 2025

Sunrise 05:47

Sunrise

Sunset 20:37

Sunset
0:00
Mist
27°C (79°F)
1:00
Fog
26°C (78°F)
2:00
Fog
25°C (76°F)
3:00
Fog
24°C (75°F)
4:00
Fog
24°C (74°F)
5:00
Fog
23°C (72°F)
6:00
Fog
22°C (71°F)
7:00
Fog
23°C (72°F)
8:00
Partly cloudy
25°C (76°F)
9:00
Partly cloudy
27°C (80°F)
10:00
Clear
30°C (86°F)
11:00
Clear
31°C (87°F)
12:00
Partly cloudy
32°C (89°F)
13:00
Clear
34°C (92°F)
14:00
Clear
35°C (94°F)
15:00
Clear
35°C (95°F)
16:00
Clear
35°C (95°F)
17:00
Clear
34°C (93°F)
18:00
Clear
33°C (91°F)
19:00
Clear
32°C (88°F)
20:00
Clear
30°C (86°F)
21:00
Clear
29°C (84°F)
22:00
Clear
27°C (80°F)
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