MilBases
Weather & Climate at The Pentagon
Washington, DC
Summary of the weather and climate in Washington, DC:
- The average high is 66.7°F and the average low is 49.5°F.
- The hottest month is July with a high of 88.4°F.
- The coldest month is January with a low of 28.6°F.
- Annual rainfall is 39.74 inches; the rainiest month is May (3.99 in).
- Annual snowfall is 15.4 inches; the snowiest month is February (5.7 in).
Source: NOAA climate normals.
Temperatures through the year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bars span each month's average low to average high (20°F – 90°F scale).
Monthly averages
| Month | High (°F) | Low (°F) | Rain (in) | Snow (in) | |
|---|---|---|---|---|---|
| January | 43.4 | 28.6 | 2.81 | 5.6 | |
| February | 47.1 | 30.9 | 2.62 | 5.7 | |
| March | 55.9 | 37.6 | 3.48 | 1.3 | |
| April | 66.6 | 47 | 3.06 | 0 | |
| May | 75.4 | 56.5 | 3.99 | 0 | |
| June | 84.2 | 66.3 | 3.78 | 0 | |
| July | 88.4 | 71.1 | 3.73 | 0 | |
| August | 86.5 | 69.7 | 2.93 | 0 | |
| September | 79.5 | 62.4 | 3.72 | 0 | |
| October | 68.4 | 50.6 | 3.4 | 0 | |
| November | 57.9 | 41.2 | 3.17 | 0.5 | |
| December | 46.8 | 32.5 | 3.05 | 2.3 |