Climate for Washington National Airport, D.C.
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Average Temperatures for Washington National Airport
| Month | Low | High |
|---|---|---|
| Jan | 27.3°F | 42.5°F |
| Feb | 29.7°F | 46.5°F |
| Mar | 37.3°F | 55.7°F |
| Apr | 45.9°F | 66.3°F |
| May | 55.8°F | 75.4°F |
| Jun | 65.0°F | 83.9°F |
| Jul | 70.1°F | 88.3°F |
| Aug | 68.6°F | 86.3°F |
| Sept | 61.8°F | 79.3°F |
| Oct | 49.6°F | 68.0°F |
| Nov | 40.0°F | 57.3°F |
| Dec | 32.0°F | 47.0°F |
Washington National Airport's coldest month is January when the average temperature overnight is 27.3°F. In July, the warmest month, the average day time temperature rises to 88.3°F.
Average Rainfall for Washington National Airport
| Month | Precipitation |
|---|---|
| Jan | 3.21in. |
| Feb | 2.63in. |
| Mar | 3.60in. |
| Apr | 2.77in. |
| May | 3.82in. |
| Jun | 3.13in. |
| Jul | 3.66in. |
| Aug | 3.44in. |
| Sept | 3.79in. |
| Oct | 3.22in. |
| Nov | 3.03in. |
| Dec | 3.05in. |
The driest month in Washington National Airport is February with 2.63 inches of precipitation, and with 3.82 inches May is the wettest month.