US Geography / US Weather / Virginia Weather / Fairfax |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 40 | 44 | 54 | 65 | 74 | 82 | 87 | 85 | 78 | 67 | 56 | 45 |
| Avg. Low | 21 | 24 | 31 | 40 | 50 | 58 | 64 | 62 | 55 | 42 | 34 | 25 |
| Mean | 31 | 34 | 44 | 54 | 62 | 71 | 76 | 74 | 67 | 55 | 45 | 35 |
| Avg. Precip. | 2.7 in | 2.8 in | 3.3 in | 3.1 in | 4.0 in | 3.9 in | 3.5 in | 3.9 in | 3.4 in | 3.3 in | 3.3 in | 3.3 in |
Degrees in Fahrenheit
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