US Geography / US Weather / Virginia Weather / Reston |
| 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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