US Geography / US Weather / Maryland Weather / Gaithersburg |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 40° | 44° | 54° | 64° | 74° | 81° | 85° | 84° | 76° | 66° | 55° | 44° |
| Avg. Low | 21° | 22° | 32° | 40° | 50° | 58° | 64° | 62° | 54° | 42° | 34° | 25° |
| Mean | 31° | 34° | 44° | 52° | 62° | 70° | 75° | 74° | 66° | 55° | 45° | 35° |
| Avg. Precip. | 2.9 in | 2.8 in | 3.4 in | 3.3 in | 4.3 in | 3.8 in | 3.7 in | 4.0 in | 3.5 in | 3.3 in | 3.3 in | 3.1 in |
Degrees in Fahrenheit
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