US Geography / US Weather / New Hampshire Weather / Londonderry |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 31 | 34 | 44 | 55 | 67 | 76 | 81 | 78 | 72 | 61 | 48 | 35 |
| Avg. Low | 8 | 11 | 24 | 34 | 44 | 54 | 58 | 56 | 48 | 37 | 28 | 16 |
| Mean | 21 | 24 | 34 | 45 | 56 | 65 | 70 | 68 | 60 | 50 | 38 | 26 |
| Avg. Precip. | 2.7 in | 2.5 in | 2.7 in | 3.3 in | 3.5 in | 3.6 in | 3.7 in | 3.5 in | 3.1 in | 3.4 in | 3.9 in | 3.4 in |
Degrees in Fahrenheit
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