United States
| Month | Max. | Min. | Avg. | ||
|---|---|---|---|---|---|
| January | 17°C | -25°C | -3.8°C | 72.5% |
0.1 mm |
| February | 20°C | -17°C | 0.9°C | 69.4% |
0.1 mm |
| March | 33°C | -10°C | 8.8°C | 64.1% |
0.1 mm |
| April | 29°C | -5°C | 12.9°C | 67.9% |
0.2 mm |
| May | 33°C | 4°C | 17.2°C | 71.3% |
0.1 mm |
| June | 37°C | 7°C | 24.3°C | 71.6% |
0.1 mm |
| July | 37°C | 13°C | 26.6°C | 74.7% |
0.1 mm |
| August | 37°C | 9°C | 23.7°C | 68.9% |
0 mm |
| September | 35°C | 8°C | 21.8°C | 62.7% |
0 mm |
| October | 33°C | -4°C | 15.7°C | 64.6% |
0 mm |
| November | 28°C | -8°C | 7.3°C | 74.6% |
0 mm |
| December | 18°C | -18°C | 1.6°C | 78% |
0.1 mm |
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