United States
| Month | Max. | Min. | Avg. | ||
|---|---|---|---|---|---|
| January | 22°C | -18°C | 0.2°C | 71.5% |
0.2 mm |
| February | 25°C | -22°C | 4.3°C | 75.4% |
0.1 mm |
| March | 28°C | -3°C | 12.2°C | 64.8% |
0.1 mm |
| April | 30°C | -1°C | 15.7°C | 75% |
0.5 mm |
| May | 32°C | 6°C | 19.3°C | 82.7% |
0.1 mm |
| June | 37°C | 13°C | 25.6°C | 83.5% |
0.2 mm |
| July | 38°C | 14°C | 27.7°C | 83.4% |
0.2 mm |
| August | 40°C | 7°C | 25.5°C | 78.3% |
0.1 mm |
| September | 38°C | 4°C | 23.4°C | 74.5% |
0.1 mm |
| October | 34°C | -3°C | 17.8°C | 74.9% |
0 mm |
| November | 27°C | -4°C | 9.9°C | 77.6% |
0.1 mm |
| December | 23°C | -13°C | 5.2°C | 78.6% |
0.2 mm |
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