United States
| Month | Max. | Min. | Avg. | ||
|---|---|---|---|---|---|
| January | 22°C | -23°C | -2.1°C | 67.9% |
0.2 mm |
| February | 27°C | -15°C | 2.4°C | 68.3% |
0.1 mm |
| March | 36°C | -5°C | 11.5°C | 58.6% |
0.1 mm |
| April | 32°C | -2°C | 14.9°C | 69.3% |
0.5 mm |
| May | 33°C | 6°C | 18.7°C | 73.3% |
0.2 mm |
| June | 39°C | 12°C | 25.9°C | 75.2% |
0 mm |
| July | 40°C | 13°C | 28.5°C | 76.7% |
0.3 mm |
| August | 40°C | 11°C | 26.4°C | 72.1% |
0.1 mm |
| September | 39°C | 8°C | 24°C | 65.1% |
0.1 mm |
| October | 35°C | -1°C | 18°C | 70.2% |
0 mm |
| November | 29°C | -6°C | 9.6°C | 72.3% |
0 mm |
| December | 23°C | -14°C | 3.6°C | 75.6% |
0.1 mm |
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