United States
| Month | Max. | Min. | Avg. | ||
|---|---|---|---|---|---|
| January | 19°C | -20°C | 2.1°C | 74.4% |
0.1 mm |
| February | 20°C | -14°C | 1.2°C | 77.2% |
0 mm |
| March | 24°C | -8°C | 4.7°C | 68.2% |
0 mm |
| April | 23°C | -5°C | 7.9°C | 57.4% |
0 mm |
| May | 31°C | -3°C | 11.7°C | 51.2% |
0 mm |
| June | 35°C | 1°C | 17.3°C | 40.3% |
0 mm |
| July | 39°C | 9°C | 22.4°C | 37.5% |
0 mm |
| August | 37°C | 5°C | 21.9°C | 46.2% |
0 mm |
| September | 36°C | 4°C | 18.8°C | 49% |
0 mm |
| October | 29°C | -5°C | 10.6°C | 59.4% |
0 mm |
| November | 22°C | -7°C | 7°C | 71% |
0 mm |
| December | 20°C | -6°C | 4.5°C | 73.8% |
0.1 mm |
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