| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 0°C | -25°C | -13°C |
| February | 6°C | -22°C | -9°C |
| March | 16°C | -15°C | 0°C |
| April | 25°C | -3°C | 12°C |
| May | 28°C | 5°C | 16°C |
| June | 34°C | 11°C | 22°C |
| July | 31°C | 0°C | 23°C |
| August | 29°C | 13°C | 23°C |
| September | 28°C | 7°C | 18°C |
| October | 22°C | 0°C | 11°C |
| November | 20°C | -16°C | -4°C |
| December | 3°C | -23°C | -12°C |
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