| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 1°C | -36°C | -16°C |
| February | 3°C | -34°C | -15°C |
| March | 3°C | -23°C | -6°C |
| April | 15°C | -5°C | 4°C |
| May | 25°C | 0°C | 10°C |
| June | 31°C | 5°C | 18°C |
| July | 33°C | 0°C | 20°C |
| August | 30°C | 8°C | 17°C |
| September | 23°C | -3°C | 11°C |
| October | 21°C | -8°C | 6°C |
| November | 8°C | -13°C | -3°C |
| December | 1°C | -39°C | -15°C |
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