| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | -5°C | -28°C | -17°C |
| February | 4°C | -27°C | -13°C |
| March | 13°C | -21°C | -5°C |
| April | 27°C | -6°C | 10°C |
| May | 28°C | 2°C | 12°C |
| June | 31°C | 8°C | 17°C |
| July | 32°C | 0°C | 21°C |
| August | 29°C | 11°C | 21°C |
| September | 26°C | 2°C | 15°C |
| October | 19°C | -6°C | 7°C |
| November | 6°C | -22°C | -9°C |
| December | 1°C | -27°C | -16°C |
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