| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 1°C | -30°C | -15°C |
| February | 1°C | -29°C | -13°C |
| March | 3°C | -23°C | -5°C |
| April | 20°C | 1°C | 10°C |
| May | 25°C | 1°C | 10°C |
| June | 29°C | 11°C | 19°C |
| July | 31°C | 12°C | 21°C |
| August | 26°C | 0°C | 18°C |
| September | 25°C | 8°C | 16°C |
| October | 18°C | -1°C | 8°C |
| November | 12°C | -13°C | 2°C |
| December | 2°C | -24°C | -8°C |
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