| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 3°C | -23°C | -10°C |
| February | 3°C | -23°C | -10°C |
| March | 11°C | -17°C | -4°C |
| April | 22°C | 2°C | 12°C |
| May | 28°C | 1°C | 12°C |
| June | 28°C | 13°C | 20°C |
| July | 31°C | 14°C | 23°C |
| August | 29°C | 13°C | 21°C |
| September | 25°C | 9°C | 18°C |
| October | 18°C | 0°C | 8°C |
| November | 13°C | -10°C | 4°C |
| December | 4°C | -15°C | -3°C |
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