| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | -4°C | -29°C | -17°C |
| February | 3°C | -29°C | -12°C |
| March | 15°C | -22°C | -4°C |
| April | 21°C | -2°C | 11°C |
| May | 27°C | 3°C | 13°C |
| June | 30°C | 8°C | 18°C |
| July | 30°C | 12°C | 22°C |
| August | 30°C | 12°C | 22°C |
| September | 26°C | 4°C | 15°C |
| October | 20°C | -4°C | 9°C |
| November | 1°C | -15°C | -9°C |
| December | 0°C | -26°C | -15°C |
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