| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 1°C | -22°C | -6°C |
| February | 2°C | -23°C | -6°C |
| March | 10°C | -14°C | -2°C |
| April | 22°C | 0°C | 10°C |
| May | 22°C | -2°C | 9°C |
| June | 27°C | 3°C | 15°C |
| July | 27°C | 6°C | 17°C |
| August | 31°C | 9°C | 20°C |
| September | 29°C | 4°C | 16°C |
| October | 18°C | 0°C | 9°C |
| November | 15°C | -10°C | 4°C |
| December | 5°C | -11°C | -2°C |
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