| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 2°C | -28°C | -12°C |
| February | 2°C | -21°C | -9°C |
| March | 18°C | -19°C | -4°C |
| April | 25°C | 1°C | 13°C |
| May | 28°C | -1°C | 11°C |
| June | 30°C | 10°C | 20°C |
| July | 33°C | 0°C | 21°C |
| August | 33°C | 10°C | 21°C |
| September | 29°C | 7°C | 18°C |
| October | 24°C | -3°C | 8°C |
| November | 15°C | -12°C | 3°C |
| December | 4°C | -16°C | -5°C |
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