| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 10°C | -15°C | 0°C |
| February | 14°C | -8°C | 2°C |
| March | 16°C | -10°C | 5°C |
| April | 23°C | 2°C | 13°C |
| May | 26°C | 6°C | 16°C |
| June | 29°C | 9°C | 20°C |
| July | 34°C | 17°C | 24°C |
| August | 34°C | 16°C | 25°C |
| September | 30°C | 14°C | 21°C |
| October | 23°C | 5°C | 15°C |
| November | 23°C | -8°C | 6°C |
| December | 15°C | -13°C | 0°C |
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