| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 4°C | -23°C | -11°C |
| February | 9°C | -20°C | -6°C |
| March | 15°C | -15°C | 0°C |
| April | 29°C | -6°C | 11°C |
| May | 30°C | 2°C | 13°C |
| June | 34°C | 7°C | 19°C |
| July | 36°C | 0°C | 21°C |
| August | 32°C | 13°C | 22°C |
| September | 28°C | 4°C | 16°C |
| October | 23°C | -2°C | 10°C |
| November | 13°C | -16°C | -2°C |
| December | 4°C | -23°C | -11°C |
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