| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 3°C | -20°C | -6°C |
| February | 9°C | -3°C | 2°C |
| March | 21°C | -4°C | 5°C |
| April | 24°C | 1°C | 12°C |
| May | 26°C | 1°C | 13°C |
| June | 29°C | 12°C | 20°C |
| July | 38°C | 13°C | 24°C |
| August | 36°C | 11°C | 23°C |
| September | 33°C | 8°C | 19°C |
| October | 21°C | 0°C | 10°C |
| November | 15°C | -9°C | 3°C |
| December | 7°C | -13°C | -1°C |
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