| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 13°C | -18°C | -1°C |
| February | 16°C | -11°C | 0°C |
| March | 23°C | -9°C | 7°C |
| April | 27°C | 0°C | 14°C |
| May | 32°C | 3°C | 16°C |
| June | 32°C | 7°C | 20°C |
| July | 33°C | 10°C | 22°C |
| August | 33°C | 11°C | 22°C |
| September | 30°C | 5°C | 17°C |
| October | 17°C | 2°C | 10°C |
| November | 17°C | -6°C | 4°C |
| December | 12°C | -16°C | 0°C |
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