| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -18°C | -2°C |
| February | 18°C | -3°C | 8°C |
| March | 26°C | 0°C | 8°C |
| April | 29°C | 4°C | 15°C |
| May | 27°C | 4°C | 16°C |
| June | 33°C | 12°C | 22°C |
| July | 42°C | 13°C | 25°C |
| August | 38°C | 15°C | 25°C |
| September | 33°C | 9°C | 21°C |
| October | 32°C | 4°C | 16°C |
| November | 20°C | -5°C | 8°C |
| December | 13°C | -3°C | 3°C |
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