| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 13°C | -12°C | -2°C |
| February | 15°C | -8°C | 0°C |
| March | 17°C | -7°C | 5°C |
| April | 22°C | -4°C | 7°C |
| May | 30°C | 2°C | 15°C |
| June | 35°C | 7°C | 20°C |
| July | 35°C | 13°C | 23°C |
| August | 34°C | 9°C | 21°C |
| September | 35°C | 7°C | 19°C |
| October | 29°C | 0°C | 13°C |
| November | 17°C | -4°C | 5°C |
| December | 16°C | -5°C | 3°C |
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