| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -10°C | 1°C |
| February | 16°C | -8°C | 3°C |
| March | 19°C | -5°C | 5°C |
| April | 29°C | 2°C | 13°C |
| May | 29°C | 2°C | 12°C |
| June | 33°C | 7°C | 19°C |
| July | 37°C | 10°C | 22°C |
| August | 37°C | 9°C | 22°C |
| September | 34°C | 6°C | 18°C |
| October | 22°C | 1°C | 13°C |
| November | 21°C | -4°C | 9°C |
| December | 15°C | -7°C | 4°C |
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