| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 7°C | -16°C | -2°C |
| February | 13°C | -2°C | 4°C |
| March | 22°C | -2°C | 7°C |
| April | 28°C | 6°C | 16°C |
| May | 29°C | 5°C | 16°C |
| June | 33°C | 13°C | 23°C |
| July | 40°C | 16°C | 28°C |
| August | 37°C | 14°C | 26°C |
| September | 34°C | 10°C | 22°C |
| October | 27°C | 2°C | 13°C |
| November | 21°C | -9°C | 6°C |
| December | 12°C | -3°C | 2°C |
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