| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 4°C | -15°C | -5°C |
| February | 11°C | -13°C | -2°C |
| March | 23°C | -6°C | 7°C |
| April | 27°C | 6°C | 16°C |
| May | 33°C | 10°C | 22°C |
| June | 36°C | 14°C | 24°C |
| July | 37°C | 20°C | 27°C |
| August | 37°C | 17°C | 25°C |
| September | 31°C | 10°C | 21°C |
| October | 22°C | 7°C | 14°C |
| November | 22°C | -9°C | 3°C |
| December | 12°C | -21°C | -6°C |
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