| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 17°C | -16°C | 3°C |
| February | 22°C | -3°C | 10°C |
| March | 25°C | -1°C | 13°C |
| April | 27°C | 2°C | 15°C |
| May | 31°C | 10°C | 21°C |
| June | 35°C | 14°C | 25°C |
| July | 36°C | 18°C | 26°C |
| August | 38°C | 12°C | 26°C |
| September | 35°C | 11°C | 23°C |
| October | 33°C | 2°C | 18°C |
| November | 29°C | -7°C | 11°C |
| December | 20°C | -4°C | 9°C |
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