| Record high, °C | 33 | 29 | 19 | 17 | 17 | 21 | 23 | 27 | 30 | 32 | 37 | 35 | 37 |
| Average high, °C | 23 | 16 | 9 | 3 | 0 | 2 | 8 | 16 | 22 | 25 | 27 | 27 | 15 |
| Average temperature, °C | 17 | 11 | 5 | 0 | -3 | -1 | 4 | 11 | 16 | 20 | 21 | 21 | 10 |
| Average low, °C | 12 | 7 | 2 | -3 | -6 | -4 | -0 | 6 | 11 | 15 | 16 | 16 | 6 |
| Record low, °C | -2 | -7 | -12 | -20 | -27 | -23 | -20 | -6 | 0 | 3 | 6 | 1 | -27 |
| Rain, days | 7 | 7 | 9 | 6 | 4 | 5 | 8 | 12 | 13 | 12 | 11 | 8 | 102 |
| Snow, days | 0 | 1 | 4 | 9 | 11 | 10 | 6 | 1 | 0 | 0 | 0 | 0 | 42 |
| Fog, days | 25 | 27 | 27 | 28 | 28 | 26 | 28 | 24 | 23 | 22 | 24 | 25 | 307 |
| Thunderstorms, days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 9 | 9 | 6 | 33 |
| Average precipitation, mm. | 48 | 28 | 38 | 40 | 36 | 39 | 33 | 41 | 56 | 76 | 66 | 56 | 557 |
| Relative humidity, % | 65 | 74 | 83 | 87 | 84 | 84 | 76 | 65 | 66 | 63 | 61 | 61 | 72 |
| Relative humidity morning, % | 96 | 95 | 94 | 93 | 93 | 93 | 94 | 93 | 95 | 95 | 96 | 97 | 95 |
| Relative humidity evening, % | 58 | 66 | 80 | 85 | 83 | 79 | 70 | 61 | 62 | 63 | 61 | 59 | 69 |
| Wind speed, km/h | 12 | 14 | 14 | 16 | 14 | 19 | 16 | 17 | 14 | 16 | 16 | 14 | 15 |
| Day Length, часов | 13 | 11 | 10 | 9 | 10 | 11 | 13 | 14 | 16 | 16 | 16 | 15 | 13 |
| Dew point, °C | 11 | 6 | 1 | -2 | -4 | -3 | 0 | 5 | 10 | 13 | 15 | 15 | 67 |
| Growing degree-day, °C | 218 | 39 | 0 | 0 | 0 | 0 | 0 | 23 | 197 | 293 | 353 | 344 | 1466 |
| Solar radiation, global, Mj/m2 | 14 | 9 | 5 | 4 | 5 | 8 | 11 | 15 | 20 | 21 | 21 | 19 | 13 |