| Record high, °C | 28 | 32 | 33 | 37 | 38 | 36 | 35 | 32 | 28 | 26 | 27 | 28 | 38 |
| Average high, °C | 18 | 21 | 25 | 27 | 29 | 28 | 26 | 22 | 17 | 14 | 13 | 16 | 21 |
| Average temperature, °C | 11 | 13 | 16 | 19 | 20 | 19 | 17 | 13 | 10 | 8 | 7 | 9 | 14 |
| Average low, °C | 5 | 7 | 8 | 10 | 12 | 11 | 9 | 7 | 5 | 3 | 2 | 3 | 7 |
| Record low, °C | -3 | -2 | 0 | 0 | 6 | 5 | 0 | -1 | -3 | -6 | -6 | -6 | -6 |
| Rain, days | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 6 | 10 | 6 | 5 | 33 |
| Fog, days | 17 | 12 | 8 | 5 | 4 | 5 | 11 | 15 | 21 | 21 | 22 | 23 | 164 |
| Thunderstorms, days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 3 |
| Average precipitation, mm. | 24 | 13 | 6 | 4 | 1 | 1 | 4 | 13 | 58 | 80 | 70 | 51 | 325 |
| Relative humidity, % | 75 | 65 | 60 | 55 | 50 | 55 | 60 | 70 | 80 | 85 | 85 | 80 | 68 |
| Relative humidity morning, % | 93 | 92 | 89 | 86 | 84 | 86 | 89 | 91 | 94 | 94 | 95 | 95 | 91 |
| Relative humidity evening, % | 59 | 50 | 44 | 39 | 37 | 38 | 40 | 48 | 62 | 68 | 68 | 64 | 51 |
| Wind speed, km/h | 9 | 12 | 12 | 12 | 9 | 12 | 9 | 9 | 8 | 8 | 6 | 8 | 10 |
| Day Length, часов | 12 | 13 | 14 | 15 | 15 | 14 | 13 | 12 | 11 | 10 | 11 | 11 | 13 |
| Dew point, °C | 7 | 8 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 5 | 5 | 6 | 97 |
| Growing degree-day, °C | 17 | 86 | 167 | 276 | 310 | 251 | 207 | 83 | 0 | 0 | 0 | 0 | 1396 |
| Solar radiation, global, Mj/m2 | 18 | 23 | 28 | 31 | 30 | 27 | 22 | 16 | 12 | 10 | 10 | 13 | 20 |