Bratislava
Slovakia
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 17 | 13 | 8 | 7 | 5 | 6 | 7 | 8 | 16 | 17 | 18 | 17 | 18 |
| Average high, °C | 21 | 15 | 7 | 2 | 1 | 4 | 10 | 15 | 21 | 24 | 26 | 26 | 14 |
| Average temperature, °C | 11 | 7 | 0 | -3 | -5 | -4 | 0 | 6 | 11 | 14 | 16 | 15 | 6 |
| Average low, °C | 8 | 3 | -1 | -5 | -7 | -5 | -2 | 2 | 7 | 10 | 12 | 11 | 3 |
| Record low, °C | -7 | -15 | -20 | -23 | -27 | -27 | -26 | -14 | -12 | -7 | -2 | -3 | -27 |
| Rain, days | 10 | 7 | 2 | 1 | 0 | 0 | 1 | 3 | 11 | 14 | 14 | 12 | 75 |
| Snow, days | 4 | 8 | 15 | 19 | 17 | 15 | 18 | 18 | 8 | 4 | 1 | 1 | 128 |
| Fog, days | 26 | 22 | 24 | 24 | 23 | 20 | 25 | 24 | 25 | 26 | 26 | 26 | 291 |
| Thunderstorms, days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 2 | 2 | 11 |
| Average precipitation, mm. | 83 | 58 | 60 | 53 | 45 | 45 | 51 | 74 | 112 | 141 | 134 | 116 | 972 |
| Relative humidity, % | 84 | 75 | 79 | 83 | 79 | 71 | 77 | 86 | 87 | 88 | 88 | 88 | 82 |
| Relative humidity morning, % | 87 | 81 | 86 | 87 | 85 | 84 | 87 | 90 | 90 | 91 | 90 | 88 | 87 |
| Relative humidity evening, % | 90 | 83 | 87 | 87 | 84 | 85 | 90 | 90 | 88 | 88 | 86 | 86 | 87 |
| Wind speed, km/h | 37 | 43 | 49 | 46 | 51 | 45 | 41 | 41 | 37 | 30 | 30 | 28 | 40 |
| Day Length, часов | 13 | 11 | 10 | 9 | 9 | 11 | 13 | 14 | 16 | 17 | 16 | 15 | 13 |
| Dew point, °C | 2 | -2 | -7 | -10 | -11 | -11 | -7 | -5 | 0 | 3 | 5 | 5 | -38 |
| Growing degree-day, °C | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 117 | 172 | 155 | 478 |
| Solar radiation, global, Mj/m2 | 11 | 7 | 4 | 3 | 4 | 7 | 10 | 13 | 17 | 17 | 17 | 16 | 10 |