Bucharest
Romania
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 31 | 26 | 18 | 21 | 11 | 16 | 26 | 27 | 31 | 32 | 37 | 32 | 37 |
| Average high, °C | 20 | 13 | 5 | 1 | -1 | 1 | 8 | 13 | 18 | 21 | 23 | 23 | 12 |
| Average temperature, °C | 15 | 9 | 2 | -1 | -3 | -1 | 4 | 9 | 14 | 16 | 18 | 18 | 8 |
| Average low, °C | 9 | 4 | 0 | -3 | -6 | -5 | 0 | 4 | 8 | 11 | 13 | 12 | 4 |
| Record low, °C | -2 | -7 | -17 | -18 | -25 | -21 | -16 | -7 | -2 | 2 | 6 | 5 | -25 |
| Rain, days | 8 | 8 | 10 | 8 | 5 | 6 | 11 | 13 | 13 | 13 | 11 | 8 | 114 |
| Snow, days | 0 | 0 | 4 | 11 | 11 | 8 | 3 | 1 | 0 | 0 | 0 | 0 | 38 |
| Fog, days | 17 | 21 | 23 | 25 | 25 | 21 | 17 | 11 | 9 | 10 | 10 | 13 | 202 |
| Thunderstorms, days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 9 | 11 | 11 | 9 | 46 |
| Average precipitation, mm. | 40 | 40 | 30 | 20 | 20 | 20 | 20 | 40 | 70 | 80 | 80 | 70 | 530 |
| Relative humidity, % | 77 | 79 | 83 | 88 | 86 | 79 | 74 | 73 | 77 | 82 | 74 | 75 | 79 |
| Relative humidity morning, % | 95 | 94 | 93 | 92 | 91 | 90 | 87 | 88 | 92 | 94 | 94 | 94 | 92 |
| Relative humidity evening, % | 57 | 62 | 76 | 83 | 80 | 70 | 57 | 56 | 58 | 61 | 58 | 56 | 65 |
| Wind speed, km/h | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 16 | 8 | 8 | 8 | 6 | 8 |
| Day Length, часов | 13 | 11 | 10 | 9 | 10 | 11 | 13 | 14 | 16 | 17 | 16 | 15 | 13 |
| Dew point, °C | 10 | 5 | 0 | -3 | -5 | -4 | 0 | 3 | 8 | 12 | 13 | 13 | 52 |
| Growing degree-day, °C | 142 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 121 | 200 | 258 | 258 | 979 |
| Solar radiation, global, Mj/m2 | 12 | 8 | 5 | 4 | 5 | 8 | 11 | 14 | 17 | 18 | 18 | 17 | 11 |