Common information

CountryBulgaria
Population96 368

Weather, climate, temperature by months in Sliven

Season Autumn Winter Spring Summer
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Year
Record high, °C 35 28 22 18 16 20 27 27 32 35 38 37 38
Average high, °C 25 19 12 7 4 6 10 16 21 26 28 28 17
Average temperature, °C 19 14 8 4 1 2 5 11 16 20 22 22 12
Average low, °C 13 9 5 1 -2 -1 1 6 11 15 17 17 8
Record low, °C 5 0 -10 -13 -15 -17 -8 -2 2 7 8 10 -17
Rain, days 2 4 6 5 4 4 3 6 6 5 4 2 51
Snow, days 2 5 6 6 4 6 3 1 2 0 1 1 37
Fog, days 2 5 6 6 4 6 3 1 2 0 1 1 37
Thunderstorms, days 1 0 0 0 0 0 0 1 3 5 4 2 16
Average precipitation, mm. 30 60 60 60 40 40 30 60 70 60 50 20 580
Relative humidity, % 60 69 79 79 77 74 69 66 66 63 57 55 68
Relative humidity morning, % 87 87 86 85 85 86 87 84 85 86 85 85 86
Relative humidity evening, % 49 60 74 77 76 71 62 53 54 54 49 47 61
Wind speed, km/h 19 17 17 20 20 19 17 19 17 19 19 19 19
Day Length, часов 13 12 10 10 10 11 12 14 15 16 16 14 13
Dew point, °C 9 7 5 0 -3 -2 0 4 8 12 13 12 65
Growing degree-day, °C 275 138 0 0 0 0 0 42 198 317 405 405 1779
Solar radiation, global, Mj/m2 15 10 6 5 6 9 12 16 20 22 22 20 13

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