Common information

Country
Finland
Population
9 962

Weather, climate, temperature by months in Hanko

Season Autumn Winter Spring Summer
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Year
Record high, °C 23 15 10 7 10 10 10 12 27 25 28 32 32
Average high, °C 13 8 4 1 -1 -2 0 3 10 15 18 17 7
Average temperature, °C 11 7 3 0 -2 -3 -1 2 7 13 16 16 6
Average low, °C 10 5 1 -2 -4 -5 -2 0 5 11 14 13 4
Record low, °C 1 -5 -11 -27 -33 -26 -20 -6 -2 0 8 6 -33
Rain, days 15 15 17 12 8 6 7 10 10 10 12 13 135
Snow, days 0 1 6 13 15 13 12 5 0 0 0 0 65
Fog, days 10 10 10 10 15 17 20 16 13 14 14 11 160
Thunderstorms, days 1 0 0 0 0 0 0 0 1 1 1 1 5
Average precipitation, mm. 66 73 78 64 51 37 37 33 34 43 59 61 636
Relative humidity, % 81 82 84 84 85 85 83 81 78 80 81 81 82
Relative humidity morning, % 89 87 88 87 87 89 90 89 87 87 90 90 88
Relative humidity evening, % 80 83 86 86 87 86 85 79 74 75 77 78 81
Wind speed, km/h 19 20 32 25 22 27 20 22 20 19 14 16 21
Monthly sunshine, часов 166 96 36 19 28 59 119 191 293 298 303 251 1860
Day Length, часов 14 11 8 7 8 10 13 15 18 20 19 16 13
Dew point, °C 8 4 1 -2 -4 -5 -3 0 4 9 13 12 37
Growing degree-day, °C 50 0 0 0 0 0 0 0 0 100 198 181 529
Atmosphere pressure, bar 1012 1012 1010 1009 1011 1013 1013 1012 1015 1012 1011 1012 12141
Solar radiation, global, Mj/m2 10 4 2 1 1 4 9 14 20 20 19 15 10

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