Common information

Country
Finland
Population
21,712

Weather, climate, temperature by months in Hamina

Season Autumn Winter Spring Summer
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Year
Record high, °C 23 16 10 7 3 6 7 16 25 27 28 27 28
Average high, °C 13 8 2 -1 -3 -4 -1 5 12 17 20 18 7
Average temperature, °C 10 6 1 -2 -5 -6 -5 1 8 13 16 15 4
Average low, °C 8 4 0 -4 -7 -9 -9 -2 5 10 13 12 2
Record low, °C 0 -6 -15 -23 -32 -32 -25 0 -3 1 7 6 -32
Rain, days 5 7 6 4 5 4 3 3 3 4 6 6 56
Snow, days 6 6 6 4 5 5 6 5 2 3 4 7 59
Fog, days 6 6 6 4 5 5 6 5 2 3 4 7 59
Thunderstorms, days 1 0 0 0 0 0 0 0 2 3 5 3 14
Average precipitation, mm. 50 50 50 30 40 30 20 30 20 30 60 60 470
Relative humidity, % 87 90 90 91 90 88 84 84 79 79 83 84 86
Relative humidity morning, % 92 90 90 88 86 87 88 86 81 82 87 91 87
Relative humidity evening, % 71 78 87 87 85 81 75 65 54 60 62 67 73
Wind speed, km/h 12 13 14 14 13 12 12 11 12 12 11 11 12
Monthly sunshine, часов 139 85 25 9 19 65 121 191 303 304 309 227 1795
Day Length, часов 14 11 8 7 8 10 13 16 19 21 19 16 13
Dew point, °C 8 5 0 -4 -7 -8 -7 0 5 10 13 12 27
Growing degree-day, °C 42 0 0 0 0 0 0 0 0 117 224 181 563
Atmosphere pressure, bar 1011 1013 1012 985 1012 1015 1014 1014 1016 1012 1011 1012 12125
Solar radiation, global, Mj/m2 10 5 2 1 1 4 9 15 20 21 20 16 10

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