Common information

Weather, climate, temperature by months in Longyearbyen

Season Autumn Winter Spring Summer
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Year
Record high, °C 13 7 7 6 3 3 7 5 6 13 18 18 18
Average high, °C 2 -3 -7 -11 -12 -12 -11 -8 -1 3 7 6 -4
Average temperature, °C 0 -5 -10 -13 -14 -15 -13 -11 -3 2 6 4 -6
Average low, °C -1 -7 -12 -16 0 -18 -17 -14 -5 1 4 3 -7
Record low, °C -11 -20 -32 -35 -37 -42 -45 -37 -22 -8 -1 -3 -45
Rain, days 12 3 3 2 1 2 2 2 4 12 18 19 80
Snow, days 13 20 21 21 21 19 19 18 18 10 1 3 184
Fog, days 4 1 1 1 3 3 2 2 3 6 9 6 41
Thunderstorms, days 1 9 13 14 15 13 13 10 4 0 0 0 92
Average precipitation, mm. 20 12 17 17 15 19 20 11 7 10 13 25 186
Relative humidity, % 81 78 76 77 77 77 77 76 79 79 81 82 78
Relative humidity morning, % 77 73 72 72 73 76 75 74 75 74 78 78 75
Relative humidity evening, % 73 73 73 72 73 75 74 71 71 72 72 72 73
Wind speed, km/h 16 17 20 19 20 19 17 19 16 14 16 14 17
Monthly sunshine, часов 71 29 0 0 0 17 99 167 194 202 207 131 1116
Day Length, часов 18 5 0 0 0 0 14 22 24 24 24 23 13
Dew point, °C -3 -10 -13 -17 -18 -18 0 -15 -7 -2 1 1 -101
Atmosphere pressure, bar 1000 1000 998 955 997 998 1000 1005 1008 1004 1003 1004 11970
Solar radiation, global, Mj/m2 4 1 0 0 0 0 2 6 14 18 16 11 6

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