Jersey - General information
Capital Saint Helier
Population 90,812
Coordinates of Jersey
Time Zone Europe/Jersey
GMT 0
DST +1
Latitude 49.216670000
Longitude -2.116670000

List of largest cities in Jersey

 
Saint Helier Saint Helier
Saint Helier St Helier
28,000

Weather, climate, temperature by months in Jersey

Season Autumn Winter Spring Summer
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Year
Record high °C 27 22 21 16 13 17 18 25 27 31 32 34 34
Average high °C 19 15 12 9 8 8 10 13 16 18 20 21 14
Average temperature °C 16 13 10 7 6 6 8 10 13 15 17 18 11
Average low °C 13 11 8 5 4 4 5 7 9 12 14 14 9
Record low °C 7 2 -1 -3 -8 -8 -3 -1 1 6 10 8 -8
Rain Days 9 14 15 15 15 12 12 10 9 8 7 7 132
Snow Days 0 0 0 1 2 3 1 1 0 0 0 0 8
Fog Days 10 8 8 11 11 12 13 10 12 14 15 14 138
Thunderstorms Days 2 1 1 1 1 0 0 0 1 1 2 1 11
Average precipitation Mm. 10 10 10 10 10 10 10 10 10 10 10 10 120
Relative humidity % 80 85 85 85 90 85 85 85 80 85 85 85 85
Relative humidity morning % 89 88 87 89 88 89 90 88 89 90 90 91 89
Relative humidity evening % 74 78 81 84 84 81 79 73 72 72 73 71 77
Wind speed Km/h 20 23 24 24 25 23 22 21 19 18 19 18 21
Monthly sunshine Hours 177 112 78 70 66 86 127 171 194 216 194 194 1684
Day Length Hours 13 11 10 9 9 11 13 14 16 17 16 15 13
Dew point °C 12 9 6 5 3 3 5 5 8 11 13 13 93
Growing degree-day °C 158 78 0 0 0 0 0 0 52 133 198 215 834
Solar radiation, global Mj/m2 13 7 4 3 3 6 10 16 20 22 21 18 12
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