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Climate in Iceland

Because of the warm Gulf Stream, the climate in Iceland is warmer than in other regions of these latitudes. The winters are relatively mild and the summers rather cool. In recent decades, a slight increase in average temperatures can be reported due to global warming, which is noticeable by the withdrawal of some glacier tongues. The warmest temperatures are from mid June to late August. The lowest month-average temperatures is measured in January. The lowest rain fall in Iceland is recorded in the early summer months, although there are significant local differences.

The following tables show the average temperatures, rain fall and sunshine durations in some towns of Iceland. The last table shows the average temperatures in the ocean around Iceland.

Temperature °C

Average temperature per month in °C.

Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Year
Reykjavik 0.4 1.1 1.5 4.1 7.8 10.6 12.4 11.8 8.7 5.5 2.0 0.6 5.5
Akureyri -3.5 -2.8 -2.7 0.4 4.3 8.1 9.8 9.2 5.6 2.0 -1.7 -3.1 2.1
Egilsstaðir 0.5 0.6 0.6 2.4 4.9 8.1 9.9 9.8 7.5 5.0 2.0 2.0 4.3
Vestmannaeyjar -0.2 0.3 0.4 2.6 5.8 8.4 10.1 9.8 7.1 4.2 0.8 -0.1 4.1

Average number of days with ground frost per month:

Jan. Feb. Mar Apr. May June July Aug. Sept. Oct. Nov. Dec. Year
Reykjavik 23 20 21 16 9 4 3 3 6 12 20 24 161
Akureyri 28 26 27 22 13 5 4 4 10 18 25 29 211
Egilsstaðir 23 21 23 18 11 5 3 3 6 11 20 23 167
Vestmannaeyjar 21 17 19 13 6 3 2 2 4 9 17 20 133


Rain fall

Average precipitation in millimeter.

Jan. Feb. Mar Apr. May June July Aug. Sept. Oct. Nov. Dec. Year
Reykjavik 94 93 94 71 56 66 66 80 83 110 94 96 1072
Akureyri 71 58 64 50 40 51 60 67 70 82 71 72 756
Egilsstaðir 94 65 76 48 47 50 60 57 95 105 80 82 859
Vestmannaeyjar 116 107 108 91 78 86 85 109 107 130 117 113 1247

Average number of days with rainfall per month:

Jan. Feb. Mar Apr. May June July Aug. Sept. Oct. Nov. Dec. Year
Reykjavik 18 17 19 18 15 17 17 17 18 19 17 19 211
Akureyri 16 14 17 14 12 13 15 15 15 17 16 18 182
Egilsstaðir 16 13 16 12 11 12 13 14 16 17 15 16 171
Vestmannaeyjar 18 17 18 17 16 17 18 18 18 19 17 19 212


Sunshine duration

Average numer of sunshine per day (in hours):

Jan. Feb. Mar Apr. May June July Aug. Sept. Oct. Nov. Dec. Year
Reykjavik 0.9 2.0 3.6 4.5 5.9 6.1 5.8 5.4 3.9 2.4 1.2 0.3 3.4
Akureyri 0.2 1.2 2.5 4.3 5.6 5.9 5.2 4.4 2.9 1.7 0.5 0.1 2.9
Egilsstaðir 0.4 1.4 3.0 4.0 5.1 5.9 5.0 3.0 2.9 1.8 0.5 0.0 2.8


Water temperatures (Ocean)

Average water temperature in the sea:

Jan. Feb. Mar Apr. May June July Aug. Sept. Oct. Nov. Dec. Year
° C 4 4 4 6 8 9 10 11 10 8 6 4 7


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