Iceland Climatic Classifications

CodeDescriptionGroupNumber of states/regionsStates/regions
EtTundraPolar6 Eastern Region Northeastern Region Northwestern Region Southern Region Western Region Westfjords
CfcMarine west coast, cool summerTemperate2 Greater Reykjavik Southern Peninsula

Summary: Most regions (6) in Iceland lie in the Tundra climate zone (Köppen: Et). The mean average of annual temperatures range from a high of 6.41°C (43.54°F) in Southern Peninsula to a low of -0.76°C (30.63°F) in Northwestern Region.

Climate Iceland: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)4.22(39.6)3.97(39.15)3.99(39.18)5.43(41.77)8.17(46.71)11.65(52.97)13.37(56.07)12.69(54.84)10.09(50.16)7.5(45.5)5.44(41.79)3.91(39.04)13.37(56.07)
Average high °C (°F)0.02(32.04)0.23(32.41)0.57(33.03)2.69(36.84)5.75(42.35)9.44(48.99)10.9(51.62)10.39(50.7)7.84(46.11)4.3(39.74)1.23(34.21)-0.57(30.97)4.4(39.92)
Daily mean °C (°F)-1.2(29.84)-1.05(30.11)-0.72(30.7)1.37(34.47)4.5(40.1)8.17(46.71)9.66(49.39)9.1(48.38)6.65(43.97)3.24(37.83)0.2(32.36)-1.83(28.71)3.17(37.71)
Average low °C (°F)-3.59(25.54)-3.46(25.77)-3.18(26.28)-1.43(29.43)1.67(35.01)5.5(41.9)7.15(44.87)6.67(44.01)4.51(40.12)1.32(34.38)-1.93(28.53)-4.34(24.19)0.74(33.33)
Record low °C (°F)-9.09(15.64)-9.1(15.62)-8.89(16.0)-6.88(19.62)-2.91(26.76)1.92(35.46)3.82(38.88)2.8(37.04)-0.16(31.71)-3.73(25.29)-7.78(18.0)-10.38(13.32)-10.38(13.32)
Average precipitation mm (inches)89.69(3.53)80.94(3.19)70.56(2.78)62.8(2.47)45.28(1.78)32.45(1.28)46.55(1.83)55.64(2.19)89.85(3.54)74.13(2.92)64.75(2.55)88.3(3.48)66.74(2.63)
Average precipitation days (≥ 1.0 mm)14.7913.4814.1312.1910.417.79.689.7213.2212.3511.8512.8711.87
Average relative humidity (%)83.4383.4282.3581.6379.8179.3881.7281.9683.3383.3682.4282.2282.09
Mean monthly sunshine hours2.944.837.9111.8415.627.9813.8314.068.816.523.332.268.33

Iceland Climate Graph

Iceland

Iceland’s Cities by Temperature

Iceland’s states/regions ranking by average yearly temperature:

Southern Peninsula
6.41°C | 43.54°F
Greater Reykjavik
5.0°C | 41.0°F
Eastern Region
4.51°C | 40.12°F
Western Region
4.12°C | 39.42°F
Southern Region
3.61°C | 38.5°F
Westfjords
2.03°C | 35.65°F
Northeastern Region
0.47°C | 32.85°F
Northwestern Region
-0.76°C | 30.63°F

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