Weather in Iceland: Annual Average
Temperature, Precipitation, Sunshine and Humidity

The tables below list the normal annual temperatures and total precipitation for places in Iceland. There's also information on the yearly averages for sun, fog and humidity.

All the climate measures are averages of data collected at weather stations from 1991 to 2020, except for humidity which covers 1961 to 1990.

The weather information takes in all the coasts of Iceland and a few places in between. Capital city Reykjavík is in southwest Iceland. Also on the west coast, Stykkisholmur lies north of Reykjavík, while Keflavik is to the west.

Along Iceland's north coast is the town of Akureyri and farther north the Saudanesviti lighthouse. Dalatangi sits on the outer edge of Iceland's east coast. In the highlands between those two places is Grimsstadir.

Southern Iceland is where you'll find Reynisfjara Beach as well as Reykholt, an inland farming area near Thingvellir National Park.

Temperature

Average annual temperatures
High °F Low °F Place High °C Low °C
46 35 Akureyri 8 1
44 36 Dalatangi 7 2
41 28 Grimsstadir 5 -2
46 37 Keflavik 8 3
46 33 Reykholt 8 1
47 37 Reykjavik 8 3
47 38 Reynisfjara Beach 8 3
44 36 Saudanesviti 7 2
45 36 Stykkisholmur 7 2

Precipitation

The number of days only includes the days when precipitation totalled at least one millimetre (0.04 inches).

Average total rainfall plus snowfall in a year
Days Place Inches Milli­metres
109 Akureyri 22.6 574
161 Dalatangi 65.2 1656
100 Grimsstadir 15.4 390
169 Keflavik 43.5 1104
161 Reykholt 52.6 1336
155 Reykjavik 34.5 876
190 Reynisfjara Beach 68.1 1731
143 Saudanesviti 34.8 885
135 Stykkisholmur 29.1 738

Sunshine and Fog

Annual average hours of sun and proportion of sky without clouds
Hours Sun PlaceDays Fog
1051 Akureyri 7
Dalatangi 51
Grimsstadir 41
Keflavik 30
Reykholt 9
1368 Reykjavik 13
Reynisfjara Beach 16
Saudanesviti 28
Stykkisholmur 5

Humidity

Average relative humidity (%)
Place Humidity
Akureyri 80
Dalatangi 80
Kirkjubaejar­klaustur 78
Raufarhöfn 83
Reykjavík 79
Stykkishólmur 80
Vestmannaeyjar 82
References

NOAA National Centers for Environmental Information. WMO Climate Normals. Station Data Files. Index of /archive/arc0216/0253808/1.1/data/0-data/Region-6-WMO-Normals-9120/Iceland/CSV.

World Data Center for Meteorology. Climate of the World.

Iceland
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