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Monthly climate in Reykjanesbaer, Iceland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Reykjanesbaer features a subpolar climate (Cfc). Temperatures typically range between 2 °C (36 °F) and 11 °C (52 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 19 °C (66 °F). The average annual precipitation amounts to about 1383 mm (54.5 inches) and receives 209 rainy days on the 1 mm (0.04 inches) threshold annually. Reykjanesbaer enjoys an average of 2288 hours of sunshine throughout the year, and daylight varies from 4 hours 24 minutes to 20 hours 42 minutes per day.

Monthly average temperatures in Reykjanesbaer, Iceland

The warmest months in Reykjanesbaer are June, July and August, with daily mean temperatures ranging from 9 to 11 °C (48 - 52 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 2 to 2 °C (36 - 37 °F) throughout the day. On average each year, Reykjanesbaer experiences 0 days above 25 °C (77.0 °F) and 58 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Reykjanesbaer. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(49°F)		8°C
(47°F)		8°C
(47°F)		11°C
(52°F)		12°C
(54°F)		15°C
(60°F)		19°C
(66°F)		16°C
(62°F)		13°C
(56°F)		12°C
(53°F)		10°C
(51°F)		9°C
(49°F)
Mean maximum8°C
(47°F)		8°C
(46°F)		8°C
(46°F)		9°C
(49°F)		11°C
(52°F)		12°C
(55°F)		16°C
(62°F)		15°C
(59°F)		13°C
(55°F)		11°C
(51°F)		9°C
(49°F)		9°C
(48°F)
Average high4°C
(39°F)		3°C
(38°F)		4°C
(39°F)		6°C
(43°F)		8°C
(47°F)		10°C
(51°F)		12°C
(54°F)		12°C
(54°F)		10°C
(50°F)		7°C
(46°F)		5°C
(41°F)		4°C
(39°F)
Daily mean2°C
(36°F)		2°C
(36°F)		2°C
(37°F)		5°C
(41°F)		7°C
(44°F)		9°C
(48°F)		11°C
(52°F)		11°C
(52°F)		9°C
(48°F)		6°C
(44°F)		4°C
(39°F)		2°C
(37°F)
Average low0°C
(33°F)		0°C
(33°F)		1°C
(34°F)		3°C
(38°F)		5°C
(41°F)		7°C
(46°F)		10°C
(49°F)		10°C
(50°F)		8°C
(46°F)		5°C
(41°F)		2°C
(36°F)		1°C
(34°F)
Mean minimum-4°C
(24°F)		-5°C
(24°F)		-3°C
(26°F)		-3°C
(26°F)		1°C
(34°F)		5°C
(41°F)		7°C
(45°F)		8°C
(46°F)		4°C
(39°F)		1°C
(34°F)		-1°C
(30°F)		-4°C
(24°F)
Minimum-6°C
(22°F)		-9°C
(16°F)		-6°C
(21°F)		-7°C
(20°F)		0°C
(33°F)		4°C
(39°F)		6°C
(43°F)		7°C
(45°F)		1°C
(34°F)		-1°C
(30°F)		-4°C
(25°F)		-6°C
(21°F)

Compare climate in Reykjanesbaer with other places

Compare temperature, precipitation, sunshine, UV index in Reykjanesbaer, Iceland with other places around the world.

Monthly average precipitation in Reykjanesbaer, Iceland

Reykjanesbaer usually has the most precipitation in February, April and September, with an average of 19 rainy days and 143 mm (5.6 inches) of precipitation per month. The driest months in Reykjanesbaer are June, July and August. On average, 85 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Reykjanesbaer. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)117 (4.6)126 (5.0)110 (4.3)133 (5.2)115 (4.5)87 (3.4)78 (3.1)89 (3.5)171 (6.7)119 (4.7)119 (4.7)119 (4.7)
Average precipitation days (≥ 1 mm)171918181615181321181818

Monthly sunshine hours in Reykjanesbaer, Iceland

The sunniest months in Reykjanesbaer are May, June and July, when the sun shines an average of 10 hours 48 minutes a day. Least sunny months in Reykjanesbaer: January, November and December receive an average of 1 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Reykjanesbaer. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours41901952133443373112932061457928
Mean daily daylight hours5h 34m8h 35m11h 50m15h 8m18h 26m20h 42m19h 24m16h 11m12h 55m9h 40m6h 28m4h 24m

Solar UV radiation in Reykjanesbaer, Iceland

Reykjanesbaer experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 5 - 6, which corresponds to the Moderate / High category of sun exposure. January, February and November are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Reykjanesbaer UV Index data.

Average daily maximum UV levels by month for Reykjanesbaer. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112356643211