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Monthly climate in Olafsfjoerdur, Iceland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Olafsfjoerdur features a ice cap climate ET). Temperatures typically range between -2 °C (28 °F) and 9 °C (49 °F) through the year, but rarely can drop to -13 °C (8 °F) or can rise to as high as 20 °C (68 °F). The average annual precipitation amounts to about 1484 mm (58.4 inches) and receives 214 rainy days on the 1 mm (0.04 inches) threshold annually. Olafsfjoerdur enjoys an average of 1933 hours of sunshine throughout the year, and daylight varies from 3 hours 1 minutes to 23 hours 28 minutes per day.

Monthly average temperatures in Olafsfjoerdur, Iceland

The warmest months in Olafsfjoerdur are June, July and August, with daily mean temperatures ranging from 7 to 9 °C (44 - 49 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -2 to -2 °C (28 - 29 °F) throughout the day. On average each year, Olafsfjoerdur experiences 0 days above 25 °C (77.0 °F) and 173 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Olafsfjoerdur. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(47°F)		8°C
(48°F)		8°C
(46°F)		10°C
(50°F)		14°C
(58°F)		17°C
(64°F)		18°C
(65°F)		20°C
(68°F)		16°C
(62°F)		10°C
(51°F)		9°C
(49°F)		9°C
(48°F)
Mean maximum7°C
(45°F)		6°C
(42°F)		6°C
(43°F)		8°C
(46°F)		12°C
(54°F)		14°C
(58°F)		16°C
(61°F)		15°C
(60°F)		14°C
(58°F)		8°C
(46°F)		7°C
(45°F)		6°C
(43°F)
Average high-0°C
(32°F)		-1°C
(31°F)		-0°C
(32°F)		2°C
(36°F)		4°C
(40°F)		8°C
(47°F)		11°C
(52°F)		10°C
(51°F)		8°C
(46°F)		3°C
(38°F)		0°C
(33°F)		-0°C
(32°F)
Daily mean-2°C
(28°F)		-2°C
(28°F)		-2°C
(29°F)		0°C
(33°F)		3°C
(37°F)		7°C
(44°F)		9°C
(49°F)		9°C
(48°F)		6°C
(43°F)		2°C
(36°F)		-1°C
(30°F)		-2°C
(29°F)
Average low-4°C
(25°F)		-4°C
(25°F)		-4°C
(25°F)		-2°C
(29°F)		1°C
(33°F)		5°C
(41°F)		7°C
(45°F)		7°C
(45°F)		4°C
(39°F)		0°C
(32°F)		-3°C
(26°F)		-3°C
(26°F)
Mean minimum-10°C
(15°F)		-9°C
(16°F)		-9°C
(15°F)		-9°C
(17°F)		-4°C
(25°F)		1°C
(33°F)		4°C
(39°F)		4°C
(39°F)		-2°C
(29°F)		-6°C
(22°F)		-9°C
(17°F)		-10°C
(14°F)
Minimum-11°C
(12°F)		-12°C
(11°F)		-13°C
(9°F)		-12°C
(11°F)		-6°C
(22°F)		-2°C
(29°F)		2°C
(36°F)		1°C
(34°F)		-4°C
(25°F)		-11°C
(13°F)		-9°C
(16°F)		-13°C
(8°F)

Compare climate in Olafsfjoerdur with other places

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

Monthly average precipitation in Olafsfjoerdur, Iceland

Olafsfjoerdur usually has the most precipitation in September, October and December, with an average of 20 rainy days and 175 mm (6.9 inches) of precipitation per month. The driest months in Olafsfjoerdur are April, May and June. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Olafsfjoerdur. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)126 (5.0)122 (4.8)115 (4.5)81 (3.2)70 (2.8)95 (3.7)105 (4.1)109 (4.3)190 (7.5)171 (6.7)137 (5.4)163 (6.4)
Average precipitation days (≥ 1 mm)181818141517171621201921

Monthly sunshine hours in Olafsfjoerdur, Iceland

The sunniest months in Olafsfjoerdur are May, June and July, when the sun shines an average of 9 hours 34 minutes a day. Least sunny months in Olafsfjoerdur: January, November and December receive an average of 0 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Olafsfjoerdur. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours146617725330728329025716081364
Mean daily daylight hours4h 36m8h 12m11h 49m15h 29m19h 25m23h 28m20h 49m16h 41m13h 0m9h 25m5h 44m3h 1m

Solar UV radiation in Olafsfjoerdur, Iceland

Olafsfjoerdur 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 Olafsfjoerdur UV Index data.

Average daily maximum UV levels by month for Olafsfjoerdur. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112456543211