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Monthly climate in Sandgerdi, Iceland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sandgerdi features a ice cap climate ET). Temperatures typically range between 2 °C (36 °F) and 11 °C (52 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 16 °C (61 °F). The average annual precipitation amounts to about 1406 mm (55.4 inches) and receives 204 rainy days on the 1 mm (0.04 inches) threshold annually. Sandgerdi enjoys an average of 2288 hours of sunshine throughout the year, and daylight varies from 4 hours 21 minutes to 20 hours 46 minutes per day.

Monthly average temperatures in Sandgerdi, Iceland

The warmest months in Sandgerdi are July, August and September, with daily mean temperatures ranging from 9 to 11 °C (49 - 52 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 2 to 3 °C (36 - 37 °F) throughout the day. On average each year, Sandgerdi experiences 0 days above 25 °C (77.0 °F) and 41 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sandgerdi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(48°F)		8°C
(47°F)		8°C
(46°F)		10°C
(49°F)		12°C
(53°F)		14°C
(58°F)		16°C
(61°F)		15°C
(60°F)		13°C
(55°F)		11°C
(52°F)		10°C
(50°F)		9°C
(49°F)
Mean maximum8°C
(46°F)		8°C
(46°F)		7°C
(45°F)		9°C
(48°F)		10°C
(51°F)		11°C
(53°F)		14°C
(58°F)		14°C
(57°F)		12°C
(54°F)		10°C
(51°F)		9°C
(49°F)		9°C
(48°F)
Average high4°C
(39°F)		4°C
(39°F)		4°C
(39°F)		6°C
(43°F)		8°C
(46°F)		9°C
(49°F)		11°C
(53°F)		12°C
(53°F)		10°C
(50°F)		8°C
(46°F)		5°C
(42°F)		4°C
(40°F)
Daily mean2°C
(36°F)		2°C
(36°F)		3°C
(37°F)		5°C
(41°F)		6°C
(44°F)		9°C
(48°F)		10°C
(51°F)		11°C
(52°F)		9°C
(49°F)		7°C
(44°F)		4°C
(40°F)		3°C
(38°F)
Average low1°C
(34°F)		1°C
(34°F)		2°C
(35°F)		3°C
(38°F)		5°C
(42°F)		8°C
(46°F)		10°C
(50°F)		10°C
(50°F)		8°C
(47°F)		6°C
(42°F)		3°C
(38°F)		2°C
(36°F)
Mean minimum-4°C
(26°F)		-3°C
(27°F)		-2°C
(28°F)		-3°C
(28°F)		2°C
(35°F)		5°C
(42°F)		8°C
(46°F)		8°C
(47°F)		5°C
(41°F)		2°C
(36°F)		-0°C
(32°F)		-3°C
(26°F)
Minimum-5°C
(24°F)		-6°C
(21°F)		-5°C
(23°F)		-5°C
(22°F)		1°C
(34°F)		4°C
(40°F)		7°C
(45°F)		7°C
(45°F)		3°C
(37°F)		-0°C
(32°F)		-1°C
(30°F)		-5°C
(23°F)

Compare climate in Sandgerdi with other places

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

Monthly average precipitation in Sandgerdi, Iceland

Sandgerdi usually has the most precipitation in April, September and November, with an average of 19 rainy days and 145 mm (5.7 inches) of precipitation per month. The driest months in Sandgerdi are June, July and August. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sandgerdi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)120 (4.7)125 (4.9)116 (4.6)131 (5.2)111 (4.4)81 (3.2)77 (3.0)91 (3.6)178 (7.0)125 (4.9)126 (5.0)124 (4.9)
Average precipitation days (≥ 1 mm)181918171513151221181919

Monthly sunshine hours in Sandgerdi, Iceland

The sunniest months in Sandgerdi are May, June and July, when the sun shines an average of 10 hours 49 minutes a day. Least sunny months in Sandgerdi: January, November and December receive an average of 1 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sandgerdi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours41911942153453383112922071437827
Mean daily daylight hours5h 32m8h 34m11h 50m15h 9m18h 28m20h 46m19h 26m16h 12m12h 55m9h 39m6h 26m4h 21m

Solar UV radiation in Sandgerdi, Iceland

Sandgerdi 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 Sandgerdi UV Index data.

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