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Monthly climate in Hveragerdi, Iceland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hveragerdi features a ice cap climate ET). Temperatures typically range between -1 °C (31 °F) and 11 °C (53 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 24 °C (76 °F). The average annual precipitation amounts to about 1529 mm (60.2 inches) and receives 202 rainy days on the 1 mm (0.04 inches) threshold annually. Hveragerdi enjoys an average of 2241 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 Hveragerdi, Iceland

The warmest months in Hveragerdi are June, July and August, with daily mean temperatures ranging from 9 to 11 °C (49 - 53 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 0 °C (31 - 32 °F) throughout the day. On average each year, Hveragerdi experiences 0 days above 25 °C (77.0 °F) and 109 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hveragerdi. 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)		9°C
(49°F)		13°C
(56°F)		16°C
(60°F)		18°C
(65°F)		24°C
(76°F)		19°C
(66°F)		16°C
(61°F)		12°C
(54°F)		11°C
(52°F)		9°C
(49°F)
Mean maximum7°C
(45°F)		7°C
(45°F)		7°C
(46°F)		11°C
(52°F)		14°C
(57°F)		15°C
(60°F)		20°C
(69°F)		17°C
(63°F)		14°C
(58°F)		11°C
(52°F)		9°C
(48°F)		8°C
(47°F)
Average high2°C
(35°F)		2°C
(35°F)		3°C
(38°F)		6°C
(44°F)		9°C
(48°F)		12°C
(53°F)		14°C
(57°F)		13°C
(56°F)		10°C
(51°F)		7°C
(45°F)		3°C
(38°F)		2°C
(35°F)
Daily mean-1°C
(31°F)		-0°C
(32°F)		1°C
(34°F)		4°C
(39°F)		6°C
(44°F)		9°C
(49°F)		11°C
(53°F)		11°C
(52°F)		8°C
(47°F)		5°C
(41°F)		1°C
(35°F)		0°C
(32°F)
Average low-3°C
(27°F)		-3°C
(27°F)		-2°C
(29°F)		1°C
(34°F)		3°C
(38°F)		6°C
(44°F)		9°C
(48°F)		9°C
(48°F)		6°C
(43°F)		3°C
(37°F)		-0°C
(32°F)		-2°C
(29°F)
Mean minimum-11°C
(13°F)		-12°C
(11°F)		-10°C
(15°F)		-6°C
(21°F)		-1°C
(31°F)		4°C
(39°F)		6°C
(43°F)		6°C
(42°F)		1°C
(34°F)		-3°C
(28°F)		-6°C
(22°F)		-9°C
(16°F)
Minimum-14°C
(7°F)		-18°C
(-1°F)		-16°C
(4°F)		-11°C
(13°F)		-3°C
(27°F)		2°C
(36°F)		3°C
(38°F)		4°C
(40°F)		-2°C
(29°F)		-6°C
(22°F)		-9°C
(17°F)		-11°C
(12°F)

Compare climate in Hveragerdi with other places

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

Monthly average precipitation in Hveragerdi, Iceland

Hveragerdi usually has the most precipitation in February, April and September, with an average of 19 rainy days and 162 mm (6.4 inches) of precipitation per month. The driest months in Hveragerdi are June, July and August. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hveragerdi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)136 (5.4)154 (6.1)119 (4.7)145 (5.7)134 (5.3)97 (3.8)88 (3.5)99 (3.9)188 (7.4)114 (4.5)124 (4.9)131 (5.2)
Average precipitation days (≥ 1 mm)151918181815161421161517

Monthly sunshine hours in Hveragerdi, Iceland

The sunniest months in Hveragerdi are May, June and July, when the sun shines an average of 10 hours 34 minutes a day. Least sunny months in Hveragerdi: January, November and December receive an average of 1 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hveragerdi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours38881922113343283102971931427329
Mean daily daylight hours5h 33m8h 35m11h 50m15h 9m18h 27m20h 42m19h 24m16h 12m12h 55m9h 40m6h 27m4h 24m

Solar UV radiation in Hveragerdi, Iceland

Hveragerdi 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 Hveragerdi UV Index data.

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