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Monthly climate in Hella, Iceland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hella features a subpolar climate (Cfc). Temperatures typically range between 2 °C (35 °F) and 12 °C (54 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 23 °C (74 °F). The average annual precipitation amounts to about 1592 mm (62.7 inches) and receives 205 rainy days on the 1 mm (0.04 inches) threshold annually. Hella enjoys an average of 2190 hours of sunshine throughout the year, and daylight varies from 4 hours 29 minutes to 20 hours 35 minutes per day.

Monthly average temperatures in Hella, Iceland

The warmest months in Hella are June, July and August, with daily mean temperatures ranging from 10 to 12 °C (51 - 54 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 2 °C (35 - 36 °F) throughout the day. On average each year, Hella experiences 0 days above 25 °C (77.0 °F) and 80 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hella. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(51°F)		10°C
(51°F)		10°C
(51°F)		14°C
(57°F)		16°C
(61°F)		20°C
(68°F)		23°C
(74°F)		18°C
(66°F)		16°C
(62°F)		14°C
(57°F)		12°C
(54°F)		11°C
(52°F)
Mean maximum9°C
(48°F)		9°C
(48°F)		9°C
(49°F)		12°C
(54°F)		14°C
(58°F)		16°C
(62°F)		21°C
(69°F)		18°C
(64°F)		15°C
(60°F)		12°C
(55°F)		10°C
(50°F)		10°C
(49°F)
Average high4°C
(39°F)		4°C
(39°F)		5°C
(41°F)		8°C
(46°F)		10°C
(50°F)		13°C
(55°F)		15°C
(58°F)		14°C
(58°F)		11°C
(53°F)		8°C
(47°F)		4°C
(40°F)		4°C
(39°F)
Daily mean2°C
(35°F)		2°C
(36°F)		3°C
(37°F)		5°C
(42°F)		7°C
(46°F)		10°C
(51°F)		12°C
(54°F)		12°C
(54°F)		9°C
(49°F)		6°C
(43°F)		3°C
(37°F)		2°C
(36°F)
Average low-1°C
(31°F)		-0°C
(32°F)		0°C
(32°F)		3°C
(37°F)		5°C
(41°F)		7°C
(46°F)		10°C
(50°F)		9°C
(49°F)		7°C
(45°F)		4°C
(39°F)		1°C
(34°F)		0°C
(33°F)
Mean minimum-7°C
(20°F)		-8°C
(18°F)		-6°C
(21°F)		-5°C
(24°F)		-0°C
(32°F)		5°C
(41°F)		7°C
(44°F)		6°C
(43°F)		1°C
(34°F)		-2°C
(28°F)		-5°C
(23°F)		-6°C
(21°F)
Minimum-12°C
(11°F)		-14°C
(7°F)		-13°C
(9°F)		-11°C
(13°F)		-2°C
(29°F)		4°C
(39°F)		4°C
(40°F)		4°C
(40°F)		-1°C
(31°F)		-5°C
(23°F)		-9°C
(16°F)		-8°C
(18°F)

Compare climate in Hella with other places

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

Monthly average precipitation in Hella, Iceland

Hella usually has the most precipitation in February, September and December, with an average of 19 rainy days and 170 mm (6.7 inches) of precipitation per month. The driest months in Hella are June, July and August. On average, 95 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hella. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)147 (5.8)169 (6.6)133 (5.2)133 (5.3)127 (5.0)95 (3.8)91 (3.6)98 (3.8)196 (7.7)118 (4.6)140 (5.5)147 (5.8)
Average precipitation days (≥ 1 mm)151919181916151522161516

Monthly sunshine hours in Hella, Iceland

The sunniest months in Hella are May, June and July, when the sun shines an average of 10 hours 0 minutes a day. Least sunny months in Hella: January, November and December receive an average of 1 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hella. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours43901822053033242932911981428135
Mean daily daylight hours5h 37m8h 36m11h 50m15h 7m18h 23m20h 35m19h 19m16h 10m12h 54m9h 41m6h 31m4h 29m

Solar UV radiation in Hella, Iceland

Hella 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 Hella UV Index data.

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