nomadseason

Monthly climate in Groa, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Groa features a ice cap climate ET). Temperatures typically range between -4 °C (25 °F) and 13 °C (55 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1654 mm (65.1 inches) and receives 202 rainy days on the 1 mm (0.04 inches) threshold annually. Groa enjoys an average of 3125 hours of sunshine throughout the year, and daylight varies from 5 hours 2 minutes to 19 hours 51 minutes per day.

Monthly average temperatures in Groa, Norway

The warmest months in Groa are June, July and August, with daily mean temperatures ranging from 11 to 13 °C (52 - 55 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -4 °C (25 - 25 °F) throughout the day. On average each year, Groa experiences 2 days above 25 °C (77.0 °F) and 176 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Groa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(48°F)		7°C
(45°F)		9°C
(48°F)		16°C
(61°F)		25°C
(78°F)		27°C
(81°F)		29°C
(84°F)		24°C
(76°F)		20°C
(68°F)		18°C
(64°F)		10°C
(50°F)		6°C
(43°F)
Mean maximum5°C
(41°F)		4°C
(40°F)		7°C
(44°F)		12°C
(55°F)		19°C
(67°F)		21°C
(71°F)		25°C
(77°F)		22°C
(72°F)		17°C
(64°F)		14°C
(57°F)		7°C
(44°F)		5°C
(42°F)
Average high-2°C
(29°F)		-2°C
(29°F)		1°C
(34°F)		4°C
(39°F)		9°C
(48°F)		15°C
(59°F)		17°C
(62°F)		15°C
(59°F)		11°C
(53°F)		5°C
(42°F)		0°C
(32°F)		-2°C
(29°F)
Daily mean-4°C
(25°F)		-4°C
(25°F)		-2°C
(28°F)		1°C
(33°F)		5°C
(42°F)		11°C
(52°F)		13°C
(55°F)		11°C
(53°F)		8°C
(47°F)		3°C
(37°F)		-2°C
(28°F)		-4°C
(25°F)
Average low-6°C
(21°F)		-7°C
(21°F)		-5°C
(23°F)		-3°C
(27°F)		1°C
(35°F)		7°C
(45°F)		8°C
(47°F)		8°C
(46°F)		5°C
(41°F)		-0°C
(32°F)		-5°C
(24°F)		-6°C
(21°F)
Mean minimum-14°C
(8°F)		-15°C
(6°F)		-13°C
(8°F)		-10°C
(13°F)		-7°C
(20°F)		1°C
(34°F)		2°C
(35°F)		1°C
(35°F)		-1°C
(31°F)		-10°C
(15°F)		-17°C
(2°F)		-15°C
(6°F)
Minimum-19°C
(-1°F)		-21°C
(-6°F)		-21°C
(-5°F)		-15°C
(4°F)		-9°C
(16°F)		-2°C
(29°F)		-0°C
(32°F)		0°C
(33°F)		-2°C
(28°F)		-16°C
(3°F)		-22°C
(-7°F)		-19°C
(-2°F)

Compare climate in Groa with other places

Compare temperature, precipitation, sunshine, UV index in Groa, Norway with other places around the world.

Monthly average precipitation in Groa, Norway

Groa usually has the most precipitation in August, October and December, with an average of 18 rainy days and 167 mm (6.6 inches) of precipitation per month. The driest months in Groa are February, May and November. On average, 106 mm (4.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Groa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)137 (5.4)99 (3.9)140 (5.5)140 (5.5)100 (3.9)128 (5.0)145 (5.7)171 (6.7)148 (5.8)179 (7.0)118 (4.6)150 (5.9)
Average precipitation days (≥ 1 mm)151418161617181919211316

Monthly sunshine hours in Groa, Norway

The sunniest months in Groa are May, June and July, when the sun shines an average of 14 hours 7 minutes a day. Least sunny months in Groa: January, November and December receive an average of 2 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Groa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours6216825532742142445436227420312150
Mean daily daylight hours6h 2m8h 47m11h 50m14h 57m17h 57m19h 51m18h 48m15h 56m12h 52m9h 49m6h 51m5h 2m

Solar UV radiation in Groa, Norway

Groa experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 6 - 7, which corresponds to the 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 Groa UV Index data.

Average daily maximum UV levels by month for Groa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)113566754211