nomadseason

Monthly climate in Rognan, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rognan features a subarctic climate (Dfc). Temperatures typically range between -8 °C (18 °F) and 13 °C (55 °F) through the year, but rarely can drop to -25 °C (-14 °F) or can rise to as high as 28 °C (82 °F). The average annual precipitation amounts to about 1451 mm (57.1 inches) and receives 206 rainy days on the 1 mm (0.04 inches) threshold annually. Rognan enjoys an average of 2905 hours of sunshine throughout the year, and daylight varies from 5 hours 18 minutes to 24 hours 0 minutes per day.

Monthly average temperatures in Rognan, Norway

The warmest months in Rognan are June, July and August, with daily mean temperatures ranging from 9 to 13 °C (49 - 55 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -6 °C (18 - 22 °F) throughout the day. On average each year, Rognan experiences 1 days above 25 °C (77.0 °F) and 189 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rognan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(42°F)		6°C
(42°F)		6°C
(43°F)		13°C
(56°F)		21°C
(71°F)		24°C
(75°F)		28°C
(82°F)		25°C
(77°F)		18°C
(65°F)		14°C
(57°F)		8°C
(46°F)		5°C
(42°F)
Mean maximum3°C
(38°F)		3°C
(38°F)		4°C
(39°F)		8°C
(47°F)		14°C
(57°F)		20°C
(69°F)		25°C
(77°F)		21°C
(71°F)		16°C
(61°F)		11°C
(53°F)		6°C
(43°F)		4°C
(40°F)
Average high-5°C
(24°F)		-5°C
(23°F)		-2°C
(29°F)		2°C
(35°F)		6°C
(43°F)		13°C
(55°F)		16°C
(61°F)		14°C
(57°F)		10°C
(50°F)		4°C
(39°F)		-1°C
(31°F)		-3°C
(26°F)
Daily mean-7°C
(19°F)		-8°C
(18°F)		-5°C
(23°F)		-1°C
(30°F)		3°C
(39°F)		9°C
(49°F)		13°C
(55°F)		11°C
(52°F)		7°C
(45°F)		2°C
(35°F)		-3°C
(27°F)		-6°C
(22°F)
Average low-10°C
(14°F)		-11°C
(13°F)		-8°C
(18°F)		-5°C
(23°F)		0°C
(33°F)		6°C
(43°F)		9°C
(48°F)		8°C
(46°F)		4°C
(40°F)		-0°C
(32°F)		-5°C
(23°F)		-8°C
(18°F)
Mean minimum-21°C
(-5°F)		-20°C
(-3°F)		-20°C
(-3°F)		-14°C
(7°F)		-6°C
(21°F)		-0°C
(32°F)		3°C
(38°F)		3°C
(37°F)		-2°C
(28°F)		-9°C
(17°F)		-17°C
(2°F)		-17°C
(1°F)
Minimum-25°C
(-13°F)		-25°C
(-13°F)		-24°C
(-11°F)		-18°C
(0°F)		-9°C
(17°F)		-3°C
(26°F)		2°C
(35°F)		1°C
(35°F)		-5°C
(23°F)		-10°C
(14°F)		-25°C
(-12°F)		-25°C
(-14°F)

Compare climate in Rognan with other places

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

Monthly average precipitation in Rognan, Norway

Rognan usually has the most precipitation in March, August and September, with an average of 19 rainy days and 148 mm (5.8 inches) of precipitation per month. The driest months in Rognan are May, November and December. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rognan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)136 (5.4)112 (4.4)165 (6.5)108 (4.3)82 (3.2)123 (4.8)132 (5.2)142 (5.6)136 (5.4)115 (4.5)103 (4.1)96 (3.8)
Average precipitation days (≥ 1 mm)141519181616162117201915

Monthly sunshine hours in Rognan, Norway

The sunniest months in Rognan are May, June and July, when the sun shines an average of 14 hours 55 minutes a day. Least sunny months in Rognan: January, November and December receive an average of 0 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rognan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours22115234330439459474372273149322
Mean daily daylight hours7h 27m7h 58m11h 47m15h 40m20h 6m24h 0m21h 55m16h 58m13h 4m9h 17m5h 18m19h 3m

Solar UV radiation in Rognan, Norway

Rognan 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 October 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 Rognan UV Index data.

Average daily maximum UV levels by month for Rognan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112456643111