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Monthly climate in Oystese, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Oystese features a subarctic climate (Dfc). Temperatures typically range between -3 °C (27 °F) and 14 °C (57 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 28 °C (83 °F). The average annual precipitation amounts to about 2644 mm (104.1 inches) and receives 218 rainy days on the 1 mm (0.04 inches) threshold annually. Oystese enjoys an average of 2869 hours of sunshine throughout the year, and daylight varies from 5 hours 52 minutes to 18 hours 50 minutes per day.

Monthly average temperatures in Oystese, Norway

The warmest months in Oystese are June, July and August, with daily mean temperatures ranging from 12 to 14 °C (54 - 57 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to -1 °C (27 - 30 °F) throughout the day. On average each year, Oystese experiences 1 days above 25 °C (77.0 °F) and 139 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oystese. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		8°C
(47°F)		8°C
(47°F)		19°C
(66°F)		26°C
(79°F)		25°C
(77°F)		28°C
(83°F)		25°C
(77°F)		20°C
(69°F)		16°C
(62°F)		10°C
(50°F)		8°C
(46°F)
Mean maximum4°C
(40°F)		4°C
(40°F)		6°C
(43°F)		12°C
(54°F)		20°C
(69°F)		21°C
(70°F)		25°C
(77°F)		21°C
(71°F)		19°C
(66°F)		13°C
(56°F)		8°C
(47°F)		6°C
(43°F)
Average high-0°C
(31°F)		-1°C
(31°F)		2°C
(35°F)		5°C
(41°F)		10°C
(50°F)		16°C
(60°F)		17°C
(63°F)		16°C
(61°F)		12°C
(54°F)		7°C
(45°F)		3°C
(38°F)		0°C
(33°F)
Daily mean-2°C
(28°F)		-3°C
(27°F)		-1°C
(31°F)		2°C
(35°F)		6°C
(44°F)		12°C
(54°F)		14°C
(57°F)		12°C
(55°F)		9°C
(49°F)		5°C
(41°F)		1°C
(34°F)		-1°C
(30°F)
Average low-5°C
(24°F)		-5°C
(23°F)		-3°C
(26°F)		-2°C
(29°F)		3°C
(37°F)		8°C
(47°F)		10°C
(50°F)		9°C
(49°F)		7°C
(45°F)		3°C
(37°F)		-1°C
(31°F)		-3°C
(26°F)
Mean minimum-13°C
(8°F)		-14°C
(7°F)		-12°C
(10°F)		-9°C
(17°F)		-5°C
(24°F)		3°C
(38°F)		5°C
(41°F)		5°C
(41°F)		2°C
(37°F)		-3°C
(26°F)		-10°C
(15°F)		-11°C
(12°F)
Minimum-22°C
(-7°F)		-25°C
(-12°F)		-19°C
(-2°F)		-15°C
(6°F)		-8°C
(18°F)		1°C
(35°F)		3°C
(38°F)		4°C
(39°F)		1°C
(34°F)		-8°C
(17°F)		-13°C
(9°F)		-14°C
(8°F)

Compare climate in Oystese with other places

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

Monthly average precipitation in Oystese, Norway

Oystese usually has the most precipitation in September, October and December, with an average of 20 rainy days and 299 mm (11.8 inches) of precipitation per month. The driest months in Oystese are April, May and July. On average, 135 mm (5.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oystese. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)239 (9.4)234 (9.2)246 (9.7)152 (6.0)94 (3.7)164 (6.4)159 (6.2)200 (7.9)287 (11.3)340 (13.4)261 (10.3)270 (10.6)
Average precipitation days (≥ 1 mm)171720141617182019221820

Monthly sunshine hours in Oystese, Norway

The sunniest months in Oystese are May, June and July, when the sun shines an average of 12 hours 51 minutes a day. Least sunny months in Oystese: January, November and December receive an average of 2 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oystese. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours6114222731939536742035323317810762
Mean daily daylight hours6h 42m9h 6m11h 51m14h 40m17h 18m18h 50m17h 59m15h 33m12h 48m10h 1m7h 24m5h 52m

Solar UV radiation in Oystese, Norway

Oystese 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, November and December 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 Oystese UV Index data.

Average daily maximum UV levels by month for Oystese. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123567754211