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Monthly climate in Rissa, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rissa features a subpolar climate (Cfc). Temperatures typically range between -1 °C (31 °F) and 15 °C (59 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1507 mm (59.4 inches) and receives 196 rainy days on the 1 mm (0.04 inches) threshold annually. Rissa enjoys an average of 3082 hours of sunshine throughout the year, and daylight varies from 4 hours 36 minutes to 20 hours 25 minutes per day.

Monthly average temperatures in Rissa, Norway

The warmest months in Rissa are June, July and August, with daily mean temperatures ranging from 13 to 15 °C (56 - 59 °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 - 33 °F) throughout the day. On average each year, Rissa experiences 3 days above 25 °C (77.0 °F) and 92 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rissa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(52°F)		9°C
(48°F)		13°C
(55°F)		19°C
(67°F)		23°C
(73°F)		28°C
(82°F)		29°C
(84°F)		28°C
(82°F)		20°C
(68°F)		19°C
(66°F)		13°C
(56°F)		10°C
(49°F)
Mean maximum7°C
(45°F)		7°C
(45°F)		10°C
(50°F)		15°C
(59°F)		19°C
(66°F)		22°C
(72°F)		25°C
(78°F)		23°C
(74°F)		19°C
(66°F)		15°C
(60°F)		10°C
(51°F)		8°C
(47°F)
Average high1°C
(35°F)		1°C
(35°F)		4°C
(39°F)		8°C
(46°F)		12°C
(53°F)		16°C
(61°F)		18°C
(64°F)		17°C
(62°F)		14°C
(57°F)		9°C
(48°F)		4°C
(40°F)		2°C
(36°F)
Daily mean-1°C
(31°F)		-1°C
(31°F)		1°C
(34°F)		4°C
(40°F)		9°C
(48°F)		13°C
(56°F)		15°C
(59°F)		14°C
(57°F)		11°C
(52°F)		7°C
(45°F)		3°C
(37°F)		0°C
(33°F)
Average low-3°C
(27°F)		-3°C
(26°F)		-2°C
(29°F)		1°C
(35°F)		5°C
(42°F)		10°C
(50°F)		11°C
(53°F)		11°C
(52°F)		9°C
(48°F)		5°C
(41°F)		1°C
(34°F)		-2°C
(29°F)
Mean minimum-11°C
(12°F)		-12°C
(11°F)		-10°C
(15°F)		-4°C
(25°F)		0°C
(32°F)		6°C
(42°F)		7°C
(45°F)		7°C
(45°F)		5°C
(41°F)		0°C
(32°F)		-7°C
(20°F)		-9°C
(17°F)
Minimum-15°C
(5°F)		-19°C
(-2°F)		-20°C
(-4°F)		-7°C
(20°F)		-1°C
(31°F)		4°C
(39°F)		6°C
(43°F)		6°C
(44°F)		3°C
(39°F)		-2°C
(29°F)		-11°C
(12°F)		-13°C
(9°F)

Compare climate in Rissa with other places

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

Monthly average precipitation in Rissa, Norway

Rissa usually has the most precipitation in September, October and December, with an average of 18 rainy days and 164 mm (6.4 inches) of precipitation per month. The driest months in Rissa are February, May and July. On average, 93 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rissa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)126 (5.0)95 (3.7)138 (5.4)123 (4.8)83 (3.3)102 (4.0)101 (4.0)130 (5.1)167 (6.6)178 (7.0)118 (4.7)146 (5.7)
Average precipitation days (≥ 1 mm)151519161415161618201517

Monthly sunshine hours in Rissa, Norway

The sunniest months in Rissa are May, June and July, when the sun shines an average of 13 hours 56 minutes a day. Least sunny months in Rissa: January, November and December receive an average of 2 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rissa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours5615624432542341744237726220211557
Mean daily daylight hours5h 42m8h 38m11h 50m15h 4m18h 17m20h 25m19h 12m16h 7m12h 54m9h 43m6h 36m4h 36m

Solar UV radiation in Rissa, Norway

Rissa experiences the highest level of ultraviolet (UV) radiation in June, July and August, 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 Rissa UV Index data.

Average daily maximum UV levels by month for Rissa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112356653211