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Monthly climate in Reisjaervi, North Ostrobothnia, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Reisjaervi features a subarctic climate (Dfc).Temperatures typically range between -7 °C (20 °F) and 16 °C (62 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 723 mm (28.5 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually.Reisjaervi enjoys an average of 3027 hours of sunshine throughout the year, and daylight varies from 4 hours 35 minutes to 20 hours 26 minutes per day.

Monthly average temperatures in Reisjaervi, North Ostrobothnia, Finland §

The warmest months in Reisjaervi are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (58 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -4 °C (20 - 25 °F) throughout the day. On average each year, Reisjaervi experiences 12 days above 25 °C (77.0 °F) and 167 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Reisjaervi, North Ostrobothnia, Finland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 6°C
(44°F)		 6°C
(43°F)		 10°C
(51°F)		 21°C
(70°F)		 27°C
(82°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(87°F)		 23°C
(74°F)		 20°C
(69°F)		 10°C
(51°F)		 5°C
(40°F)
Mean maximum 3°C
(38°F)		 4°C
(39°F)		 8°C
(47°F)		 15°C
(59°F)		 24°C
(75°F)		 26°C
(79°F)		 28°C
(82°F)		 25°C
(78°F)		 19°C
(67°F)		 14°C
(57°F)		 8°C
(46°F)		 3°C
(38°F)
Average high -4°C
(25°F)		 -4°C
(25°F)		 1°C
(34°F)		 6°C
(43°F)		 13°C
(56°F)		 19°C
(67°F)		 21°C
(70°F)		 19°C
(66°F)		 13°C
(55°F)		 6°C
(43°F)		 2°C
(35°F)		 -2°C
(28°F)
Daily mean -6°C
(21°F)		 -7°C
(20°F)		 -3°C
(27°F)		 2°C
(36°F)		 8°C
(47°F)		 15°C
(59°F)		 16°C
(62°F)		 14°C
(58°F)		 9°C
(49°F)		 4°C
(39°F)		 -0°C
(32°F)		 -4°C
(25°F)
Average low -9°C
(17°F)		 -10°C
(14°F)		 -7°C
(19°F)		 -3°C
(27°F)		 3°C
(37°F)		 9°C
(49°F)		 11°C
(52°F)		 10°C
(50°F)		 6°C
(42°F)		 2°C
(35°F)		 -2°C
(29°F)		 -6°C
(22°F)
Mean minimum -24°C
(-11°F)		 -23°C
(-9°F)		 -20°C
(-3°F)		 -11°C
(13°F)		 -3°C
(26°F)		 3°C
(38°F)		 5°C
(41°F)		 3°C
(38°F)		 -2°C
(29°F)		 -8°C
(19°F)		 -12°C
(11°F)		 -15°C
(5°F)
Minimum -29°C
(-20°F)		 -26°C
(-14°F)		 -27°C
(-17°F)		 -15°C
(5°F)		 -5°C
(23°F)		 -1°C
(30°F)		 3°C
(38°F)		 2°C
(37°F)		 -4°C
(24°F)		 -11°C
(12°F)		 -18°C
(-0°F)		 -21°C
(-6°F)

Compare climate in Reisjaervi with other places

Compare temperature, precipitation, sunshine, UV index in Reisjaervi, North Ostrobothnia, Finland with other places around the world.

Monthly average precipitation in Reisjaervi, North Ostrobothnia, Finland §

Reisjaervi usually has the most precipitation in August, September and October, with an average of 14 rainy days and 84 mm (3.3 inches) of precipitation per month.The driest months in Reisjaervi are January, February and March. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Reisjaervi, North Ostrobothnia, Finland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 40 (1.6) 40 (1.6) 39 (1.5) 44 (1.7) 62 (2.4) 56 (2.2) 77 (3.0) 90 (3.5) 78 (3.1) 85 (3.4) 63 (2.5) 51 (2.0)
Average precipitation days (≥ 1 mm) 11 9 11 11 12 10 11 15 13 14 12 13

Monthly sunshine hours in Reisjaervi, North Ostrobothnia, Finland §

The sunniest months in Reisjaervi are May, June and July, when the sun shines an average of 15 hours 5 minutes a day.Least sunny months in Reisjaervi: January, November and December receive an average of 1 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Reisjaervi, North Ostrobothnia, Finland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 33 134 263 336 421 495 471 390 244 148 60 27
Mean daily daylight hours 5h 41m 8h 38m 11h 49m 15h 4m 18h 17m 20h 26m 19h 14m 16h 8m 12h 55m 9h 43m 6h 35m 4h 35m

Solar UV radiation in Reisjaervi, North Ostrobothnia, Finland §

Reisjaervi 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 Reisjaervi UV Index data.

Average daily maximum UV levels by month for Reisjaervi, North Ostrobothnia, Finland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 1 2 4 5 6 6 5 3 2 1 1