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Monthly climate in Purmo, Ostrobothnia, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Purmo features a subarctic climate (Dfc).Temperatures typically range between -6 °C (22 °F) and 17 °C (63 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 689 mm (27.1 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually.Purmo enjoys an average of 3249 hours of sunshine throughout the year, and daylight varies from 4 hours 38 minutes to 20 hours 22 minutes per day.

Monthly average temperatures in Purmo, Ostrobothnia, Finland §

The warmest months in Purmo are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (59 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -3 °C (22 - 28 °F) throughout the day. On average each year, Purmo experiences 10 days above 25 °C (77.0 °F) and 149 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Purmo, 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 7°C
(45°F)		 6°C
(43°F)		 9°C
(48°F)		 20°C
(68°F)		 26°C
(80°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(89°F)		 23°C
(74°F)		 19°C
(67°F)		 11°C
(52°F)		 5°C
(42°F)
Mean maximum 4°C
(40°F)		 4°C
(40°F)		 8°C
(46°F)		 14°C
(58°F)		 23°C
(74°F)		 25°C
(78°F)		 28°C
(83°F)		 26°C
(79°F)		 20°C
(68°F)		 14°C
(58°F)		 9°C
(48°F)		 4°C
(40°F)
Average high -2°C
(28°F)		 -3°C
(27°F)		 1°C
(35°F)		 6°C
(44°F)		 12°C
(55°F)		 19°C
(66°F)		 21°C
(70°F)		 19°C
(66°F)		 14°C
(57°F)		 7°C
(46°F)		 3°C
(37°F)		 -1°C
(30°F)
Daily mean -5°C
(24°F)		 -6°C
(22°F)		 -2°C
(28°F)		 2°C
(37°F)		 8°C
(47°F)		 15°C
(59°F)		 17°C
(63°F)		 15°C
(59°F)		 10°C
(51°F)		 5°C
(42°F)		 1°C
(34°F)		 -3°C
(28°F)
Average low -7°C
(20°F)		 -9°C
(17°F)		 -6°C
(22°F)		 -2°C
(29°F)		 3°C
(38°F)		 9°C
(49°F)		 12°C
(53°F)		 11°C
(52°F)		 7°C
(45°F)		 3°C
(38°F)		 -1°C
(31°F)		 -4°C
(24°F)
Mean minimum -20°C
(-4°F)		 -20°C
(-4°F)		 -19°C
(-1°F)		 -9°C
(17°F)		 -3°C
(28°F)		 4°C
(40°F)		 6°C
(43°F)		 4°C
(40°F)		 0°C
(33°F)		 -6°C
(22°F)		 -10°C
(15°F)		 -13°C
(9°F)
Minimum -26°C
(-14°F)		 -25°C
(-13°F)		 -28°C
(-18°F)		 -14°C
(7°F)		 -4°C
(25°F)		 0°C
(33°F)		 3°C
(39°F)		 4°C
(39°F)		 -2°C
(29°F)		 -9°C
(15°F)		 -17°C
(2°F)		 -23°C
(-10°F)

Compare climate in Purmo with other places

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

Monthly average precipitation in Purmo, Ostrobothnia, Finland §

Purmo usually has the most precipitation in August, September and October, with an average of 14 rainy days and 83 mm (3.3 inches) of precipitation per month.The driest months in Purmo are January, February and March. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Purmo, 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) 37 (1.4) 40 (1.6) 41 (1.6) 41 (1.6) 53 (2.1) 55 (2.2) 69 (2.7) 93 (3.6) 72 (2.8) 86 (3.4) 57 (2.2) 47 (1.8)
Average precipitation days (≥ 1 mm) 10 8 10 8 9 10 12 16 13 15 11 13

Monthly sunshine hours in Purmo, Ostrobothnia, Finland §

The sunniest months in Purmo are May, June and July, when the sun shines an average of 15 hours 42 minutes a day.Least sunny months in Purmo: January, November and December receive an average of 1 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Purmo, 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 37 137 269 361 448 505 490 417 277 178 88 38
Mean daily daylight hours 5h 43m 8h 39m 11h 49m 15h 4m 18h 15m 20h 22m 19h 11m 16h 6m 12h 55m 9h 43m 6h 37m 4h 38m

Solar UV radiation in Purmo, Ostrobothnia, Finland §

Purmo 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 Purmo UV Index data.

Average daily maximum UV levels by month for Purmo, 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 3 4 5 6 6 5 3 2 1 1