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Monthly climate in Kalajoki, North Ostrobothnia, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kalajoki features a subarctic climate (Dfc).Temperatures typically range between -7 °C (20 °F) and 17 °C (63 °F) through the year, but rarely can drop to -28 °C (-19 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 675 mm (26.6 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually.Kalajoki enjoys an average of 3292 hours of sunshine throughout the year, and daylight varies from 4 hours 16 minutes to 20 hours 54 minutes per day.

Monthly average temperatures in Kalajoki, North Ostrobothnia, Finland §

The warmest months in Kalajoki are June, July and August, with daily mean temperatures ranging from 14 to 17 °C (58 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (20 - 27 °F) throughout the day. On average each year, Kalajoki experiences 10 days above 25 °C (77.0 °F) and 157 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kalajoki, 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
(50°F)		 20°C
(68°F)		 27°C
(80°F)		 30°C
(86°F)		 33°C
(91°F)		 33°C
(92°F)		 23°C
(75°F)		 19°C
(67°F)		 10°C
(51°F)		 5°C
(42°F)
Mean maximum 4°C
(39°F)		 4°C
(40°F)		 7°C
(46°F)		 14°C
(58°F)		 23°C
(74°F)		 26°C
(79°F)		 29°C
(84°F)		 27°C
(81°F)		 20°C
(68°F)		 14°C
(58°F)		 8°C
(47°F)		 4°C
(40°F)
Average high -3°C
(26°F)		 -4°C
(26°F)		 1°C
(33°F)		 6°C
(43°F)		 12°C
(54°F)		 19°C
(66°F)		 22°C
(71°F)		 19°C
(66°F)		 14°C
(57°F)		 7°C
(45°F)		 2°C
(37°F)		 -1°C
(30°F)
Daily mean -5°C
(22°F)		 -7°C
(20°F)		 -3°C
(27°F)		 2°C
(36°F)		 8°C
(47°F)		 14°C
(58°F)		 17°C
(63°F)		 15°C
(59°F)		 10°C
(50°F)		 5°C
(41°F)		 1°C
(33°F)		 -3°C
(27°F)
Average low -8°C
(18°F)		 -10°C
(15°F)		 -7°C
(20°F)		 -2°C
(28°F)		 2°C
(37°F)		 9°C
(48°F)		 12°C
(53°F)		 10°C
(51°F)		 7°C
(44°F)		 3°C
(37°F)		 -1°C
(30°F)		 -5°C
(23°F)
Mean minimum -22°C
(-7°F)		 -21°C
(-6°F)		 -21°C
(-5°F)		 -10°C
(15°F)		 -3°C
(27°F)		 3°C
(38°F)		 5°C
(42°F)		 4°C
(39°F)		 -0°C
(32°F)		 -7°C
(20°F)		 -11°C
(13°F)		 -15°C
(5°F)
Minimum -28°C
(-18°F)		 -27°C
(-16°F)		 -28°C
(-19°F)		 -13°C
(9°F)		 -5°C
(24°F)		 -0°C
(32°F)		 3°C
(38°F)		 2°C
(35°F)		 -3°C
(26°F)		 -14°C
(8°F)		 -18°C
(-0°F)		 -22°C
(-8°F)

Compare climate in Kalajoki with other places

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

Monthly average precipitation in Kalajoki, North Ostrobothnia, Finland §

Kalajoki usually has the most precipitation in August, September and October, with an average of 13 rainy days and 81 mm (3.2 inches) of precipitation per month.The driest months in Kalajoki are January, February and March. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kalajoki, 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) 36 (1.4) 39 (1.5) 37 (1.5) 39 (1.5) 55 (2.2) 53 (2.1) 68 (2.7) 87 (3.4) 75 (3.0) 81 (3.2) 58 (2.3) 48 (1.9)
Average precipitation days (≥ 1 mm) 9 8 10 7 8 8 11 15 12 14 11 12

Monthly sunshine hours in Kalajoki, North Ostrobothnia, Finland §

The sunniest months in Kalajoki are May, June and July, when the sun shines an average of 16 hours 0 minutes a day.Least sunny months in Kalajoki: January, November and December receive an average of 1 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kalajoki, 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 36 138 274 369 450 515 507 430 290 170 81 26
Mean daily daylight hours 5h 27m 8h 31m 11h 49m 15h 10m 18h 32m 20h 54m 19h 33m 16h 16m 12h 56m 9h 39m 6h 24m 4h 16m

Solar UV radiation in Kalajoki, North Ostrobothnia, Finland §

Kalajoki 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 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 Kalajoki UV Index data.

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