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Monthly climate in Karstula, Central Finland, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Karstula 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 728 mm (28.6 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually.Karstula enjoys an average of 3038 hours of sunshine throughout the year, and daylight varies from 5 hours 2 minutes to 19 hours 52 minutes per day.

Monthly average temperatures in Karstula, Central Finland, Finland §

The warmest months in Karstula 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 - 26 °F) throughout the day. On average each year, Karstula experiences 12 days above 25 °C (77.0 °F) and 165 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Karstula, Central Finland, 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
(44°F)		 11°C
(53°F)		 19°C
(66°F)		 28°C
(82°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(87°F)		 22°C
(73°F)		 20°C
(68°F)		 11°C
(52°F)		 4°C
(40°F)
Mean maximum 3°C
(38°F)		 4°C
(39°F)		 9°C
(48°F)		 13°C
(56°F)		 24°C
(76°F)		 26°C
(79°F)		 28°C
(82°F)		 25°C
(78°F)		 20°C
(68°F)		 14°C
(57°F)		 8°C
(47°F)		 3°C
(37°F)
Average high -3°C
(26°F)		 -4°C
(25°F)		 1°C
(34°F)		 6°C
(43°F)		 13°C
(56°F)		 20°C
(68°F)		 21°C
(70°F)		 19°C
(66°F)		 13°C
(55°F)		 6°C
(44°F)		 2°C
(36°F)		 -2°C
(29°F)
Daily mean -6°C
(22°F)		 -7°C
(20°F)		 -3°C
(27°F)		 2°C
(35°F)		 8°C
(47°F)		 15°C
(60°F)		 16°C
(62°F)		 14°C
(58°F)		 9°C
(49°F)		 4°C
(40°F)		 0°C
(33°F)		 -4°C
(26°F)
Average low -8°C
(17°F)		 -10°C
(15°F)		 -7°C
(20°F)		 -3°C
(27°F)		 3°C
(37°F)		 10°C
(49°F)		 11°C
(52°F)		 10°C
(50°F)		 6°C
(43°F)		 2°C
(36°F)		 -2°C
(29°F)		 -6°C
(22°F)
Mean minimum -23°C
(-9°F)		 -22°C
(-8°F)		 -20°C
(-3°F)		 -12°C
(11°F)		 -4°C
(25°F)		 4°C
(39°F)		 6°C
(42°F)		 4°C
(39°F)		 -2°C
(28°F)		 -8°C
(19°F)		 -12°C
(11°F)		 -15°C
(6°F)
Minimum -29°C
(-20°F)		 -26°C
(-15°F)		 -27°C
(-16°F)		 -15°C
(6°F)		 -6°C
(22°F)		 -2°C
(29°F)		 4°C
(39°F)		 3°C
(38°F)		 -5°C
(23°F)		 -11°C
(13°F)		 -16°C
(4°F)		 -23°C
(-9°F)

Compare climate in Karstula with other places

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

Monthly average precipitation in Karstula, Central Finland, Finland §

Karstula usually has the most precipitation in August, September and October, with an average of 14 rainy days and 80 mm (3.2 inches) of precipitation per month.The driest months in Karstula are January, February and March. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Karstula, Central Finland, 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) 44 (1.7) 43 (1.7) 41 (1.6) 46 (1.8) 64 (2.5) 61 (2.4) 66 (2.6) 90 (3.6) 74 (2.9) 76 (3.0) 64 (2.5) 59 (2.3)
Average precipitation days (≥ 1 mm) 12 9 11 11 12 11 12 14 13 15 13 14

Monthly sunshine hours in Karstula, Central Finland, Finland §

The sunniest months in Karstula are May, June and July, when the sun shines an average of 15 hours 2 minutes a day.Least sunny months in Karstula: January, November and December receive an average of 1 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Karstula, Central Finland, 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 35 135 257 342 422 492 468 393 241 151 65 30
Mean daily daylight hours 6h 1m 8h 47m 11h 50m 14h 57m 17h 57m 19h 52m 18h 48m 15h 56m 12h 53m 9h 49m 6h 51m 5h 2m

Solar UV radiation in Karstula, Central Finland, Finland §

Karstula 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 Karstula UV Index data.

Average daily maximum UV levels by month for Karstula, Central Finland, 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