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Monthly climate in Pomarkku, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Pomarkku features a subarctic climate (Dfc). Temperatures typically range between -4 °C (25 °F) and 17 °C (64 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 747 mm (29.4 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually. Pomarkku enjoys an average of 3332 hours of sunshine throughout the year, and daylight varies from 5 hours 25 minutes to 19 hours 23 minutes per day.

Monthly average temperatures in Pomarkku, Finland

The warmest months in Pomarkku are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -1 °C (25 - 30 °F) throughout the day. On average each year, Pomarkku experiences 13 days above 25 °C (77.0 °F) and 132 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Pomarkku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(46°F)		7°C
(45°F)		11°C
(53°F)		21°C
(70°F)		27°C
(81°F)		31°C
(87°F)		32°C
(90°F)		30°C
(86°F)		24°C
(76°F)		18°C
(65°F)		12°C
(54°F)		6°C
(43°F)
Mean maximum5°C
(40°F)		5°C
(41°F)		9°C
(49°F)		16°C
(61°F)		24°C
(75°F)		26°C
(79°F)		28°C
(83°F)		25°C
(78°F)		21°C
(70°F)		15°C
(59°F)		10°C
(50°F)		5°C
(41°F)
Average high-1°C
(30°F)		-2°C
(29°F)		2°C
(36°F)		8°C
(46°F)		14°C
(57°F)		20°C
(68°F)		22°C
(71°F)		20°C
(68°F)		15°C
(59°F)		9°C
(48°F)		4°C
(40°F)		0°C
(33°F)
Daily mean-3°C
(27°F)		-4°C
(25°F)		-1°C
(30°F)		4°C
(39°F)		10°C
(49°F)		16°C
(61°F)		17°C
(64°F)		16°C
(61°F)		11°C
(52°F)		6°C
(43°F)		2°C
(37°F)		-1°C
(30°F)
Average low-5°C
(23°F)		-7°C
(19°F)		-5°C
(23°F)		-1°C
(31°F)		4°C
(40°F)		10°C
(51°F)		12°C
(55°F)		12°C
(53°F)		8°C
(46°F)		4°C
(39°F)		0°C
(33°F)		-3°C
(27°F)
Mean minimum-18°C
(-0°F)		-18°C
(-0°F)		-16°C
(3°F)		-9°C
(16°F)		-3°C
(28°F)		6°C
(43°F)		8°C
(46°F)		5°C
(41°F)		1°C
(34°F)		-5°C
(23°F)		-7°C
(20°F)		-10°C
(13°F)
Minimum-25°C
(-13°F)		-22°C
(-8°F)		-27°C
(-17°F)		-15°C
(6°F)		-5°C
(24°F)		2°C
(35°F)		6°C
(43°F)		3°C
(38°F)		-1°C
(30°F)		-7°C
(19°F)		-11°C
(12°F)		-21°C
(-5°F)

Compare climate in Pomarkku with other places

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

Monthly average precipitation in Pomarkku, Finland

Pomarkku usually has the most precipitation in July, August and October, with an average of 13 rainy days and 89 mm (3.5 inches) of precipitation per month. The driest months in Pomarkku are January, February and May. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Pomarkku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.6)43 (1.7)45 (1.8)44 (1.7)43 (1.7)58 (2.3)81 (3.2)106 (4.2)75 (3.0)80 (3.2)64 (2.5)66 (2.6)
Average precipitation days (≥ 1 mm)11710989101412151114

Monthly sunshine hours in Pomarkku, Finland

The sunniest months in Pomarkku are May, June and July, when the sun shines an average of 15 hours 39 minutes a day. Least sunny months in Pomarkku: January, November and December receive an average of 2 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Pomarkku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours5215826535345349748841929218910457
Mean daily daylight hours6h 20m8h 55m11h 50m14h 49m17h 39m19h 23m18h 26m15h 46m12h 50m9h 54m7h 6m5h 25m

Solar UV radiation in Pomarkku, Finland

Pomarkku 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 Pomarkku UV Index data.

Average daily maximum UV levels by month for Pomarkku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)113456653211