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Monthly climate in Halsua, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Halsua 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 -28 °C (-17 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 725 mm (28.5 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually. Halsua enjoys an average of 3093 hours of sunshine throughout the year, and daylight varies from 4 hours 40 minutes to 20 hours 20 minutes per day.

Monthly average temperatures in Halsua, Finland

The warmest months in Halsua 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, Halsua experiences 12 days above 25 °C (77.0 °F) and 164 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Halsua. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(44°F)		6°C
(43°F)		11°C
(52°F)		21°C
(70°F)		28°C
(82°F)		31°C
(88°F)		31°C
(87°F)		31°C
(88°F)		23°C
(74°F)		20°C
(68°F)		11°C
(51°F)		5°C
(41°F)
Mean maximum4°C
(39°F)		4°C
(39°F)		9°C
(48°F)		15°C
(59°F)		24°C
(75°F)		26°C
(79°F)		28°C
(82°F)		26°C
(79°F)		20°C
(68°F)		14°C
(58°F)		8°C
(47°F)		3°C
(38°F)
Average high-4°C
(26°F)		-4°C
(25°F)		1°C
(34°F)		6°C
(44°F)		13°C
(55°F)		19°C
(67°F)		21°C
(70°F)		19°C
(66°F)		13°C
(56°F)		6°C
(44°F)		2°C
(35°F)		-2°C
(29°F)
Daily mean-6°C
(22°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
(40°F)		0°C
(32°F)		-4°C
(26°F)
Average low-8°C
(17°F)		-10°C
(15°F)		-7°C
(20°F)		-3°C
(28°F)		3°C
(37°F)		9°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
(-8°F)		-22°C
(-8°F)		-20°C
(-4°F)		-11°C
(12°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)		-16°C
(4°F)
Minimum-27°C
(-17°F)		-26°C
(-15°F)		-28°C
(-17°F)		-15°C
(5°F)		-5°C
(23°F)		-2°C
(28°F)		3°C
(37°F)		2°C
(37°F)		-5°C
(23°F)		-12°C
(10°F)		-17°C
(1°F)		-23°C
(-9°F)

Compare climate in Halsua with other places

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

Monthly average precipitation in Halsua, Finland

Halsua usually has the most precipitation in August, September and October, with an average of 14 rainy days and 87 mm (3.4 inches) of precipitation per month. The driest months in Halsua 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 Halsua. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)39 (1.5)41 (1.6)40 (1.6)44 (1.7)63 (2.5)57 (2.2)72 (2.8)94 (3.7)77 (3.0)88 (3.5)61 (2.4)49 (1.9)
Average precipitation days (≥ 1 mm)11911111110111614141213

Monthly sunshine hours in Halsua, Finland

The sunniest months in Halsua are May, June and July, when the sun shines an average of 15 hours 18 minutes a day. Least sunny months in Halsua: January, November and December receive an average of 1 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Halsua. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours341372653434295004783972531566829
Mean daily daylight hours5h 45m8h 39m11h 49m15h 3m18h 14m20h 20m19h 9m16h 6m12h 54m9h 44m6h 38m4h 40m

Solar UV radiation in Halsua, Finland

Halsua 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 Halsua UV Index data.

Average daily maximum UV levels by month for Halsua. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112456653211