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Monthly climate in Halikko, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Halikko features a humid continental climate (Dfb). Temperatures typically range between -4 °C (25 °F) and 18 °C (64 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 707 mm (27.8 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually. Halikko enjoys an average of 3433 hours of sunshine throughout the year, and daylight varies from 5 hours 48 minutes to 18 hours 54 minutes per day.

Monthly average temperatures in Halikko, Finland

The warmest months in Halikko are June, July and August, with daily mean temperatures ranging from 16 to 18 °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, Halikko experiences 14 days above 25 °C (77.0 °F) and 131 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Halikko. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(47°F)		7°C
(45°F)		13°C
(55°F)		21°C
(70°F)		27°C
(81°F)		31°C
(89°F)		32°C
(90°F)		30°C
(86°F)		24°C
(75°F)		17°C
(63°F)		13°C
(56°F)		7°C
(44°F)
Mean maximum5°C
(41°F)		5°C
(41°F)		11°C
(51°F)		16°C
(61°F)		24°C
(75°F)		25°C
(78°F)		29°C
(84°F)		26°C
(78°F)		21°C
(71°F)		15°C
(59°F)		11°C
(51°F)		6°C
(43°F)
Average high-0°C
(31°F)		-1°C
(30°F)		3°C
(38°F)		8°C
(47°F)		15°C
(58°F)		21°C
(70°F)		22°C
(72°F)		20°C
(69°F)		15°C
(59°F)		9°C
(49°F)		5°C
(41°F)		1°C
(33°F)
Daily mean-3°C
(28°F)		-4°C
(25°F)		-1°C
(31°F)		4°C
(39°F)		10°C
(50°F)		16°C
(62°F)		18°C
(64°F)		16°C
(61°F)		12°C
(53°F)		7°C
(44°F)		3°C
(38°F)		-1°C
(30°F)
Average low-5°C
(23°F)		-7°C
(20°F)		-4°C
(24°F)		-1°C
(31°F)		4°C
(40°F)		11°C
(51°F)		13°C
(55°F)		12°C
(53°F)		8°C
(46°F)		4°C
(39°F)		1°C
(34°F)		-3°C
(27°F)
Mean minimum-17°C
(1°F)		-18°C
(-0°F)		-16°C
(4°F)		-8°C
(18°F)		-3°C
(26°F)		5°C
(41°F)		7°C
(44°F)		5°C
(42°F)		-0°C
(32°F)		-5°C
(24°F)		-6°C
(21°F)		-10°C
(14°F)
Minimum-25°C
(-13°F)		-24°C
(-12°F)		-24°C
(-11°F)		-11°C
(12°F)		-5°C
(24°F)		1°C
(35°F)		4°C
(39°F)		5°C
(41°F)		-3°C
(27°F)		-7°C
(20°F)		-9°C
(16°F)		-20°C
(-4°F)

Compare climate in Halikko with other places

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

Monthly average precipitation in Halikko, Finland

Halikko usually has the most precipitation in July, August and October, with an average of 12 rainy days and 81 mm (3.2 inches) of precipitation per month. The driest months in Halikko are February, March and April. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Halikko. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)50 (2.0)44 (1.7)47 (1.9)38 (1.5)55 (2.2)51 (2.0)78 (3.1)89 (3.5)58 (2.3)76 (3.0)53 (2.1)69 (2.7)
Average precipitation days (≥ 1 mm)1081110108101312141013

Monthly sunshine hours in Halikko, Finland

The sunniest months in Halikko are May, June and July, when the sun shines an average of 15 hours 39 minutes a day. Least sunny months in Halikko: January, November and December receive an average of 2 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Halikko. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours6115727137145849548842031020612466
Mean daily daylight hours6h 39m9h 4m11h 51m14h 41m17h 21m18h 54m18h 3m15h 35m12h 48m10h 0m7h 22m5h 48m

Solar UV radiation in Halikko, Finland

Halikko experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 7, which corresponds to the Moderate / High category of sun exposure. January, November and December 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 Halikko UV Index data.

Average daily maximum UV levels by month for Halikko. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123457754211