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Monthly climate in Kalvola, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kalvola features a subarctic climate (Dfc). Temperatures typically range between -5 °C (24 °F) and 17 °C (63 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 719 mm (28.3 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually. Kalvola enjoys an average of 3092 hours of sunshine throughout the year, and daylight varies from 5 hours 38 minutes to 19 hours 7 minutes per day.

Monthly average temperatures in Kalvola, Finland

The warmest months in Kalvola are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (24 - 29 °F) throughout the day. On average each year, Kalvola experiences 11 days above 25 °C (77.0 °F) and 135 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kalvola. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(46°F)		6°C
(44°F)		11°C
(52°F)		19°C
(67°F)		27°C
(81°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		23°C
(74°F)		17°C
(64°F)		12°C
(54°F)		5°C
(42°F)
Mean maximum4°C
(39°F)		4°C
(40°F)		9°C
(49°F)		15°C
(59°F)		23°C
(74°F)		25°C
(77°F)		27°C
(81°F)		25°C
(78°F)		20°C
(69°F)		15°C
(59°F)		10°C
(50°F)		4°C
(40°F)
Average high-1°C
(30°F)		-2°C
(29°F)		2°C
(36°F)		7°C
(45°F)		14°C
(57°F)		20°C
(68°F)		21°C
(70°F)		19°C
(67°F)		14°C
(58°F)		8°C
(47°F)		4°C
(39°F)		-0°C
(32°F)
Daily mean-4°C
(26°F)		-5°C
(24°F)		-2°C
(30°F)		3°C
(38°F)		10°C
(50°F)		16°C
(61°F)		17°C
(63°F)		16°C
(60°F)		11°C
(52°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(29°F)
Average low-6°C
(22°F)		-7°C
(19°F)		-5°C
(23°F)		-1°C
(31°F)		5°C
(41°F)		11°C
(52°F)		13°C
(55°F)		12°C
(54°F)		8°C
(47°F)		4°C
(39°F)		0°C
(33°F)		-4°C
(26°F)
Mean minimum-19°C
(-3°F)		-19°C
(-2°F)		-17°C
(2°F)		-8°C
(17°F)		-2°C
(28°F)		5°C
(42°F)		8°C
(47°F)		7°C
(45°F)		1°C
(35°F)		-4°C
(26°F)		-7°C
(20°F)		-10°C
(13°F)
Minimum-25°C
(-12°F)		-27°C
(-16°F)		-25°C
(-13°F)		-13°C
(9°F)		-4°C
(25°F)		2°C
(36°F)		6°C
(44°F)		6°C
(43°F)		-2°C
(29°F)		-5°C
(22°F)		-10°C
(14°F)		-19°C
(-2°F)

Compare climate in Kalvola with other places

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

Monthly average precipitation in Kalvola, Finland

Kalvola usually has the most precipitation in July, August and October, with an average of 13 rainy days and 80 mm (3.2 inches) of precipitation per month. The driest months in Kalvola 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 Kalvola. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)41 (1.6)43 (1.7)44 (1.7)58 (2.3)68 (2.7)82 (3.2)82 (3.2)63 (2.5)77 (3.0)52 (2.0)62 (2.4)
Average precipitation days (≥ 1 mm)11911111110111313161013

Monthly sunshine hours in Kalvola, Finland

The sunniest months in Kalvola are May, June and July, when the sun shines an average of 14 hours 54 minutes a day. Least sunny months in Kalvola: January, November and December receive an average of 1 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kalvola. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours431392503434304764633872671588941
Mean daily daylight hours6h 30m9h 0m11h 51m14h 45m17h 29m19h 7m18h 13m15h 40m12h 49m9h 57m7h 14m5h 38m

Solar UV radiation in Kalvola, Finland

Kalvola 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 Kalvola UV Index data.

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