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Monthly climate in Jaala, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Jaala features a subarctic climate (Dfc). Temperatures typically range between -5 °C (23 °F) and 18 °C (64 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 728 mm (28.7 inches) and receives 145 rainy days on the 1 mm (0.04 inches) threshold annually. Jaala enjoys an average of 3059 hours of sunshine throughout the year, and daylight varies from 5 hours 39 minutes to 19 hours 6 minutes per day.

Monthly average temperatures in Jaala, Finland

The warmest months in Jaala 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 -5 to -2 °C (23 - 28 °F) throughout the day. On average each year, Jaala experiences 12 days above 25 °C (77.0 °F) and 133 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jaala. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(46°F)		7°C
(45°F)		11°C
(52°F)		20°C
(69°F)		28°C
(83°F)		31°C
(88°F)		31°C
(88°F)		30°C
(87°F)		22°C
(73°F)		18°C
(64°F)		11°C
(53°F)		5°C
(42°F)
Mean maximum4°C
(39°F)		4°C
(40°F)		9°C
(48°F)		15°C
(60°F)		24°C
(75°F)		25°C
(78°F)		28°C
(82°F)		26°C
(78°F)		20°C
(68°F)		14°C
(58°F)		9°C
(49°F)		4°C
(39°F)
Average high-2°C
(29°F)		-2°C
(28°F)		2°C
(35°F)		7°C
(45°F)		14°C
(58°F)		20°C
(68°F)		21°C
(71°F)		20°C
(67°F)		14°C
(58°F)		8°C
(47°F)		4°C
(39°F)		-1°C
(31°F)
Daily mean-4°C
(25°F)		-5°C
(23°F)		-2°C
(29°F)		3°C
(38°F)		10°C
(50°F)		16°C
(61°F)		18°C
(64°F)		16°C
(61°F)		11°C
(52°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(28°F)
Average low-6°C
(21°F)		-8°C
(19°F)		-5°C
(23°F)		-1°C
(31°F)		5°C
(41°F)		11°C
(53°F)		13°C
(56°F)		12°C
(54°F)		8°C
(47°F)		4°C
(39°F)		0°C
(33°F)		-4°C
(25°F)
Mean minimum-20°C
(-4°F)		-18°C
(-1°F)		-17°C
(2°F)		-8°C
(19°F)		-1°C
(30°F)		6°C
(43°F)		9°C
(48°F)		8°C
(46°F)		2°C
(36°F)		-3°C
(27°F)		-7°C
(19°F)		-11°C
(13°F)
Minimum-25°C
(-14°F)		-27°C
(-16°F)		-25°C
(-13°F)		-12°C
(10°F)		-2°C
(28°F)		2°C
(35°F)		8°C
(46°F)		7°C
(44°F)		-0°C
(31°F)		-5°C
(23°F)		-10°C
(15°F)		-20°C
(-4°F)

Compare climate in Jaala with other places

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

Monthly average precipitation in Jaala, Finland

Jaala usually has the most precipitation in July, August and October, with an average of 13 rainy days and 80 mm (3.1 inches) of precipitation per month. The driest months in Jaala are February, March and April. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jaala. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)49 (1.9)49 (1.9)44 (1.7)45 (1.8)54 (2.1)56 (2.2)79 (3.1)86 (3.4)64 (2.5)75 (3.0)54 (2.1)73 (2.9)
Average precipitation days (≥ 1 mm)121010111111121412151215

Monthly sunshine hours in Jaala, Finland

The sunniest months in Jaala are May, June and July, when the sun shines an average of 14 hours 54 minutes a day. Least sunny months in Jaala: January, November and December receive an average of 1 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jaala. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours421332413494294734693862571608235
Mean daily daylight hours6h 31m9h 0m11h 51m14h 44m17h 28m19h 6m18h 13m15h 39m12h 49m9h 58m7h 15m5h 39m

Solar UV radiation in Jaala, Finland

Jaala 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, 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 Jaala UV Index data.

Average daily maximum UV levels by month for Jaala. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)113456753211