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Monthly climate in Jaemsaenkoski, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Jaemsaenkoski features a subarctic climate (Dfc). Temperatures typically range between -6 °C (22 °F) and 17 °C (63 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 743 mm (29.2 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually. Jaemsaenkoski enjoys an average of 3052 hours of sunshine throughout the year, and daylight varies from 5 hours 20 minutes to 19 hours 29 minutes per day.

Monthly average temperatures in Jaemsaenkoski, Finland

The warmest months in Jaemsaenkoski are June, July and August, with daily mean temperatures ranging from 15 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 -6 to -3 °C (22 - 27 °F) throughout the day. On average each year, Jaemsaenkoski experiences 16 days above 25 °C (77.0 °F) and 155 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jaemsaenkoski. 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)		12°C
(54°F)		21°C
(70°F)		28°C
(83°F)		33°C
(91°F)		33°C
(91°F)		33°C
(92°F)		22°C
(72°F)		19°C
(67°F)		11°C
(52°F)		5°C
(41°F)
Mean maximum4°C
(39°F)		4°C
(40°F)		9°C
(49°F)		16°C
(60°F)		25°C
(77°F)		27°C
(81°F)		29°C
(84°F)		26°C
(80°F)		20°C
(69°F)		15°C
(58°F)		9°C
(48°F)		3°C
(38°F)
Average high-3°C
(27°F)		-3°C
(27°F)		1°C
(35°F)		7°C
(45°F)		14°C
(58°F)		21°C
(69°F)		22°C
(71°F)		19°C
(67°F)		14°C
(57°F)		7°C
(46°F)		3°C
(37°F)		-1°C
(30°F)
Daily mean-5°C
(23°F)		-6°C
(22°F)		-2°C
(28°F)		3°C
(37°F)		9°C
(49°F)		16°C
(61°F)		17°C
(63°F)		15°C
(60°F)		10°C
(51°F)		5°C
(42°F)		1°C
(35°F)		-3°C
(27°F)
Average low-8°C
(19°F)		-9°C
(17°F)		-6°C
(21°F)		-2°C
(29°F)		3°C
(38°F)		10°C
(51°F)		12°C
(54°F)		11°C
(52°F)		7°C
(45°F)		3°C
(38°F)		-0°C
(31°F)		-5°C
(24°F)
Mean minimum-22°C
(-7°F)		-21°C
(-5°F)		-18°C
(-1°F)		-10°C
(15°F)		-3°C
(26°F)		4°C
(40°F)		7°C
(45°F)		6°C
(42°F)		0°C
(33°F)		-5°C
(23°F)		-9°C
(16°F)		-13°C
(9°F)
Minimum-27°C
(-16°F)		-28°C
(-18°F)		-26°C
(-15°F)		-13°C
(8°F)		-5°C
(23°F)		-1°C
(31°F)		5°C
(42°F)		4°C
(40°F)		-2°C
(28°F)		-9°C
(16°F)		-14°C
(7°F)		-22°C
(-8°F)

Compare climate in Jaemsaenkoski with other places

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

Monthly average precipitation in Jaemsaenkoski, Finland

Jaemsaenkoski usually has the most precipitation in August, September and October, with an average of 13 rainy days and 81 mm (3.2 inches) of precipitation per month. The driest months in Jaemsaenkoski are February, March and April. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jaemsaenkoski. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.9)44 (1.7)43 (1.7)44 (1.7)60 (2.4)62 (2.4)68 (2.7)91 (3.6)73 (2.9)80 (3.1)62 (2.4)69 (2.7)
Average precipitation days (≥ 1 mm)12911111011121412151214

Monthly sunshine hours in Jaemsaenkoski, Finland

The sunniest months in Jaemsaenkoski are May, June and July, when the sun shines an average of 14 hours 56 minutes a day. Least sunny months in Jaemsaenkoski: January, November and December receive an average of 1 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jaemsaenkoski. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours401362463524284764703922521507036
Mean daily daylight hours6h 16m8h 53m11h 50m14h 51m17h 43m19h 29m18h 31m15h 48m12h 51m9h 53m7h 3m5h 20m

Solar UV radiation in Jaemsaenkoski, Finland

Jaemsaenkoski 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 Jaemsaenkoski UV Index data.

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