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Monthly climate in Jaemsae, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Jaemsae features a subarctic climate (Dfc). Temperatures typically range between -6 °C (22 °F) and 17 °C (64 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 734 mm (28.9 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually. Jaemsae enjoys an average of 3074 hours of sunshine throughout the year, and daylight varies from 5 hours 21 minutes to 19 hours 28 minutes per day.

Monthly average temperatures in Jaemsae, Finland

The warmest months in Jaemsae are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (60 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -2 °C (22 - 28 °F) throughout the day. On average each year, Jaemsae experiences 15 days above 25 °C (77.0 °F) and 141 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jaemsae. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		7°C
(45°F)		12°C
(54°F)		20°C
(69°F)		27°C
(81°F)		33°C
(92°F)		32°C
(90°F)		32°C
(91°F)		22°C
(72°F)		19°C
(66°F)		11°C
(52°F)		5°C
(41°F)
Mean maximum3°C
(38°F)		4°C
(39°F)		9°C
(48°F)		15°C
(60°F)		25°C
(77°F)		27°C
(81°F)		29°C
(84°F)		26°C
(80°F)		20°C
(68°F)		14°C
(58°F)		9°C
(48°F)		3°C
(38°F)
Average high-3°C
(28°F)		-3°C
(27°F)		1°C
(35°F)		7°C
(44°F)		14°C
(57°F)		20°C
(69°F)		21°C
(71°F)		19°C
(67°F)		14°C
(57°F)		8°C
(46°F)		3°C
(38°F)		-1°C
(31°F)
Daily mean-5°C
(24°F)		-6°C
(22°F)		-2°C
(28°F)		3°C
(37°F)		9°C
(49°F)		16°C
(61°F)		17°C
(64°F)		16°C
(60°F)		11°C
(52°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(28°F)
Average low-7°C
(20°F)		-8°C
(17°F)		-6°C
(22°F)		-2°C
(29°F)		3°C
(38°F)		10°C
(51°F)		13°C
(55°F)		12°C
(54°F)		8°C
(47°F)		4°C
(40°F)		0°C
(33°F)		-4°C
(25°F)
Mean minimum-21°C
(-5°F)		-20°C
(-3°F)		-18°C
(1°F)		-9°C
(16°F)		-3°C
(28°F)		5°C
(40°F)		8°C
(46°F)		7°C
(44°F)		2°C
(35°F)		-3°C
(27°F)		-7°C
(20°F)		-11°C
(12°F)
Minimum-26°C
(-15°F)		-27°C
(-16°F)		-25°C
(-13°F)		-13°C
(9°F)		-5°C
(24°F)		-1°C
(31°F)		6°C
(43°F)		5°C
(42°F)		-1°C
(30°F)		-6°C
(22°F)		-10°C
(14°F)		-21°C
(-5°F)

Compare climate in Jaemsae with other places

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

Monthly average precipitation in Jaemsae, Finland

Jaemsae usually has the most precipitation in August, September and October, with an average of 14 rainy days and 82 mm (3.2 inches) of precipitation per month. The driest months in Jaemsae are February, March and April. On average, 42 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jaemsae. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.8)42 (1.7)41 (1.6)42 (1.7)57 (2.2)60 (2.4)71 (2.8)92 (3.6)72 (2.8)82 (3.2)59 (2.3)69 (2.7)
Average precipitation days (≥ 1 mm)11911101011121413171315

Monthly sunshine hours in Jaemsae, Finland

The sunniest months in Jaemsae are May, June and July, when the sun shines an average of 14 hours 58 minutes a day. Least sunny months in Jaemsae: 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 Jaemsae. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours421352453524304764703882591537937
Mean daily daylight hours6h 17m8h 54m11h 50m14h 50m17h 42m19h 28m18h 30m15h 48m12h 51m9h 53m7h 4m5h 21m

Solar UV radiation in Jaemsae, Finland

Jaemsae 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 Jaemsae UV Index data.

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