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Monthly climate in Tervo, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tervo features a subarctic climate (Dfc). Temperatures typically range between -7 °C (20 °F) and 17 °C (63 °F) through the year, but rarely can drop to -29 °C (-19 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 774 mm (30.5 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually. Tervo enjoys an average of 2927 hours of sunshine throughout the year, and daylight varies from 4 hours 54 minutes to 20 hours 1 minutes per day.

Monthly average temperatures in Tervo, Finland

The warmest months in Tervo 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 -7 to -4 °C (20 - 25 °F) throughout the day. On average each year, Tervo experiences 12 days above 25 °C (77.0 °F) and 157 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tervo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(44°F)		6°C
(43°F)		11°C
(52°F)		20°C
(69°F)		27°C
(82°F)		31°C
(88°F)		32°C
(90°F)		32°C
(90°F)		23°C
(74°F)		19°C
(66°F)		10°C
(50°F)		4°C
(40°F)
Mean maximum3°C
(38°F)		4°C
(39°F)		8°C
(47°F)		14°C
(57°F)		23°C
(73°F)		26°C
(80°F)		29°C
(85°F)		26°C
(78°F)		19°C
(67°F)		14°C
(57°F)		8°C
(46°F)		2°C
(37°F)
Average high-4°C
(25°F)		-4°C
(24°F)		0°C
(33°F)		6°C
(42°F)		13°C
(55°F)		20°C
(68°F)		21°C
(71°F)		19°C
(66°F)		13°C
(56°F)		7°C
(45°F)		2°C
(36°F)		-2°C
(28°F)
Daily mean-6°C
(21°F)		-7°C
(20°F)		-3°C
(27°F)		2°C
(35°F)		8°C
(47°F)		15°C
(60°F)		17°C
(63°F)		15°C
(60°F)		10°C
(50°F)		5°C
(41°F)		1°C
(33°F)		-4°C
(25°F)
Average low-9°C
(17°F)		-10°C
(15°F)		-7°C
(20°F)		-3°C
(27°F)		3°C
(38°F)		10°C
(51°F)		12°C
(54°F)		11°C
(53°F)		7°C
(45°F)		3°C
(38°F)		-1°C
(31°F)		-6°C
(22°F)
Mean minimum-23°C
(-9°F)		-21°C
(-5°F)		-19°C
(-2°F)		-10°C
(14°F)		-3°C
(27°F)		4°C
(40°F)		7°C
(45°F)		6°C
(44°F)		1°C
(34°F)		-4°C
(25°F)		-10°C
(15°F)		-14°C
(8°F)
Minimum-29°C
(-19°F)		-27°C
(-17°F)		-26°C
(-15°F)		-15°C
(5°F)		-4°C
(24°F)		1°C
(33°F)		6°C
(44°F)		5°C
(42°F)		-1°C
(30°F)		-5°C
(23°F)		-15°C
(5°F)		-22°C
(-8°F)

Compare climate in Tervo with other places

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

Monthly average precipitation in Tervo, Finland

Tervo usually has the most precipitation in August, September and October, with an average of 14 rainy days and 89 mm (3.5 inches) of precipitation per month. The driest months in Tervo are February, March and April. On average, 42 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tervo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)42 (1.7)41 (1.6)44 (1.7)55 (2.2)59 (2.3)78 (3.1)95 (3.7)88 (3.5)85 (3.3)73 (2.9)66 (2.6)
Average precipitation days (≥ 1 mm)11101291110111413171414

Monthly sunshine hours in Tervo, Finland

The sunniest months in Tervo are May, June and July, when the sun shines an average of 14 hours 43 minutes a day. Least sunny months in Tervo: January, November and December receive an average of 1 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tervo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours351272513394074804673812351265024
Mean daily daylight hours5h 56m8h 44m11h 50m14h 59m18h 3m20h 1m18h 56m16h 0m12h 53m9h 47m6h 47m4h 54m

Solar UV radiation in Tervo, Finland

Tervo 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 Tervo UV Index data.

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