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Monthly climate in Imatra, South Karelia, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Imatra features a humid continental climate (Dfb).Temperatures typically range between -6 °C (22 °F) and 18 °C (64 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 32 °C (89 °F).The average annual precipitation amounts to about 720 mm (28.3 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually.Imatra enjoys an average of 3136 hours of sunshine throughout the year, and daylight varies from 5 hours 34 minutes to 19 hours 12 minutes per day.

Monthly average temperatures in Imatra, South Karelia, Finland §

The warmest months in Imatra 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 -6 to -3 °C (22 - 27 °F) throughout the day. On average each year, Imatra experiences 12 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 Imatra, South Karelia, Finland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 7°C
(45°F)		 6°C
(44°F)		 11°C
(52°F)		 19°C
(67°F)		 28°C
(83°F)		 32°C
(89°F)		 32°C
(89°F)		 29°C
(85°F)		 23°C
(74°F)		 18°C
(65°F)		 11°C
(53°F)		 5°C
(42°F)
Mean maximum 3°C
(38°F)		 4°C
(39°F)		 8°C
(46°F)		 14°C
(58°F)		 23°C
(74°F)		 26°C
(79°F)		 28°C
(83°F)		 25°C
(78°F)		 20°C
(68°F)		 15°C
(59°F)		 9°C
(49°F)		 3°C
(38°F)
Average high -3°C
(27°F)		 -3°C
(27°F)		 1°C
(34°F)		 7°C
(45°F)		 14°C
(57°F)		 20°C
(68°F)		 21°C
(71°F)		 19°C
(67°F)		 14°C
(58°F)		 8°C
(47°F)		 3°C
(38°F)		 -2°C
(29°F)
Daily mean -5°C
(24°F)		 -6°C
(22°F)		 -2°C
(28°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
(35°F)		 -3°C
(27°F)
Average low -7°C
(20°F)		 -8°C
(17°F)		 -6°C
(22°F)		 -1°C
(30°F)		 5°C
(41°F)		 11°C
(53°F)		 13°C
(56°F)		 12°C
(55°F)		 8°C
(47°F)		 4°C
(39°F)		 0°C
(32°F)		 -5°C
(24°F)
Mean minimum -21°C
(-5°F)		 -20°C
(-3°F)		 -18°C
(0°F)		 -8°C
(17°F)		 -2°C
(29°F)		 5°C
(42°F)		 8°C
(47°F)		 8°C
(47°F)		 3°C
(37°F)		 -3°C
(27°F)		 -7°C
(20°F)		 -12°C
(11°F)
Minimum -26°C
(-15°F)		 -28°C
(-18°F)		 -27°C
(-16°F)		 -13°C
(9°F)		 -3°C
(27°F)		 2°C
(36°F)		 6°C
(44°F)		 7°C
(44°F)		 0°C
(33°F)		 -4°C
(24°F)		 -10°C
(15°F)		 -21°C
(-6°F)

Compare climate in Imatra with other places

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

Monthly average precipitation in Imatra, South Karelia, Finland §

Imatra usually has the most precipitation in August, October and December, with an average of 15 rainy days and 77 mm (3.0 inches) of precipitation per month.The driest months in Imatra are January, March and April. On average, 47 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Imatra, South Karelia, Finland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 46 (1.8) 53 (2.1) 48 (1.9) 46 (1.8) 52 (2.1) 53 (2.1) 72 (2.8) 86 (3.4) 70 (2.8) 73 (2.9) 48 (1.9) 73 (2.9)
Average precipitation days (≥ 1 mm) 12 11 12 11 10 10 12 16 12 13 11 16

Monthly sunshine hours in Imatra, South Karelia, Finland §

The sunniest months in Imatra are May, June and July, when the sun shines an average of 15 hours 14 minutes a day.Least sunny months in Imatra: January, November and December receive an average of 1 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Imatra, South Karelia, Finland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 31 128 247 356 437 484 479 396 275 187 86 24
Mean daily daylight hours 6h 27m 8h 58m 11h 50m 14h 46m 17h 32m 19h 12m 18h 17m 15h 42m 12h 50m 9h 57m 7h 12m 5h 34m

Solar UV radiation in Imatra, South Karelia, Finland §

Imatra 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 Imatra UV Index data.

Average daily maximum UV levels by month for Imatra, South Karelia, Finland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 1 3 4 5 6 7 5 3 2 1 1