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Monthly climate in Suomussalmi, Kainuu, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Suomussalmi features a subarctic climate (Dfc).Temperatures typically range between -10 °C (15 °F) and 16 °C (61 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 802 mm (31.6 inches) and receives 157 rainy days on the 1 mm (0.04 inches) threshold annually.Suomussalmi enjoys an average of 2843 hours of sunshine throughout the year, and daylight varies from 3 hours 53 minutes to 21 hours 28 minutes per day.

Monthly average temperatures in Suomussalmi, Kainuu, Finland §

The warmest months in Suomussalmi are June, July and August, with daily mean temperatures ranging from 13 to 16 °C (56 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -6 °C (15 - 22 °F) throughout the day. On average each year, Suomussalmi experiences 8 days above 25 °C (77.0 °F) and 184 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Suomussalmi, Kainuu, 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 4°C
(40°F)		 4°C
(40°F)		 10°C
(51°F)		 20°C
(68°F)		 28°C
(82°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 23°C
(73°F)		 18°C
(65°F)		 8°C
(47°F)		 3°C
(37°F)
Mean maximum 1°C
(35°F)		 2°C
(36°F)		 6°C
(44°F)		 12°C
(55°F)		 21°C
(71°F)		 25°C
(77°F)		 27°C
(81°F)		 24°C
(76°F)		 19°C
(66°F)		 12°C
(54°F)		 6°C
(43°F)		 2°C
(35°F)
Average high -7°C
(20°F)		 -7°C
(20°F)		 -1°C
(30°F)		 4°C
(40°F)		 11°C
(51°F)		 18°C
(64°F)		 20°C
(68°F)		 17°C
(63°F)		 11°C
(53°F)		 4°C
(40°F)		 -0°C
(32°F)		 -4°C
(25°F)
Daily mean -9°C
(16°F)		 -10°C
(15°F)		 -5°C
(23°F)		 0°C
(33°F)		 6°C
(44°F)		 13°C
(57°F)		 16°C
(61°F)		 13°C
(56°F)		 8°C
(47°F)		 3°C
(37°F)		 -2°C
(29°F)		 -6°C
(22°F)
Average low -12°C
(11°F)		 -13°C
(9°F)		 -10°C
(15°F)		 -4°C
(25°F)		 1°C
(34°F)		 8°C
(47°F)		 11°C
(51°F)		 9°C
(49°F)		 5°C
(41°F)		 1°C
(34°F)		 -4°C
(25°F)		 -8°C
(18°F)
Mean minimum -26°C
(-15°F)		 -23°C
(-10°F)		 -22°C
(-7°F)		 -12°C
(11°F)		 -6°C
(21°F)		 3°C
(38°F)		 5°C
(42°F)		 3°C
(38°F)		 -2°C
(29°F)		 -8°C
(18°F)		 -14°C
(6°F)		 -19°C
(-2°F)
Minimum -33°C
(-27°F)		 -28°C
(-19°F)		 -28°C
(-19°F)		 -15°C
(5°F)		 -9°C
(17°F)		 -0°C
(31°F)		 4°C
(40°F)		 1°C
(35°F)		 -4°C
(25°F)		 -11°C
(13°F)		 -20°C
(-3°F)		 -22°C
(-7°F)

Compare climate in Suomussalmi with other places

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

Monthly average precipitation in Suomussalmi, Kainuu, Finland §

Suomussalmi usually has the most precipitation in August, September and October, with an average of 15 rainy days and 94 mm (3.7 inches) of precipitation per month.The driest months in Suomussalmi are January, February and April. On average, 42 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Suomussalmi, Kainuu, 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) 45 (1.8) 39 (1.5) 46 (1.8) 43 (1.7) 58 (2.3) 74 (2.9) 78 (3.1) 108 (4.2) 83 (3.3) 90 (3.5) 73 (2.9) 66 (2.6)
Average precipitation days (≥ 1 mm) 12 9 12 10 11 13 11 17 13 16 15 18

Monthly sunshine hours in Suomussalmi, Kainuu, Finland §

The sunniest months in Suomussalmi are May, June and July, when the sun shines an average of 14 hours 51 minutes a day.Least sunny months in Suomussalmi: January, November and December receive an average of 0 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Suomussalmi, Kainuu, 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 28 118 250 341 421 467 478 350 226 107 40 10
Mean daily daylight hours 5h 10m 8h 25m 11h 49m 15h 16m 18h 48m 21h 28m 19h 55m 16h 24m 12h 58m 9h 34m 6h 11m 3h 53m

Solar UV radiation in Suomussalmi, Kainuu, Finland §

Suomussalmi experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Suomussalmi UV Index data.

Average daily maximum UV levels by month for Suomussalmi, Kainuu, 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 2 3 5 6 6 4 3 2 1 1