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Monthly climate in Iisalmi, North Savo, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Iisalmi features a subarctic climate (Dfc).Temperatures typically range between -8 °C (18 °F) and 17 °C (63 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 813 mm (32.0 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Iisalmi enjoys an average of 2929 hours of sunshine throughout the year, and daylight varies from 4 hours 37 minutes to 20 hours 24 minutes per day.

Monthly average temperatures in Iisalmi, North Savo, Finland §

The warmest months in Iisalmi are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (58 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -4 °C (18 - 24 °F) throughout the day. On average each year, Iisalmi experiences 13 days above 25 °C (77.0 °F) and 170 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Iisalmi, North Savo, 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 6°C
(44°F)		 6°C
(43°F)		 12°C
(53°F)		 22°C
(71°F)		 28°C
(83°F)		 31°C
(88°F)		 32°C
(91°F)		 33°C
(91°F)		 23°C
(75°F)		 20°C
(68°F)		 10°C
(50°F)		 4°C
(40°F)
Mean maximum 3°C
(37°F)		 4°C
(39°F)		 8°C
(48°F)		 14°C
(58°F)		 24°C
(75°F)		 27°C
(80°F)		 29°C
(85°F)		 26°C
(79°F)		 20°C
(68°F)		 14°C
(57°F)		 8°C
(46°F)		 2°C
(37°F)
Average high -5°C
(24°F)		 -5°C
(23°F)		 0°C
(33°F)		 6°C
(43°F)		 13°C
(56°F)		 20°C
(68°F)		 21°C
(71°F)		 19°C
(66°F)		 13°C
(55°F)		 6°C
(43°F)		 1°C
(34°F)		 -3°C
(27°F)
Daily mean -7°C
(20°F)		 -8°C
(18°F)		 -4°C
(26°F)		 2°C
(35°F)		 8°C
(47°F)		 15°C
(59°F)		 17°C
(63°F)		 15°C
(58°F)		 9°C
(49°F)		 4°C
(40°F)		 -0°C
(32°F)		 -4°C
(24°F)
Average low -10°C
(15°F)		 -11°C
(13°F)		 -8°C
(18°F)		 -3°C
(27°F)		 2°C
(37°F)		 9°C
(49°F)		 11°C
(53°F)		 10°C
(51°F)		 6°C
(43°F)		 2°C
(36°F)		 -2°C
(28°F)		 -6°C
(21°F)
Mean minimum -26°C
(-14°F)		 -22°C
(-8°F)		 -20°C
(-5°F)		 -11°C
(12°F)		 -5°C
(24°F)		 4°C
(39°F)		 6°C
(42°F)		 5°C
(41°F)		 -1°C
(30°F)		 -6°C
(21°F)		 -13°C
(9°F)		 -16°C
(3°F)
Minimum -32°C
(-25°F)		 -28°C
(-18°F)		 -28°C
(-19°F)		 -16°C
(3°F)		 -9°C
(17°F)		 -0°C
(32°F)		 3°C
(38°F)		 3°C
(38°F)		 -4°C
(25°F)		 -9°C
(16°F)		 -18°C
(-0°F)		 -22°C
(-8°F)

Compare climate in Iisalmi with other places

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

Monthly average precipitation in Iisalmi, North Savo, Finland §

Iisalmi usually has the most precipitation in July, August and October, with an average of 13 rainy days and 93 mm (3.6 inches) of precipitation per month.The driest months in Iisalmi are February, March and April. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Iisalmi, North Savo, 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) 48 (1.9) 44 (1.7) 44 (1.7) 46 (1.8) 56 (2.2) 70 (2.8) 88 (3.5) 101 (4.0) 85 (3.4) 88 (3.5) 77 (3.0) 65 (2.6)
Average precipitation days (≥ 1 mm) 13 9 12 11 11 10 11 14 14 16 14 15

Monthly sunshine hours in Iisalmi, North Savo, Finland §

The sunniest months in Iisalmi are May, June and July, when the sun shines an average of 14 hours 50 minutes a day.Least sunny months in Iisalmi: January, November and December receive an average of 1 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Iisalmi, North Savo, 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 35 125 252 341 414 478 472 379 240 120 47 23
Mean daily daylight hours 5h 43m 8h 38m 11h 49m 15h 4m 18h 16m 20h 24m 19h 12m 16h 7m 12h 55m 9h 43m 6h 36m 4h 37m

Solar UV radiation in Iisalmi, North Savo, Finland §

Iisalmi 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 Iisalmi UV Index data.

Average daily maximum UV levels by month for Iisalmi, North Savo, 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 4 5 6 6 5 3 2 1 1