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Monthly climate in Rantasalmi, South Savo, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rantasalmi features a subarctic climate (Dfc).Temperatures typically range between -6 °C (21 °F) and 17 °C (63 °F) through the year, but rarely can drop to -28 °C (-17 °F) or can rise to as high as 32 °C (89 °F).The average annual precipitation amounts to about 746 mm (29.4 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually.Rantasalmi enjoys an average of 3026 hours of sunshine throughout the year, and daylight varies from 5 hours 16 minutes to 19 hours 33 minutes per day.

Monthly average temperatures in Rantasalmi, South Savo, Finland §

The warmest months in Rantasalmi 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 -6 to -4 °C (21 - 26 °F) throughout the day. On average each year, Rantasalmi experiences 10 days above 25 °C (77.0 °F) and 148 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rantasalmi, South 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 7°C
(44°F)		 6°C
(42°F)		 11°C
(52°F)		 17°C
(64°F)		 27°C
(80°F)		 32°C
(89°F)		 31°C
(88°F)		 30°C
(85°F)		 22°C
(73°F)		 18°C
(65°F)		 10°C
(51°F)		 4°C
(39°F)
Mean maximum 3°C
(38°F)		 3°C
(38°F)		 8°C
(46°F)		 13°C
(55°F)		 23°C
(73°F)		 26°C
(79°F)		 28°C
(83°F)		 25°C
(77°F)		 19°C
(67°F)		 14°C
(57°F)		 8°C
(47°F)		 3°C
(37°F)
Average high -3°C
(26°F)		 -4°C
(25°F)		 1°C
(33°F)		 6°C
(43°F)		 13°C
(57°F)		 20°C
(68°F)		 21°C
(70°F)		 19°C
(66°F)		 13°C
(56°F)		 7°C
(45°F)		 2°C
(37°F)		 -2°C
(28°F)
Daily mean -6°C
(22°F)		 -6°C
(21°F)		 -3°C
(27°F)		 2°C
(36°F)		 10°C
(49°F)		 16°C
(61°F)		 17°C
(63°F)		 15°C
(60°F)		 10°C
(51°F)		 5°C
(42°F)		 1°C
(34°F)		 -4°C
(26°F)
Average low -8°C
(18°F)		 -9°C
(16°F)		 -6°C
(21°F)		 -2°C
(30°F)		 5°C
(42°F)		 12°C
(53°F)		 13°C
(56°F)		 12°C
(54°F)		 7°C
(46°F)		 3°C
(38°F)		 -1°C
(31°F)		 -5°C
(23°F)
Mean minimum -22°C
(-8°F)		 -20°C
(-4°F)		 -18°C
(0°F)		 -9°C
(17°F)		 -2°C
(29°F)		 6°C
(42°F)		 8°C
(46°F)		 8°C
(46°F)		 1°C
(34°F)		 -4°C
(25°F)		 -9°C
(16°F)		 -13°C
(9°F)
Minimum -28°C
(-17°F)		 -27°C
(-16°F)		 -25°C
(-12°F)		 -12°C
(10°F)		 -4°C
(25°F)		 1°C
(34°F)		 7°C
(44°F)		 7°C
(45°F)		 -1°C
(30°F)		 -6°C
(22°F)		 -14°C
(7°F)		 -23°C
(-9°F)

Compare climate in Rantasalmi with other places

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

Monthly average precipitation in Rantasalmi, South Savo, Finland §

Rantasalmi usually has the most precipitation in July, August and September, with an average of 13 rainy days and 78 mm (3.1 inches) of precipitation per month.The driest months in Rantasalmi 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 Rantasalmi, South 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) 49 (1.9) 44 (1.7) 46 (1.8) 46 (1.8) 55 (2.2) 67 (2.6) 77 (3.0) 81 (3.2) 77 (3.0) 76 (3.0) 57 (2.2) 70 (2.8)
Average precipitation days (≥ 1 mm) 12 11 12 11 11 11 12 14 14 14 12 15

Monthly sunshine hours in Rantasalmi, South Savo, Finland §

The sunniest months in Rantasalmi are May, June and July, when the sun shines an average of 15 hours 3 minutes a day.Least sunny months in Rantasalmi: January, November and December receive an average of 1 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rantasalmi, South 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 34 132 240 344 422 487 475 382 259 159 62 25
Mean daily daylight hours 6h 13m 8h 52m 11h 50m 14h 52m 17h 46m 19h 33m 18h 34m 15h 50m 12h 51m 9h 52m 7h 1m 5h 16m

Solar UV radiation in Rantasalmi, South Savo, Finland §

Rantasalmi 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 Rantasalmi UV Index data.

Average daily maximum UV levels by month for Rantasalmi, South 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 3 4 5 6 7 5 3 2 1 1