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Monthly climate in Simo, Lapland, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Simo features a subarctic climate (Dfc).Temperatures typically range between -9 °C (16 °F) and 17 °C (63 °F) through the year, but rarely can drop to -32 °C (-26 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 744 mm (29.3 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually.Simo enjoys an average of 3234 hours of sunshine throughout the year, and daylight varies from 3 hours 21 minutes to 22 hours 33 minutes per day.

Monthly average temperatures in Simo, Lapland, Finland §

The warmest months in Simo are June, July and August, with daily mean temperatures ranging from 14 to 17 °C (57 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -5 °C (16 - 22 °F) throughout the day. On average each year, Simo experiences 7 days above 25 °C (77.0 °F) and 177 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Simo, Lapland, 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)		 6°C
(43°F)		 7°C
(44°F)		 16°C
(62°F)		 25°C
(76°F)		 28°C
(83°F)		 32°C
(90°F)		 31°C
(87°F)		 21°C
(70°F)		 15°C
(59°F)		 9°C
(49°F)		 4°C
(40°F)
Mean maximum 3°C
(37°F)		 3°C
(38°F)		 5°C
(42°F)		 11°C
(52°F)		 21°C
(70°F)		 24°C
(76°F)		 28°C
(83°F)		 25°C
(78°F)		 19°C
(66°F)		 12°C
(54°F)		 7°C
(44°F)		 3°C
(37°F)
Average high -6°C
(22°F)		 -6°C
(21°F)		 -1°C
(30°F)		 4°C
(40°F)		 11°C
(51°F)		 18°C
(64°F)		 21°C
(70°F)		 18°C
(64°F)		 12°C
(54°F)		 5°C
(42°F)		 1°C
(33°F)		 -3°C
(26°F)
Daily mean -9°C
(16°F)		 -9°C
(16°F)		 -5°C
(24°F)		 0°C
(33°F)		 7°C
(45°F)		 14°C
(57°F)		 17°C
(63°F)		 14°C
(58°F)		 9°C
(48°F)		 3°C
(38°F)		 -2°C
(30°F)		 -5°C
(22°F)
Average low -12°C
(11°F)		 -13°C
(9°F)		 -9°C
(17°F)		 -4°C
(26°F)		 2°C
(36°F)		 9°C
(48°F)		 12°C
(53°F)		 10°C
(51°F)		 6°C
(43°F)		 1°C
(34°F)		 -4°C
(25°F)		 -8°C
(18°F)
Mean minimum -27°C
(-17°F)		 -25°C
(-12°F)		 -21°C
(-5°F)		 -12°C
(10°F)		 -4°C
(24°F)		 5°C
(41°F)		 6°C
(42°F)		 3°C
(37°F)		 -2°C
(29°F)		 -11°C
(13°F)		 -15°C
(5°F)		 -21°C
(-5°F)
Minimum -32°C
(-26°F)		 -29°C
(-20°F)		 -24°C
(-11°F)		 -16°C
(3°F)		 -6°C
(21°F)		 1°C
(34°F)		 4°C
(39°F)		 -0°C
(32°F)		 -6°C
(21°F)		 -14°C
(6°F)		 -19°C
(-1°F)		 -27°C
(-17°F)

Compare climate in Simo with other places

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

Monthly average precipitation in Simo, Lapland, Finland §

Simo usually has the most precipitation in August, September and October, with an average of 13 rainy days and 82 mm (3.2 inches) of precipitation per month.The driest months in Simo are January, February and April. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Simo, Lapland, 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) 46 (1.8) 50 (2.0) 40 (1.6) 51 (2.0) 62 (2.4) 62 (2.4) 86 (3.4) 75 (3.0) 85 (3.3) 71 (2.8) 67 (2.7)
Average precipitation days (≥ 1 mm) 9 9 10 6 9 9 9 13 12 14 13 16

Monthly sunshine hours in Simo, Lapland, Finland §

The sunniest months in Simo are May, June and July, when the sun shines an average of 16 hours 7 minutes a day.Least sunny months in Simo: January, November and December receive an average of 1 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Simo, Lapland, 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 30 134 271 363 458 512 513 418 286 154 73 16
Mean daily daylight hours 4h 48m 8h 16m 11h 48m 15h 24m 19h 11m 22h 33m 20h 28m 16h 35m 13h 0m 9h 29m 5h 54m 3h 21m

Solar UV radiation in Simo, Lapland, Finland §

Simo 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 Simo UV Index data.

Average daily maximum UV levels by month for Simo, Lapland, 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 4 3 2 1 1