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Monthly climate in Yli-Ii, North Ostrobothnia, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Yli-Ii features a subarctic climate (Dfc).Temperatures typically range between -9 °C (17 °F) and 17 °C (63 °F) through the year, but rarely can drop to -31 °C (-24 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 754 mm (29.7 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually.Yli-Ii enjoys an average of 3200 hours of sunshine throughout the year, and daylight varies from 3 hours 34 minutes to 22 hours 3 minutes per day.

Monthly average temperatures in Yli-Ii, North Ostrobothnia, Finland §

The warmest months in Yli-Ii are June, July and August, with daily mean temperatures ranging from 14 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 -9 to -5 °C (17 - 23 °F) throughout the day. On average each year, Yli-Ii experiences 8 days above 25 °C (77.0 °F) and 173 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yli-Ii, North Ostrobothnia, 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 5°C
(41°F)		 5°C
(41°F)		 7°C
(45°F)		 14°C
(57°F)		 27°C
(80°F)		 30°C
(86°F)		 32°C
(90°F)		 30°C
(87°F)		 24°C
(75°F)		 16°C
(62°F)		 9°C
(49°F)		 4°C
(39°F)
Mean maximum 2°C
(37°F)		 3°C
(38°F)		 6°C
(42°F)		 11°C
(53°F)		 22°C
(73°F)		 25°C
(77°F)		 28°C
(83°F)		 26°C
(78°F)		 19°C
(67°F)		 13°C
(55°F)		 7°C
(45°F)		 3°C
(37°F)
Average high -5°C
(22°F)		 -6°C
(22°F)		 -1°C
(31°F)		 4°C
(40°F)		 11°C
(52°F)		 18°C
(65°F)		 21°C
(70°F)		 18°C
(65°F)		 13°C
(55°F)		 6°C
(43°F)		 1°C
(34°F)		 -3°C
(27°F)
Daily mean -8°C
(18°F)		 -9°C
(17°F)		 -4°C
(25°F)		 1°C
(34°F)		 7°C
(45°F)		 14°C
(58°F)		 17°C
(63°F)		 14°C
(58°F)		 9°C
(49°F)		 4°C
(39°F)		 -1°C
(30°F)		 -5°C
(23°F)
Average low -11°C
(13°F)		 -12°C
(11°F)		 -8°C
(18°F)		 -3°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
(35°F)		 -3°C
(26°F)		 -7°C
(19°F)
Mean minimum -27°C
(-16°F)		 -23°C
(-9°F)		 -20°C
(-4°F)		 -11°C
(12°F)		 -5°C
(24°F)		 5°C
(41°F)		 6°C
(42°F)		 3°C
(38°F)		 -1°C
(30°F)		 -10°C
(14°F)		 -14°C
(7°F)		 -20°C
(-4°F)
Minimum -31°C
(-24°F)		 -26°C
(-15°F)		 -26°C
(-14°F)		 -14°C
(7°F)		 -7°C
(20°F)		 1°C
(34°F)		 4°C
(40°F)		 1°C
(34°F)		 -5°C
(24°F)		 -15°C
(5°F)		 -18°C
(-1°F)		 -26°C
(-15°F)

Compare climate in Yli-Ii with other places

Compare temperature, precipitation, sunshine, UV index in Yli-Ii, North Ostrobothnia, Finland with other places around the world.

Monthly average precipitation in Yli-Ii, North Ostrobothnia, Finland §

Yli-Ii usually has the most precipitation in July, August and October, with an average of 13 rainy days and 86 mm (3.4 inches) of precipitation per month.The driest months in Yli-Ii are January, February and April. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yli-Ii, North Ostrobothnia, 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) 42 (1.7) 46 (1.8) 41 (1.6) 51 (2.0) 66 (2.6) 77 (3.0) 95 (3.7) 76 (3.0) 86 (3.4) 67 (2.6) 63 (2.5)
Average precipitation days (≥ 1 mm) 10 9 12 7 9 9 10 15 12 15 13 15

Monthly sunshine hours in Yli-Ii, North Ostrobothnia, Finland §

The sunniest months in Yli-Ii are May, June and July, when the sun shines an average of 16 hours 4 minutes a day.Least sunny months in Yli-Ii: January, November and December receive an average of 1 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yli-Ii, North Ostrobothnia, 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 33 132 269 364 453 515 509 407 279 147 67 20
Mean daily daylight hours 4h 57m 8h 19m 11h 48m 15h 21m 19h 2m 22h 3m 20h 14m 16h 31m 12h 59m 9h 31m 6h 1m 3h 34m

Solar UV radiation in Yli-Ii, North Ostrobothnia, Finland §

Yli-Ii experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 4 - 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 Yli-Ii UV Index data.

Average daily maximum UV levels by month for Yli-Ii, North Ostrobothnia, 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 4 6 6 4 3 2 1 1