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Monthly climate in Ruukki, North Ostrobothnia, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ruukki features a subarctic climate (Dfc).Temperatures typically range between -8 °C (18 °F) and 17 °C (62 °F) through the year, but rarely can drop to -30 °C (-23 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 670 mm (26.4 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Ruukki enjoys an average of 3214 hours of sunshine throughout the year, and daylight varies from 4 hours 1 minutes to 21 hours 15 minutes per day.

Monthly average temperatures in Ruukki, North Ostrobothnia, Finland §

The warmest months in Ruukki are June, July and August, with daily mean temperatures ranging from 14 to 17 °C (58 - 62 °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 - 25 °F) throughout the day. On average each year, Ruukki experiences 7 days above 25 °C (77.0 °F) and 164 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ruukki, 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 6°C
(42°F)		 5°C
(42°F)		 8°C
(46°F)		 18°C
(65°F)		 27°C
(81°F)		 29°C
(85°F)		 31°C
(88°F)		 31°C
(87°F)		 24°C
(75°F)		 18°C
(65°F)		 10°C
(50°F)		 5°C
(41°F)
Mean maximum 3°C
(38°F)		 3°C
(38°F)		 6°C
(44°F)		 12°C
(54°F)		 23°C
(73°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(78°F)		 19°C
(67°F)		 13°C
(57°F)		 8°C
(46°F)		 4°C
(39°F)
Average high -4°C
(24°F)		 -5°C
(24°F)		 -1°C
(31°F)		 4°C
(40°F)		 11°C
(53°F)		 18°C
(64°F)		 21°C
(69°F)		 18°C
(65°F)		 13°C
(56°F)		 6°C
(44°F)		 2°C
(35°F)		 -2°C
(29°F)
Daily mean -7°C
(20°F)		 -8°C
(18°F)		 -4°C
(26°F)		 1°C
(34°F)		 7°C
(46°F)		 14°C
(58°F)		 17°C
(62°F)		 14°C
(58°F)		 10°C
(50°F)		 4°C
(40°F)		 -0°C
(32°F)		 -4°C
(25°F)
Average low -9°C
(15°F)		 -11°C
(12°F)		 -7°C
(19°F)		 -3°C
(27°F)		 2°C
(37°F)		 9°C
(48°F)		 12°C
(53°F)		 10°C
(51°F)		 6°C
(44°F)		 2°C
(36°F)		 -2°C
(28°F)		 -6°C
(21°F)
Mean minimum -25°C
(-13°F)		 -23°C
(-9°F)		 -22°C
(-7°F)		 -10°C
(14°F)		 -4°C
(24°F)		 4°C
(39°F)		 5°C
(42°F)		 3°C
(38°F)		 -1°C
(30°F)		 -8°C
(18°F)		 -13°C
(9°F)		 -17°C
(1°F)
Minimum -30°C
(-23°F)		 -26°C
(-15°F)		 -27°C
(-16°F)		 -13°C
(9°F)		 -8°C
(18°F)		 1°C
(33°F)		 4°C
(40°F)		 -0°C
(31°F)		 -5°C
(23°F)		 -11°C
(12°F)		 -18°C
(0°F)		 -23°C
(-9°F)

Compare climate in Ruukki with other places

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

Monthly average precipitation in Ruukki, North Ostrobothnia, Finland §

Ruukki usually has the most precipitation in July, August and October, with an average of 14 rainy days and 81 mm (3.2 inches) of precipitation per month.The driest months in Ruukki are January, February and April. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ruukki, 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) 36 (1.4) 36 (1.4) 36 (1.4) 36 (1.4) 52 (2.1) 53 (2.1) 74 (2.9) 92 (3.6) 70 (2.8) 77 (3.0) 57 (2.2) 50 (2.0)
Average precipitation days (≥ 1 mm) 9 8 10 6 8 8 12 15 12 16 11 12

Monthly sunshine hours in Ruukki, North Ostrobothnia, Finland §

The sunniest months in Ruukki are May, June and July, when the sun shines an average of 15 hours 54 minutes a day.Least sunny months in Ruukki: January, November and December receive an average of 1 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ruukki, 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 35 135 271 363 449 511 502 410 280 156 71 26
Mean daily daylight hours 5h 16m 8h 27m 11h 49m 15h 14m 18h 42m 21h 15m 19h 47m 16h 21m 12h 57m 9h 36m 6h 15m 4h 1m

Solar UV radiation in Ruukki, North Ostrobothnia, Finland §

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

Average daily maximum UV levels by month for Ruukki, 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 3 4 4 6 6 4 3 2 1 1