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Monthly climate in Koski Tl, Southwest Finland, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Koski Tl features a humid continental climate (Dfb).Temperatures typically range between -4 °C (25 °F) and 17 °C (64 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 726 mm (28.6 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually.Koski Tl enjoys an average of 3317 hours of sunshine throughout the year, and daylight varies from 5 hours 47 minutes to 18 hours 56 minutes per day.

Monthly average temperatures in Koski Tl, Southwest Finland, Finland §

The warmest months in Koski Tl are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -2 °C (25 - 30 °F) throughout the day. On average each year, Koski Tl experiences 15 days above 25 °C (77.0 °F) and 140 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Koski Tl, Southwest Finland, 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 8°C
(46°F)		 7°C
(45°F)		 13°C
(56°F)		 21°C
(70°F)		 27°C
(82°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(87°F)		 24°C
(76°F)		 18°C
(64°F)		 13°C
(56°F)		 6°C
(43°F)
Mean maximum 4°C
(40°F)		 5°C
(41°F)		 11°C
(51°F)		 16°C
(62°F)		 24°C
(76°F)		 26°C
(79°F)		 29°C
(84°F)		 26°C
(79°F)		 21°C
(71°F)		 15°C
(59°F)		 10°C
(51°F)		 5°C
(42°F)
Average high -1°C
(31°F)		 -1°C
(30°F)		 3°C
(37°F)		 8°C
(47°F)		 15°C
(59°F)		 21°C
(70°F)		 22°C
(72°F)		 20°C
(69°F)		 15°C
(59°F)		 9°C
(48°F)		 4°C
(40°F)		 0°C
(32°F)
Daily mean -3°C
(27°F)		 -4°C
(25°F)		 -1°C
(30°F)		 4°C
(39°F)		 10°C
(50°F)		 16°C
(62°F)		 17°C
(64°F)		 16°C
(61°F)		 11°C
(52°F)		 6°C
(43°F)		 2°C
(37°F)		 -2°C
(30°F)
Average low -6°C
(22°F)		 -8°C
(19°F)		 -5°C
(23°F)		 -1°C
(30°F)		 4°C
(39°F)		 10°C
(51°F)		 12°C
(54°F)		 11°C
(52°F)		 7°C
(45°F)		 3°C
(38°F)		 0°C
(33°F)		 -3°C
(26°F)
Mean minimum -18°C
(-1°F)		 -19°C
(-2°F)		 -17°C
(2°F)		 -9°C
(15°F)		 -4°C
(25°F)		 4°C
(40°F)		 6°C
(44°F)		 5°C
(41°F)		 -0°C
(31°F)		 -5°C
(23°F)		 -7°C
(19°F)		 -10°C
(14°F)
Minimum -26°C
(-14°F)		 -26°C
(-14°F)		 -26°C
(-15°F)		 -14°C
(8°F)		 -6°C
(21°F)		 1°C
(35°F)		 4°C
(40°F)		 4°C
(40°F)		 -4°C
(25°F)		 -7°C
(19°F)		 -10°C
(14°F)		 -20°C
(-3°F)

Compare climate in Koski Tl with other places

Compare temperature, precipitation, sunshine, UV index in Koski Tl, Southwest Finland, Finland with other places around the world.

Monthly average precipitation in Koski Tl, Southwest Finland, Finland §

Koski Tl usually has the most precipitation in July, August and October, with an average of 13 rainy days and 83 mm (3.3 inches) of precipitation per month.The driest months in Koski Tl are February, March and April. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Koski Tl, Southwest Finland, 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) 41 (1.6) 59 (2.3) 59 (2.3) 83 (3.3) 88 (3.5) 62 (2.4) 77 (3.0) 52 (2.1) 67 (2.6)
Average precipitation days (≥ 1 mm) 11 9 11 11 11 8 11 13 12 15 10 13

Monthly sunshine hours in Koski Tl, Southwest Finland, Finland §

The sunniest months in Koski Tl are May, June and July, when the sun shines an average of 15 hours 29 minutes a day.Least sunny months in Koski Tl: January, November and December receive an average of 2 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Koski Tl, Southwest Finland, 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 54 153 264 355 451 491 481 414 295 186 110 57
Mean daily daylight hours 6h 37m 9h 4m 11h 51m 14h 42m 17h 22m 18h 56m 18h 5m 15h 36m 12h 48m 10h 0m 7h 21m 5h 47m

Solar UV radiation in Koski Tl, Southwest Finland, Finland §

Koski Tl 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 Koski Tl UV Index data.

Average daily maximum UV levels by month for Koski Tl, Southwest Finland, 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 7 7 5 4 2 1 1