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Monthly climate in Vaasa, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Vaasa features a subarctic climate (Dfc).Temperatures typically range between -5 °C (24 °F) and 17 °C (63 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 671 mm (26.4 inches) and receives 126 rainy days on the 1 mm (0.04 inches) threshold annually.Vaasa enjoys an average of 3383 hours of sunshine throughout the year, and daylight varies from 4 hours 50 minutes to 20 hours 6 minutes per day.

Monthly average temperatures in Vaasa, Finland §

The warmest months in Vaasa are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (59 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (24 - 29 °F) throughout the day. On average each year, Vaasa experiences 8 days above 25 °C (77.0 °F) and 134 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Vaasa, 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
(47°F)		 7°C
(44°F)		 10°C
(49°F)		 21°C
(70°F)		 25°C
(78°F)		 29°C
(85°F)		 32°C
(90°F)		 29°C
(85°F)		 24°C
(75°F)		 17°C
(64°F)		 12°C
(53°F)		 6°C
(43°F)
Mean maximum 5°C
(41°F)		 4°C
(40°F)		 7°C
(45°F)		 15°C
(58°F)		 22°C
(72°F)		 24°C
(76°F)		 28°C
(82°F)		 25°C
(78°F)		 20°C
(69°F)		 14°C
(58°F)		 9°C
(48°F)		 5°C
(41°F)
Average high -1°C
(30°F)		 -2°C
(29°F)		 1°C
(35°F)		 6°C
(44°F)		 12°C
(54°F)		 19°C
(66°F)		 21°C
(70°F)		 19°C
(66°F)		 14°C
(58°F)		 8°C
(47°F)		 4°C
(39°F)		 -0°C
(32°F)
Daily mean -3°C
(26°F)		 -5°C
(24°F)		 -1°C
(30°F)		 3°C
(37°F)		 8°C
(47°F)		 15°C
(59°F)		 17°C
(63°F)		 15°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)		 2°C
(36°F)		 -2°C
(29°F)
Average low -6°C
(22°F)		 -8°C
(19°F)		 -5°C
(24°F)		 -1°C
(31°F)		 4°C
(39°F)		 10°C
(50°F)		 12°C
(54°F)		 11°C
(53°F)		 8°C
(46°F)		 4°C
(39°F)		 0°C
(32°F)		 -4°C
(26°F)
Mean minimum -17°C
(2°F)		 -18°C
(-0°F)		 -16°C
(3°F)		 -7°C
(19°F)		 -2°C
(29°F)		 5°C
(41°F)		 7°C
(44°F)		 6°C
(42°F)		 1°C
(35°F)		 -5°C
(23°F)		 -8°C
(18°F)		 -12°C
(11°F)
Minimum -24°C
(-11°F)		 -22°C
(-8°F)		 -25°C
(-13°F)		 -13°C
(9°F)		 -4°C
(26°F)		 1°C
(34°F)		 5°C
(42°F)		 5°C
(41°F)		 -0°C
(32°F)		 -9°C
(17°F)		 -17°C
(2°F)		 -24°C
(-11°F)

Compare climate in Vaasa with other places

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

Monthly average precipitation in Vaasa, Finland §

Vaasa usually has the most precipitation in August, September and October, with an average of 13 rainy days and 81 mm (3.2 inches) of precipitation per month.The driest months in Vaasa are January, March and April. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Vaasa, 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) 38 (1.5) 43 (1.7) 41 (1.6) 39 (1.5) 42 (1.6) 57 (2.2) 59 (2.3) 84 (3.3) 75 (2.9) 84 (3.3) 57 (2.2) 53 (2.1)
Average precipitation days (≥ 1 mm) 9 7 11 7 7 10 10 13 13 15 10 14

Monthly sunshine hours in Vaasa, Finland §

The sunniest months in Vaasa are May, June and July, when the sun shines an average of 16 hours 0 minutes a day.Least sunny months in Vaasa: January, November and December receive an average of 2 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Vaasa, 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 47 148 274 362 462 508 500 430 298 200 104 44
Mean daily daylight hours 5h 53m 8h 43m 11h 50m 15h 0m 18h 6m 20h 6m 18h 59m 16h 1m 12h 53m 9h 46m 6h 44m 4h 50m

Solar UV radiation in Vaasa, Finland §

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

Average daily maximum UV levels by month for Vaasa, 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 3 5 6 6 5 3 2 1 1