nomadseason

Monthly climate in Pertteli, Southwest Finland, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Pertteli features a humid continental climate (Dfb).Temperatures typically range between -4 °C (25 °F) and 18 °C (64 °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 711 mm (28.0 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Pertteli enjoys an average of 3404 hours of sunshine throughout the year, and daylight varies from 5 hours 50 minutes to 18 hours 53 minutes per day.

Monthly average temperatures in Pertteli, Southwest Finland, Finland §

The warmest months in Pertteli are June, July and August, with daily mean temperatures ranging from 16 to 18 °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 -1 °C (25 - 30 °F) throughout the day. On average each year, Pertteli experiences 14 days above 25 °C (77.0 °F) and 133 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Pertteli, 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
(47°F)		 7°C
(45°F)		 13°C
(55°F)		 21°C
(69°F)		 27°C
(81°F)		 31°C
(89°F)		 32°C
(90°F)		 30°C
(86°F)		 23°C
(74°F)		 17°C
(63°F)		 13°C
(56°F)		 6°C
(44°F)
Mean maximum 5°C
(40°F)		 5°C
(41°F)		 10°C
(51°F)		 16°C
(61°F)		 23°C
(75°F)		 25°C
(77°F)		 29°C
(84°F)		 26°C
(78°F)		 21°C
(70°F)		 15°C
(59°F)		 11°C
(51°F)		 6°C
(42°F)
Average high -1°C
(31°F)		 -1°C
(30°F)		 3°C
(37°F)		 8°C
(47°F)		 14°C
(58°F)		 21°C
(70°F)		 22°C
(72°F)		 20°C
(69°F)		 15°C
(59°F)		 9°C
(48°F)		 5°C
(41°F)		 0°C
(33°F)
Daily mean -3°C
(27°F)		 -4°C
(25°F)		 -1°C
(31°F)		 4°C
(39°F)		 10°C
(50°F)		 16°C
(62°F)		 18°C
(64°F)		 16°C
(61°F)		 11°C
(53°F)		 6°C
(44°F)		 3°C
(37°F)		 -1°C
(30°F)
Average low -5°C
(23°F)		 -7°C
(20°F)		 -5°C
(24°F)		 -1°C
(31°F)		 4°C
(40°F)		 11°C
(51°F)		 13°C
(55°F)		 12°C
(53°F)		 8°C
(46°F)		 4°C
(39°F)		 1°C
(34°F)		 -3°C
(27°F)
Mean minimum -18°C
(-1°F)		 -18°C
(-1°F)		 -16°C
(3°F)		 -9°C
(17°F)		 -3°C
(26°F)		 5°C
(41°F)		 7°C
(45°F)		 6°C
(42°F)		 0°C
(32°F)		 -5°C
(24°F)		 -7°C
(20°F)		 -10°C
(14°F)
Minimum -25°C
(-13°F)		 -25°C
(-13°F)		 -24°C
(-12°F)		 -13°C
(9°F)		 -6°C
(22°F)		 2°C
(35°F)		 4°C
(40°F)		 5°C
(41°F)		 -3°C
(26°F)		 -7°C
(20°F)		 -10°C
(15°F)		 -20°C
(-4°F)

Compare climate in Pertteli with other places

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

Monthly average precipitation in Pertteli, Southwest Finland, Finland §

Pertteli usually has the most precipitation in July, August and October, with an average of 12 rainy days and 81 mm (3.2 inches) of precipitation per month.The driest months in Pertteli 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 Pertteli, 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) 51 (2.0) 44 (1.7) 48 (1.9) 38 (1.5) 56 (2.2) 52 (2.1) 79 (3.1) 85 (3.3) 59 (2.3) 78 (3.1) 53 (2.1) 68 (2.7)
Average precipitation days (≥ 1 mm) 11 9 11 10 11 8 9 13 12 15 10 14

Monthly sunshine hours in Pertteli, Southwest Finland, Finland §

The sunniest months in Pertteli are May, June and July, when the sun shines an average of 15 hours 38 minutes a day.Least sunny months in Pertteli: January, November and December receive an average of 2 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Pertteli, 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 60 157 267 369 457 494 487 418 306 201 121 64
Mean daily daylight hours 6h 40m 9h 5m 11h 51m 14h 41m 17h 19m 18h 53m 18h 2m 15h 34m 12h 48m 10h 1m 7h 22m 5h 50m

Solar UV radiation in Pertteli, Southwest Finland, Finland §

Pertteli 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, November and December 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 Pertteli UV Index data.

Average daily maximum UV levels by month for Pertteli, 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 2 3 4 5 7 7 5 4 2 1 1