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Monthly climate in Trollhaettan, Västra Götaland, Sweden

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Trollhaettan features a oceanic climate (Cfb).Temperatures typically range between 1 °C (33 °F) and 17 °C (64 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 847 mm (33.3 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Trollhaettan enjoys an average of 3481 hours of sunshine throughout the year, and daylight varies from 6 hours 30 minutes to 18 hours 6 minutes per day.

Monthly average temperatures in Trollhaettan, Västra Götaland, Sweden §

The warmest months in Trollhaettan are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (62 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 2 °C (33 - 35 °F) throughout the day. On average each year, Trollhaettan experiences 14 days above 25 °C (77.0 °F) and 81 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Trollhaettan, Västra Götaland, Sweden.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 9°C
(49°F)		 14°C
(57°F)		 13°C
(57°F)		 21°C
(70°F)		 28°C
(83°F)		 30°C
(86°F)		 33°C
(92°F)		 33°C
(92°F)		 23°C
(74°F)		 20°C
(68°F)		 15°C
(59°F)		 10°C
(50°F)
Mean maximum 8°C
(46°F)		 9°C
(48°F)		 11°C
(53°F)		 19°C
(66°F)		 23°C
(74°F)		 25°C
(77°F)		 28°C
(82°F)		 27°C
(80°F)		 21°C
(71°F)		 16°C
(62°F)		 12°C
(54°F)		 9°C
(48°F)
Average high 3°C
(38°F)		 3°C
(37°F)		 6°C
(43°F)		 11°C
(52°F)		 16°C
(60°F)		 21°C
(69°F)		 22°C
(71°F)		 20°C
(68°F)		 16°C
(61°F)		 11°C
(53°F)		 7°C
(44°F)		 3°C
(38°F)
Daily mean 1°C
(34°F)		 1°C
(33°F)		 3°C
(37°F)		 6°C
(44°F)		 11°C
(53°F)		 16°C
(62°F)		 17°C
(64°F)		 16°C
(62°F)		 13°C
(55°F)		 9°C
(48°F)		 5°C
(41°F)		 2°C
(35°F)
Average low -1°C
(31°F)		 -2°C
(29°F)		 -1°C
(31°F)		 2°C
(36°F)		 7°C
(44°F)		 12°C
(54°F)		 13°C
(56°F)		 13°C
(55°F)		 10°C
(50°F)		 6°C
(43°F)		 3°C
(37°F)		 -0°C
(32°F)
Mean minimum -9°C
(16°F)		 -10°C
(15°F)		 -7°C
(20°F)		 -4°C
(25°F)		 1°C
(34°F)		 7°C
(46°F)		 9°C
(48°F)		 8°C
(47°F)		 4°C
(40°F)		 -1°C
(30°F)		 -6°C
(21°F)		 -8°C
(19°F)
Minimum -13°C
(8°F)		 -18°C
(-1°F)		 -14°C
(7°F)		 -6°C
(22°F)		 -1°C
(31°F)		 6°C
(43°F)		 8°C
(46°F)		 7°C
(45°F)		 1°C
(34°F)		 -4°C
(25°F)		 -12°C
(11°F)		 -11°C
(13°F)

Compare climate in Trollhaettan with other places

Compare temperature, precipitation, sunshine, UV index in Trollhaettan, Västra Götaland, Sweden with other places around the world.

Monthly average precipitation in Trollhaettan, Västra Götaland, Sweden §

Trollhaettan usually has the most precipitation in August, September and October, with an average of 15 rainy days and 94 mm (3.7 inches) of precipitation per month.The driest months in Trollhaettan are January, March and April. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Trollhaettan, Västra Götaland, Sweden.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) 48 (1.9) 64 (2.5) 61 (2.4) 36 (1.4) 68 (2.7) 70 (2.8) 85 (3.3) 97 (3.8) 90 (3.5) 95 (3.7) 67 (2.6) 65 (2.6)
Average precipitation days (≥ 1 mm) 9 10 10 7 13 10 12 16 14 15 14 14

Monthly sunshine hours in Trollhaettan, Västra Götaland, Sweden §

The sunniest months in Trollhaettan are May, June and July, when the sun shines an average of 15 hours 5 minutes a day.Least sunny months in Trollhaettan: January, November and December receive an average of 3 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Trollhaettan, Västra Götaland, Sweden.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 88 173 274 376 443 468 477 408 303 241 133 92
Mean daily daylight hours 7h 13m 9h 21m 11h 52m 14h 26m 16h 47m 18h 6m 17h 23m 15h 14m 12h 44m 10h 11m 7h 50m 6h 30m

Solar UV radiation in Trollhaettan, Västra Götaland, Sweden §

Trollhaettan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 7, which corresponds to the 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 Trollhaettan UV Index data.

Average daily maximum UV levels by month for Trollhaettan, Västra Götaland, Sweden.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 6 4 2 1 1