Climate and monthly weather forecastTrollhättan, Sweden
Climate and monthly weather forecast
The climate of Trollhättan
Trollhättan, a city in Sweden, experiences prevailing climate conditions typical of the Marine west coast, warm summer, identified by the Köppen climate classification as Cfb. Throughout the year, it experiences a generous variation of weather conditions with notable levels of precipitation and lower temperatures prevalent during winter.With temperature variations spanning from -2.4°C (27.7°F) in winter lows to 20.8°C (69.4°F) in summer highs, this city's climate features a broad range of temperatures, reflecting its geographical position. Relative humidity stays constant, fluctuating between 71% and 88%, while rainfall measures from a yearly low of 22mm (0.87") to a high of 55mm (2.17"), distinctly marking each season.
Pressure sees a slight fluctuation, ranging from 1011.2mb to 1014.4mb, while wind speed measures between 12km/h (7.5mph) to 14.9km/h (9.3mph). The daylight hours range from 6.5 in December to 18.2 in June, while sunshine hours see the low of 3.2 to the high of 10.8 during the same period.
Unique weather patterns surface throughout the year, as evident from the snowfall recorded from 59mm (2.32") in December to none at all in June through September. Also of note is the heightened rainfall and cloud percentage recorded during Autumn.
The best time to visit Trollhättan
When considering a visit, June stands out as it boasts the longest daylight hours combined with the highest temperature, reaching up to 18.8°C (65.8°F). Accompanied by the highest level of sunshine at 10.8 hours, June provides an ideal condition for outdoor activities and sightseeing. It also delivers one of the highest UV indices of the year and the longest daylight hours, encouraging those looking to indulge in sunny climates.The worst time to visit Trollhättan
On the other side, December signals a shift in weather conditions as Trollhättan enters into its winter phase. Characterized by the lowest daylight hours, dipping to an average of 6.5, December tends to deter visitors with its low visibility, high snowfall of 59mm (2.32"), and minimum temperature, reaching down to -1.3°C (29.7°F). Despite its charm and serene snowy landscapes, this month may not be the best choice for tourists unaccustomed to harsh winters.Spring weather in Trollhättan
March forms the turning point for weather conditions as Trollhättan transitions from winter to Spring. The average temperature hovers around 4.9°C (40.8°F), which gradually rises into the Spring months. Precipitation levels also rise moderately, ranging in the light spectrum from 22mm (0.87") to 37mm (1.46"), accompanied by a relative humidity level of 83%.Summer weather in Trollhättan
The Summer months offer the most daylight hours and sunshine for visitors. Average temperature jumps to 18.8°C (65.8°F) by June, with a peak in daylight hours up to 18.2 and the maximum sunshine hours at 10.8. However, it's worth noting that summer also brings the highest rainfall, reaching up to 54mm (2.13"). Despite this, the summer months offer the most pleasant and diverse weather conditions in Trollhättan.Autumn weather in Trollhättan
Autumn comes bringing cloudy conditions, with the cloud percentage peaking at 66%. Rainfall reaches a yearly high of 55mm (2.17"), with moderate temperatures ranging from 15.9°C (60.6°F) to 5.5°C (41.9°F). Alongside these, daylight hours start to decrease, averaging at 12.8 hours in September, indicating the gradual transition into winter.Winter weather in Trollhättan
Winter brings the lowest temperatures of the year, dropping to -2.4°C (27.7°F). Snowfall ranges from 6mm (0.24") to 59mm (2.32") during these chilly months, creating wintery landscapes of undeniable beauty. Daylight hours reach their lowest point at around 6.5 hours on average. Despite being the cold period, this season can provide an intimate and serene atmosphere for those who appreciate snowy settings.Weather in January
January in Trollhättan, Sweden, displays a traditionally winter climate with an average high temperature of 0.6°C (33.1°F) and a potentially chilling low of -2.4°C (27.7°F). This month also experiences the least daylight, making for long, cold nights. Weather in January »Weather in February
February follows January with similar cold conditions, however, the chill does lessen slightly. The average snowfall decreases to 73mm (2.87"), hinting at the upcoming arrival of Spring. The wintry blanket of snow begins to slowly thaw, revealing glimpses of Trollhättan's terrain underneath. Weather in February »Weather in March
March is a time of transition in Trollhättan with the end of winter and the beginning of a much-awaited spring. Average high temperatures rise to 4.9°C (40.8°F), and snowfall diminishes to 59mm (2.32"), offering a reprieve from the freezing cold of the past months. Weather in March »Weather in April
April witnesses a remarkable change in weather as Trollhättan transitions deeper into spring. Temperatures rise into the double digits with an average high temperature of 10.6°C (51.1°F). The city's natural beauty is in full bloom, completely transforming the once-snowy landscape into a colorful panorama. Weather in April »Weather in May
With an average high temperature of 15.3°C (59.5°F), May fuels the advent of summer. This period is ideal for city tours, with longer daylight hours and a scenic landscape. Every corner of Trollhättan brims with the vibrant colors of Spring, making for picturesque views. Weather in May »Weather in June
June marks the beginning of summer in Trollhättan. With an average high temperature of 18.8°C (65.8°F), the city basks in the warmth. Sunshine reigns over Trollhättan for the longest duration in the year, around 18.2 hours. The summer solstice, the longest day of the year, takes place in June, making it a special time in Trollhättan. Weather in June »Weather in July
In Trollhättan, July is the warmest month of the year on average with temperatures peaking at 20.8°C (69.4°F). Evenings are pleasantly cool, with an average low temperature of 12.4°C (54.3°F). While locals and tourists indulge in various summer activities, rainfall provides relief from the summer heat. Weather in July »Weather in August
August in Trollhättan is the last month of summer, experiencing high temperatures of 19.7°C (67.5°F) and maintaining rainfall levels around 55mm (2.17"). While the days are still long with about 15 hours of daylight, the decreasing duration of sunshine indicates an approaching Autumn. Weather in August »Weather in September
The arrival of September brings the beginning of Autumn in Trollhättan. Temperatures decrease with an average high of 15.9°C (60.6°F), indicating a transition towards colder months. The landscape gradually transforms again, showcasing its autumnal charm. Weather in September »Weather in October
In October, Trollhättan progresses further into the Autumn season, experiencing even cooler temperatures. As the leaves continue to change color, the city reflects various hues of orange and brown. The average high temperature drops further to 10.3°C (50.5°F). Weather in October »Weather in November
November in Trollhättan is characterized by cold weather as the city transitions into winter. The temperature drops further, with average highs reaching only 5.5°C (41.9°F). Evenings become particularly cold, signaling the near arrival of the icy Winter. Weather in November »Weather in December
Concluding the year, December in Trollhättan welcomes the winter season. The city is likely to be blanketed in snow, with an average of 59mm (2.32") snowfall and high temperature barely reaching 2.3°C (36.1°F). The landscapes change from their vibrant hues to a serene white, transforming everything into a winter wonderland. Weather in December »Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Trollhättan experiences its average lowest temperatures in January, reaching a peak of 0.6°C (33.1°F) and a minimum of -2.4°C (27.7°F).
The months with the highest humidity are January, February, November and December, with an average relative humidity of 88%.
Throughout the year, in Trollhättan, there are 170 rainfall days, and 502mm (19.76") of precipitation is accumulated.
January through May, October through December are months with snowfall in Trollhättan, Sweden.
The month with the most snowfall is January, when snow falls for 11.1 days and typically aggregates up to 80mm (3.15") of snow.
Throughout the year, there are 41.6 snowfall days, and 307mm (12.09") of snow is accumulated.
The month with the lowest UV index is January, with an average maximum UV index of 1.
February has the least sunshine of the year in Trollhättan, Sweden, with an average of 3.2h of sunshine.
April is the month with the least rainfall in Trollhättan. Rain falls for 11.5 days and accumulates 22mm (0.87") of precipitation.
May is the least humid month in Trollhättan, with an average relative humidity of 71%.
In Trollhättan, Sweden, snow does not fall in June through September.
With an average of 18h and 6min of daylight, June has the longest days of the year in Trollhättan, Sweden.
June has the most sunshine of the year, with an average of 10.8h of sunshine.
The months with the highest UV index in Trollhättan are June and July, with an average maximum UV index of 5.
Trollhättan experiences its highest temperatures in July, with an average peak of 20.8°C (69.4°F) and a low of 12.4°C (54.3°F).
The month with the most rainfall is August, when the rain falls for 18.9 days and typically aggregates up to 55mm (2.17") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Trollhättan, Sweden, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The month with the shortest days is December, with an average of 6h and 30min of daylight.
Average temperature
Trollhättan, Sweden
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (0.6°C).
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure
Trollhättan, Sweden
- Average pressure in January:
1011.2mbar - Average pressure in February:
1011.5mbar - Average pressure in March:
1012.5mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1014.4mbar - Average pressure in June:
1012.6mbar
- Average pressure in July:
1011.3mbar - Average pressure in August:
1012.4mbar - Average pressure in September:
1013.5mbar - Average pressure in October:
1014mbar - Average pressure in November:
1010.3mbar - Average pressure in December:
1008.4mbar
The months with the highest atmospheric pressure are April and May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed
Trollhättan, Sweden
- Average wind speed in January:
14.7km/h - Average wind speed in February:
14.1km/h - Average wind speed in March:
13.8km/h - Average wind speed in April:
12.9km/h - Average wind speed in May:
12.3km/h - Average wind speed in June:
12km/h
- Average wind speed in July:
12km/h - Average wind speed in August:
12.2km/h - Average wind speed in September:
13.5km/h - Average wind speed in October:
14.3km/h - Average wind speed in November:
14.5km/h - Average wind speed in December:
14.9km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are June and July (12km/h).
Average humidity
Trollhättan, Sweden
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall
Trollhättan, Sweden
The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days
Trollhättan, Sweden
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
18.9 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
14.7 days - Average rainfall days in December:
13.9 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (9.3 days).
Average snowfall
Trollhättan, Sweden
The month with the highest snowfall is January (80mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Trollhättan, Sweden
- Average snowfall days in January:
11.1 days - Average snowfall days in February:
11 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Trollhättan, Sweden
- Average daylight in January:
7h and 18min - Average daylight in February:
9h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 24min - Average daylight in May:
16h and 48min - Average daylight in June:
18h and 6min
- Average daylight in July:
17h and 30min - Average daylight in August:
15h and 18min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 18min - Average daylight in November:
7h and 54min - Average daylight in December:
6h and 30min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
3h and 12min - Average sunshine in March:
5h and 24min - Average sunshine in April:
8h and 42min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 0min - Average sunshine in September:
7h and 42min - Average sunshine in October:
4h and 12min - Average sunshine in November:
3h and 18min - Average sunshine in December:
3h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days
Trollhättan, Sweden
- Average sunshine days in January:
12.9 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
10 days - Average sunshine days in September:
12.3 days - Average sunshine days in October:
11.9 days - Average sunshine days in November:
10.6 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (9.5 days).
Average UV index
Trollhättan, Sweden
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Trollhättan, Sweden
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility
Trollhättan, Sweden
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
