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Contents
- The climate of Uddevalla
- The best time to visit Uddevalla
- The worst time to visit Uddevalla
- Spring weather in Uddevalla
- Summer weather in Uddevalla
- Autumn weather in Uddevalla
- Winter weather in Uddevalla
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Uddevalla
Situated in the Marine West Coast warm summer zone, Uddevalla, Sweden, subscribes to a Cfb Köppen climate classification. This Nordic city experiences modest temperature excursions throughout the year, oscillating between a January low of minus 2.5°C (36.5°F) and a July high of 20.8°C (69.4°F). The rest of the year sees a gentle undulation in temperatures, with the mercury gradually rising and falling but seldom reaching extreme scales.
Rainfall in Uddevalla does not follow a seasonal rhythm, being fairly evenly dispersed throughout the year, although there is a minor increase in precipitation from June to October. Starting from 37mm (1.46") in January, it peaks at 58mm (2.28") in August before settling back to around 50mm (1.97") in the autumn leading up to November, then gradually declining to 47mm (1.85") in December. The city experiences precipitation for an average of 10 to 18 days each month, with the number of rainy days marginally increasing as the year progresses.
A defining feature of Uddevalla's climate is its snowfall. Significant snowfall is registered in the winter months from November to March, peaking at 68mm (2.68") in January. While snow is principally a winter phenomenon, the city experiences some snowfall in April and October as well.
Uddevalla's daylight hours assume a clear seasonal pattern: increasing from January’s low of 7.3 hours to a high of 18.2 hours in June, and gradually reducing towards year-end. The city basks under the sun for about 3.2 to 10.7 hours daily, and the sunshine duration tends to thin out in the colder months.
Rainfall in Uddevalla does not follow a seasonal rhythm, being fairly evenly dispersed throughout the year, although there is a minor increase in precipitation from June to October. Starting from 37mm (1.46") in January, it peaks at 58mm (2.28") in August before settling back to around 50mm (1.97") in the autumn leading up to November, then gradually declining to 47mm (1.85") in December. The city experiences precipitation for an average of 10 to 18 days each month, with the number of rainy days marginally increasing as the year progresses.
A defining feature of Uddevalla's climate is its snowfall. Significant snowfall is registered in the winter months from November to March, peaking at 68mm (2.68") in January. While snow is principally a winter phenomenon, the city experiences some snowfall in April and October as well.
Uddevalla's daylight hours assume a clear seasonal pattern: increasing from January’s low of 7.3 hours to a high of 18.2 hours in June, and gradually reducing towards year-end. The city basks under the sun for about 3.2 to 10.7 hours daily, and the sunshine duration tends to thin out in the colder months.
The best time to visit Uddevalla
Given Uddevalla's climate characteristics, the best visiting period would arguably be from late spring through to early autumn, characterized by moderate to warm temperatures. During these months, from May to September, visitors can expect comfortable weather with daytime temperatures rising to between 15.1°C (59.2°F) and 20.8°C (69.4°F). Of these months, July appears especially inviting, the temperature cresting at a pleasant 20.8°C (69.4°F), coupled with a generous stretch of daylight extending for 17.5 hours.
The worst time to visit Uddevalla
Considering the climatic parameters, prospective visitors may want to avoid the winter months of December through February. These months witness the coldest temperatures, reaching a nadir of minus 2.8°C (37°F) in February. The sightseeing experience may also be muted on account of reduced sunlight, as the city sees short daylight periods, bottoming out at 6.5 hours in December.
Spring weather in Uddevalla
Spring in Uddevalla ushers in a warming trend, with temperatures rising from 4.6°C (40.3°F) in March to a comfortable 15.1°C (59.2°F) in May. Rainfall remains within a manageable 23mm (0.91") to 35mm (1.38") band, suggesting the weather during this period may not be dampened by heavy downpours. There's ample sunlight in the offing too, with 14.4 to 16.8 hours of daylight in a day, and a corresponding increase in sunshine hours from 5.5 to 9.1.
Summer weather in Uddevalla
Summer months from June to August are characterized by the highest temperatures, ranging from 18.6°C (65.5°F) to 20.8°C (69.4°F). Accompanying this warm stretch, however, is an increased incidence of rainfall, peaking at 58mm (2.28") in August. June claims the title for maximum daylight with 18.2 hours in a day. Despite increased rainfall, there are significant sunshine hours, from 10.2 hours in June to 9 hours in August.
Autumn weather in Uddevalla
Autumn in Uddevalla sees temperatures descending from a fine 15.8°C (60.4°F) in September to a cooler 5.6°C (42.1°F) by November. Rainfall in this period however rises slightly from September’s 43mm (1.69"), peaking to 53mm (2.09") in October before settling back to 42mm (1.65") in November. The season also observes reduced daylight hours, from 12.8 hours in September to 7.9 in November.
Winter weather in Uddevalla
Winter truly sets in December-February when temperatures range from minus 2.5°C (36.5°F) to 2.5°C (36.5°F). Correspondingly, the daylight hours contract to between 6.5 and 7.3 hours. Rainfall is relatively stable, between 42mm (1.65") and 47mm (1.85") across these months. The hallmark of Uddevalla's wintry landscape is its fair amount of snowfall, ranging from 41mm (1.61") in December to 68mm (2.68") in January, and falling back to a moderate 61mm (2.4") in February.
Weather in January
Uddevalla, Sweden's winter comes into full swing in January. Temperature ranges from a low of -2.5°C (27.5°F) to a high of 0.8°C (33.4°F). The chilly environment is accompanied by high humidity and often complemented by snowfall. Weather in January »
Weather in February
February experiences similar weather conditions as January, however, the month experiences an increase in rainfall amounting to 42mm (1.65") with daylight hours edging up to a modest 9.4 hours. The least notable change from January, is the temperature, still hovering around the freezing point. Weather in February »
Weather in March
March is known as the transition period from winter to spring in Uddevalla. Temperatures start to climb slightly, while snowfall decreases considerably from 61mm (2.4") in February to 43mm (1.69"). Longer and sunnier days become a regular, hinting towards the upcoming spring season. Weather in March »
Weather in April
April is a sigh of relief as the harsh winter bid goodbye and Uddevalla enters the vibrant spring season. A notable rise in temperatures, 3.3°C (37.9°F) low to 10.4°C (50.7°F) high, allows the snow to melt away and flowers to bloom. Weather in April »
Weather in May
May is when the temperatures continue to rise and weather becomes rather comfortable in Uddevalla. With an increase in average high temperatures to 15.1°C (59.2°F), the city witnesses a shift in weather patterns. More sunshine hours also become available, making it perfect for outdoor activities. Weather in May »
Weather in June
June brings about the long-awaited summer in Uddevalla with the highest daylight hours of 18.2. The rise in average high temperature to 18.6°C (65.5°F) truly marks the arrival of summer. The month also witnesses an increase in humidity and rainfall which is often dispersed and short-lived. Weather in June »
Weather in July
July marks the peak of summer in Uddevalla with the temperatures soaring to a high of 20.8°C (69.4°F).[[However, it’s also the wettest month of the year with a substantial rainfall amount of 50mm (1.97") spread across 18.1 days.]]Swimming, tanning, and other beach activities become popular during this period. Weather in July »
Weather in August
August continues to savor the last bits of Uddevalla’s summer, even though there is a slight drop in temperatures compared to July. An interesting fact about August is that it has the highest humidity among all months. The ambient warmth entices locals and tourists to celebrate the last phase of summer by participating in various outdoor activities. Weather in August »
Weather in September
September is the month when Uddevalla begins its transition towards the colder seasons, with a noticeable decrease in high temperatures dropping to 15.8°C (60.4°F). The nights, especially, start to get chilly, signalling the onset of autumn. Weather in September »
Weather in October
October marks the beginning of the cold season in Uddevalla, with temperatures sinking further to a high of only 10.3°C (50.5°F). Yet, this brisk weather is paired with beautiful foliage as the trees shed their colored leaves. Weather in October »
Weather in November
November is when winter starts knocking on the doors of Uddevalla. A significant decrease in maximum temperature to 5.6°C (42.1°F) and an increase in the number of rainfall days make the environment colder. The colors of autumn slowly fade, and a thin layer of frost begins to appear in mornings as a sign for imminent winter snow. Weather in November »
Weather in December
The final month, December, invites the winter season in Uddevalla with a drastic drop in the maximum temperature to a chilly 2.5°C (36.5°F). Snowfall becomes a regular chore with 41mm (1.61") spread across 6.5 days. Shorter daylight hours and reduced sunshine characterize the winter solstice period. 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
What time of the year is the coldest in Uddevalla?
January tends to be the coldest month in Uddevalla, with temperatures averaging a daily high of 0.8°C (33.4°F) and a low of -2.5°C (27.5°F).
How many days does it rain in Uddevalla?
In Uddevalla, Sweden, during the entire year, the rain falls for 170 days and collects up to 507mm (19.96") of precipitation.
When does it snow in Uddevalla?
Months with snowfall in Uddevalla are January through May, October through December.
What is the snowiest month in Uddevalla?
January is the month with the most snowfall in Uddevalla, Sweden. Snow falls for 9.8 days and accumulates 68mm (2.68") of snow.
How much does it snow in Uddevalla?
Throughout the year, in Uddevalla, there are 35.2 snowfall days, and 235mm (9.25") of snow is accumulated.
What is the month with the lowest UV index in Uddevalla?
With an average maximum UV index of 1, January is the month with the lowest UV index.
What is the most humid month in Uddevalla?
The most humid month in Uddevalla is February, with an average relative humidity of 89%.
What is the month with the least sunshine in Uddevalla?
February and December, with an average of 3.2h of sunshine, are months with the least sunshine.
What is the driest month in Uddevalla?
April is the month with the least rainfall in Uddevalla, Sweden. Rain falls for 11.3 days and accumulates 23mm (0.91") of precipitation.
What is the least humid month in Uddevalla?
May is the least humid month in Uddevalla, Sweden, with an average relative humidity of 72%.
When it does not snow in Uddevalla?
In Uddevalla, snow does not fall in June through September.
When are the longest days in Uddevalla?
With an average of 18h and 12min of daylight, June has the longest days of the year.
What month has the most sunshine in Uddevalla?
With an average of 10.7h of sunshine, June has the most sunshine of the year.
When is the highest UV index in Uddevalla?
June and July, with an average maximum UV index of 5, are months with the highest UV index.
What month is the hottest in Uddevalla?
In Uddevalla, July is known for its average highest temperatures, reaching a high of 20.8°C (69.4°F) and a low of 12.3°C (54.1°F).
What is the rainiest month in Uddevalla?
August is the month with the most rainfall in Uddevalla, Sweden. Rain falls for 18.3 days and accumulates 58mm (2.28") of precipitation.
When is Daylight Saving Time (DST) in Uddevalla?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Uddevalla, 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.
What is the month with the shortest days in Uddevalla?
The month with the shortest days is December, with an average of 6h and 30min of daylight.
Average temperature
Uddevalla, 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 (0.8°C).
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure
Uddevalla, Sweden
- Average pressure in January:
1011.1mbar - Average pressure in February:
1011.4mbar - Average pressure in March:
1012.4mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1014.3mbar - Average pressure in June:
1012.6mbar
- Average pressure in July:
1011.2mbar - Average pressure in August:
1012.2mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1013.9mbar - Average pressure in November:
1010.2mbar - Average pressure in December:
1008.3mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed
Uddevalla, Sweden
- Average wind speed in January:
14.7km/h - Average wind speed in February:
13.9km/h - Average wind speed in March:
13.9km/h - Average wind speed in April:
12.9km/h - Average wind speed in May:
12.4km/h - Average wind speed in June:
12.2km/h
- Average wind speed in July:
12.1km/h - Average wind speed in August:
12.2km/h - Average wind speed in September:
13.6km/h - Average wind speed in October:
14.3km/h - Average wind speed in November:
14.4km/h - Average wind speed in December:
15km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity
Uddevalla, Sweden
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (72%).
Average rainfall
Uddevalla, Sweden
The wettest month (with the highest rainfall) is August (58mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days
Uddevalla, Sweden
- Average rainfall days in January:
10.6 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
15 days - Average rainfall days in October:
17 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
14.2 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is February (9.4 days).
Average snowfall
Uddevalla, Sweden
The month with the highest snowfall is January (68mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Uddevalla, Sweden
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
9.9 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.2 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:
0.3 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is February (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Uddevalla, Sweden
- Average daylight in January:
7h and 2min - Average daylight in February:
9h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 2min - Average daylight in May:
16h and 5min - Average daylight in June:
18h and 1min
- Average daylight in July:
17h and 3min - Average daylight in August:
15h and 2min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 2min - Average daylight in November:
7h and 5min - Average daylight in December:
6h and 3min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 0min - Average sunshine in September:
7h and 3min - Average sunshine in October:
4h and 1min - Average sunshine in November:
3h and 2min - Average sunshine in December:
3h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days
Uddevalla, Sweden
- Average sunshine days in January:
12.4 days - Average sunshine days in February:
11.4 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
11.8 days - Average sunshine days in October:
12.1 days - Average sunshine days in November:
11 days - Average sunshine days in December:
10.9 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is August (10.3 days).
Average UV index
Uddevalla, 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
Uddevalla, Sweden
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June and July (Cloud cover 41).
Average visibility
Uddevalla, 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).
Uddevalla, Sweden
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