Uddevalla climate — normals and trends
Uddevalla (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.0 °C and it receives 861 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (16.6 °C on average) and the coldest is February (-2.0 °C). Rainfall peaks in August.
Uddevalla averages 104 frost days, 1 hot days (≥ 30 °C) and 140 rainy days per year.
Uddevalla has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 120 to 88 per year over the period.
The hottest day of the period reached 33.5 °C (on 13 July 1941) and the coldest -26.4 °C (on 10 February 1940).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
UddevallaVästra Götaland County
- coords
- 58.35°, 11.94°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.0°C
Average daily high
10.2°C
Average daily low
3.8°C
Annual rainfall
861mm
Sunshine / day
7.9h
Mean relative humidity
81%
Average peak wind
17.1km/h
Seasonal range
18.6°C
Frost days (< 0 °C)
104 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
83.0 cm
Average feels-like high
7.4 °C
Average feels-like low
0.7 °C
Average peak gust
38.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.26 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
33.5 °C
13 July 1941
Coldest day
-26.4 °C
10 February 1940
Wettest day
42 mm
16 October 2014
Windiest day
51.7 km/h
22 September 1969
Strongest gust
124.2 km/h
14 January 2007
Hottest feels-like
35.2 °C
8 August 1975
Coldest feels-like
-31.9 °C
10 February 1940
Snowiest day
21.8 cm
4 April 1998
Sunniest day
17.4 h
29 June 2018
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 3.1 °C | +2.8 °C | 108 mm | +47 mm |
| Feb | 2.6 °C | +2.0 °C | 33 mm | -14 mm |
| Mar | 8.0 °C | +3.6 °C | 22 mm | -23 mm |
| Apr | 13.6 °C | +3.9 °C | 26 mm | -27 mm |
| May | 15.0 °C | -0.3 °C | 43 mm | -23 mm |
| Jun | 18.4 °C | -0.4 °C | 79 mm | -8 mm |
| Jul | 23.4 °C | +2.9 °C | 100 mm | +0 mm |
| Aug | 19.9 °C | +0.2 °C | 68 mm | -35 mm |
| Sep | 17.5 °C | +1.8 °C | 112 mm | +28 mm |
| Oct | 11.5 °C | +1.0 °C | 80 mm | +1 mm |
| Nov | 6.1 °C | +1.0 °C | 74 mm | +4 mm |
| Dec | 5.2 °C | +3.2 °C | 72 mm | +6 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Uddevalla?
Uddevalla has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.0 °C and it receives 861 mm of precipitation per year.
What is the hottest day ever recorded in Uddevalla?
The hottest day measured in Uddevalla between 1940 and 2025 was 13 July 1941, reaching 33.5 °C.
What is the coldest day in Uddevalla?
The coldest day measured in Uddevalla between 1940 and 2025 was 10 February 1940, at -26.4 °C.
Does it snow in Uddevalla?
Yes. Uddevalla gets on average 83.0 cm of snow per year and has around 104 frost days.
Has the climate of Uddevalla warmed?
Yes: Uddevalla warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Uddevalla?
The wettest day measured in Uddevalla between 1940 and 2025 was 16 October 2014, with 42 mm of rain in 24 hours.
What was the windiest day in Uddevalla?
The windiest day measured in Uddevalla between 1940 and 2025 was 22 September 1969, with winds reaching 51.7 km/h.
What is the warmest month in Uddevalla?
The warmest month in Uddevalla is July (16.6 °C on average); the coldest is February (-2.0 °C).
How much does it rain in Uddevalla?
Uddevalla receives on average 861 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Uddevalla?
Uddevalla gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Uddevalla?
The heaviest 24-hour snowfall measured in Uddevalla between 1940 and 2025 was 4 April 1998, with 21.8 cm.
Are there tropical nights in Uddevalla?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Uddevalla.
What was the most extreme apparent temperature in Uddevalla?
In Uddevalla, between 1940 and 2025, the highest apparent temperature reached 35.2 °C on 8 August 1975, and the lowest was -31.9 °C on 10 February 1940.
Compare Uddevalla with another city
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Nearby cities
The climate around Uddevalla