Viken climate — normals and trends
Viken (Sweden) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.3 °C and it receives 823 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 (17.0 °C on average) and the coldest is February (0.2 °C). Rainfall peaks in August.
Viken averages 58 frost days, 0 hot days (≥ 30 °C) and 150 rainy days per year.
Viken has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 81 to 35 per year over the period.
The hottest day of the period reached 29.1 °C (on 31 July 2018) and the coldest -18.5 °C (on 10 January 1987).
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
VikenSkåne County
- coords
- 56.15°, 12.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.3°C
Average daily high
10.0°C
Average daily low
6.6°C
Annual rainfall
823mm
Sunshine / day
7.9h
Mean relative humidity
82%
Average peak wind
27.7km/h
Seasonal range
16.8°C
Frost days (< 0 °C)
58 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
49.5 cm
Average feels-like high
6.5 °C
Average feels-like low
2.2 °C
Average peak gust
41.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.45 · 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
29.1 °C
31 July 2018
Coldest day
-18.5 °C
10 January 1987
Wettest day
63 mm
22 September 1967
Windiest day
81.8 km/h
8 January 2005
Strongest gust
132.5 km/h
28 October 2013
Hottest feels-like
30.6 °C
10 August 1975
Coldest feels-like
-27.4 °C
25 January 1942
Snowiest day
12.6 cm
10 April 1970
Sunniest day
16.8 h
28 June 1940
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 | 4.4 °C | +2.6 °C | 91 mm | +30 mm |
| Feb | 2.8 °C | +1.2 °C | 22 mm | -26 mm |
| Mar | 7.1 °C | +3.3 °C | 22 mm | -25 mm |
| Apr | 11.3 °C | +3.4 °C | 14 mm | -31 mm |
| May | 13.6 °C | +0.6 °C | 55 mm | +1 mm |
| Jun | 17.5 °C | +0.6 °C | 85 mm | +14 mm |
| Jul | 20.7 °C | +1.8 °C | 99 mm | +11 mm |
| Aug | 19.3 °C | +0.4 °C | 57 mm | -42 mm |
| Sep | 17.8 °C | +2.1 °C | 101 mm | +16 mm |
| Oct | 12.3 °C | +1.3 °C | 112 mm | +32 mm |
| Nov | 7.6 °C | +1.1 °C | 71 mm | -4 mm |
| Dec | 6.3 °C | +2.8 °C | 44 mm | -26 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 Viken?
Viken has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.3 °C and it receives 823 mm of precipitation per year.
What is the hottest day ever recorded in Viken?
The hottest day measured in Viken between 1940 and 2025 was 31 July 2018, reaching 29.1 °C.
What is the coldest day in Viken?
The coldest day measured in Viken between 1940 and 2025 was 10 January 1987, at -18.5 °C.
Does it snow in Viken?
Yes. Viken gets on average 49.5 cm of snow per year and has around 58 frost days.
Has the climate of Viken warmed?
Yes: Viken warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Viken?
The wettest day measured in Viken between 1940 and 2025 was 22 September 1967, with 63 mm of rain in 24 hours.
What was the windiest day in Viken?
The windiest day measured in Viken between 1940 and 2025 was 8 January 2005, with winds reaching 81.8 km/h.
What is the warmest month in Viken?
The warmest month in Viken is July (17.0 °C on average); the coldest is February (0.2 °C).
How much does it rain in Viken?
Viken receives on average 823 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in Viken?
Viken 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 Viken?
The heaviest 24-hour snowfall measured in Viken between 1940 and 2025 was 10 April 1970, with 12.6 cm.
Are there tropical nights in Viken?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Viken.
What was the most extreme apparent temperature in Viken?
In Viken, between 1940 and 2025, the highest apparent temperature reached 30.6 °C on 10 August 1975, and the lowest was -27.4 °C on 25 January 1942.
Compare Viken with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Viken