Sunne climate — normals and trends
Sunne (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.5 °C and it receives 788 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 January (-4.8 °C). Rainfall peaks in August.
Sunne averages 134 frost days, 0 hot days (≥ 30 °C) and 131 rainy days per year.
Sunne has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 150 to 118 per year over the period.
The hottest day of the period reached 31.6 °C (on 3 August 1982) and the coldest -29.8 °C (on 10 February 1985).
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
SunneVärmland County
- coords
- 59.84°, 13.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.5°C
Average daily high
8.6°C
Average daily low
2.4°C
Annual rainfall
788mm
Sunshine / day
7.5h
Mean relative humidity
80%
Average peak wind
14.9km/h
Seasonal range
21.4°C
Frost days (< 0 °C)
134 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
131 d/yr
Annual snowfall
124.5 cm
Average feels-like high
5.7 °C
Average feels-like low
-0.7 °C
Average peak gust
33.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °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
31.6 °C
3 August 1982
Coldest day
-29.8 °C
10 February 1985
Wettest day
52 mm
12 July 2023
Windiest day
40.0 km/h
19 April 1980
Strongest gust
97.6 km/h
15 September 1994
Hottest feels-like
32.5 °C
3 August 1982
Coldest feels-like
-35.1 °C
10 January 1987
Snowiest day
17.6 cm
6 November 1971
Sunniest day
18.0 h
10 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 | 0.1 °C | +2.6 °C | 95 mm | +44 mm |
| Feb | 1.0 °C | +2.7 °C | 26 mm | -13 mm |
| Mar | 6.9 °C | +4.2 °C | 12 mm | -26 mm |
| Apr | 11.7 °C | +3.7 °C | 55 mm | +7 mm |
| May | 14.2 °C | +0.1 °C | 50 mm | -11 mm |
| Jun | 18.0 °C | -0.3 °C | 112 mm | +28 mm |
| Jul | 22.6 °C | +2.4 °C | 144 mm | +48 mm |
| Aug | 18.9 °C | 0.0 °C | 64 mm | -36 mm |
| Sep | 16.6 °C | +2.0 °C | 117 mm | +40 mm |
| Oct | 9.8 °C | +1.0 °C | 96 mm | +27 mm |
| Nov | 4.7 °C | +1.8 °C | 64 mm | -3 mm |
| Dec | 3.4 °C | +4.1 °C | 57 mm | -1 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 Sunne?
Sunne has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.5 °C and it receives 788 mm of precipitation per year.
What is the hottest day ever recorded in Sunne?
The hottest day measured in Sunne between 1940 and 2025 was 3 August 1982, reaching 31.6 °C.
What is the coldest day in Sunne?
The coldest day measured in Sunne between 1940 and 2025 was 10 February 1985, at -29.8 °C.
Does it snow in Sunne?
Yes. Sunne gets on average 124.5 cm of snow per year and has around 134 frost days.
Has the climate of Sunne warmed?
Yes: Sunne warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sunne?
The wettest day measured in Sunne between 1940 and 2025 was 12 July 2023, with 52 mm of rain in 24 hours.
What was the windiest day in Sunne?
The windiest day measured in Sunne between 1940 and 2025 was 19 April 1980, with winds reaching 40.0 km/h.
What is the warmest month in Sunne?
The warmest month in Sunne is July (16.6 °C on average); the coldest is January (-4.8 °C).
How much does it rain in Sunne?
Sunne receives on average 788 mm of precipitation per year, spread over about 131 rainy days.
Is it sunny in Sunne?
Sunne gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sunne?
The heaviest 24-hour snowfall measured in Sunne between 1940 and 2025 was 6 November 1971, with 17.6 cm.
Are there tropical nights in Sunne?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sunne.
What was the most extreme apparent temperature in Sunne?
In Sunne, between 1940 and 2025, the highest apparent temperature reached 32.5 °C on 3 August 1982, and the lowest was -35.1 °C on 10 January 1987.
Compare Sunne with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sunne