Trelleborg climate — normals and trends
Trelleborg has a warm-summer humid continental climate, averaging 8.1 °C annually with 604 mm of rain per year.
Climate normals · ERA5
TrelleborgSkåne County
- coords
- 55.38°, 13.16°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
8.1°C
Average daily high
10.9°C
Average daily low
5.2°C
Annual rainfall
604mm
Sunshine / day
7.8h
Mean relative humidity
81%
Average peak wind
22.4km/h
Seasonal range
17.3°C
Frost days (< 0 °C)
79 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
51.3 cm
Average feels-like high
7.7 °C
Average feels-like low
1.7 °C
Average peak gust
42.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.5 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.42 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
32.3 °C
9 August 1975
Coldest day
-27.0 °C
26 January 1942
Wettest day
50 mm
24 July 1986
Windiest day
69.5 km/h
17 October 1967
Strongest gust
128.2 km/h
3 December 1999
Hottest feels-like
34.3 °C
16 July 2021
Coldest feels-like
-32.1 °C
26 January 1942
Snowiest day
15.5 cm
3 January 1976
Sunniest day
16.4 h
24 June 2009
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.4 °C | +2.7 °C | 59 mm | +8 mm |
| Feb | 3.4 °C | +1.5 °C | 16 mm | -24 mm |
| Mar | 9.0 °C | +4.0 °C | 16 mm | -25 mm |
| Apr | 13.3 °C | +3.6 °C | 10 mm | -29 mm |
| May | 15.1 °C | +0.4 °C | 54 mm | +11 mm |
| Jun | 19.3 °C | +0.8 °C | 64 mm | +11 mm |
| Jul | 22.0 °C | +1.5 °C | 89 mm | +26 mm |
| Aug | 21.5 °C | +1.2 °C | 33 mm | -31 mm |
| Sep | 18.7 °C | +2.1 °C | 86 mm | +33 mm |
| Oct | 12.6 °C | +1.0 °C | 82 mm | +30 mm |
| Nov | 7.5 °C | +0.9 °C | 37 mm | -14 mm |
| Dec | 6.0 °C | +2.6 °C | 17 mm | -38 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Trelleborg (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.1 °C and it receives 604 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 (17.1 °C on average) and the coldest is February (-0.2 °C). Rainfall peaks in August.
Trelleborg averages 79 frost days, 0 hot days (≥ 30 °C) and 127 rainy days per year.
Trelleborg has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 101 to 57 per year over the period.
The hottest day of the period reached 32.3 °C (on 9 August 1975) and the coldest -27.0 °C (on 26 January 1942).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Compare Trelleborg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Trelleborg
Other cities — Sweden
Frequently asked questions
What is the climate of Trelleborg?
Trelleborg has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.1 °C and it receives 604 mm of precipitation per year.
What is the hottest day ever recorded in Trelleborg?
The hottest day measured in Trelleborg between 1940 and 2025 was 9 August 1975, reaching 32.3 °C.
What is the coldest day in Trelleborg?
The coldest day measured in Trelleborg between 1940 and 2025 was 26 January 1942, at -27.0 °C.
Does it snow in Trelleborg?
Yes. Trelleborg gets on average 51.3 cm of snow per year and has around 79 frost days.
Has the climate of Trelleborg warmed?
Yes: Trelleborg warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Trelleborg?
The wettest day measured in Trelleborg between 1940 and 2025 was 24 July 1986, with 50 mm of rain in 24 hours.
What was the windiest day in Trelleborg?
The windiest day measured in Trelleborg between 1940 and 2025 was 17 October 1967, with winds reaching 69.5 km/h.
What is the warmest month in Trelleborg?
The warmest month in Trelleborg is July (17.1 °C on average); the coldest is February (-0.2 °C).
How much does it rain in Trelleborg?
Trelleborg receives on average 604 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Trelleborg?
Trelleborg gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Trelleborg?
The heaviest 24-hour snowfall measured in Trelleborg between 1940 and 2025 was 3 January 1976, with 15.5 cm.
Are there tropical nights in Trelleborg?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Trelleborg.
What was the most extreme apparent temperature in Trelleborg?
In Trelleborg, between 1940 and 2025, the highest apparent temperature reached 34.3 °C on 16 July 2021, and the lowest was -32.1 °C on 26 January 1942.
These forecasts and records come from our own weather API. Developer documentation →