Tranås climate — normals and trends
Tranås (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.2 °C and it receives 630 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 (16.2 °C on average) and the coldest is February (-3.0 °C). Rainfall peaks in July.
Tranås averages 115 frost days, 0 hot days (≥ 30 °C) and 127 rainy days per year.
Tranås has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 129 to 101 per year over the period.
The hottest day of the period reached 32.6 °C (on 21 July 2022) and the coldest -26.8 °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
TranåsJönköping
- coords
- 58.04°, 14.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.2°C
Average daily high
9.0°C
Average daily low
3.4°C
Annual rainfall
630mm
Sunshine / day
7.3h
Mean relative humidity
82%
Average peak wind
17.3km/h
Seasonal range
19.2°C
Frost days (< 0 °C)
115 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
94.0 cm
Average feels-like high
6.0 °C
Average feels-like low
0.1 °C
Average peak gust
37.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.25 · 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
32.6 °C
21 July 2022
Coldest day
-26.8 °C
10 January 1987
Wettest day
86 mm
8 July 2012
Windiest day
48.8 km/h
22 September 1969
Strongest gust
114.5 km/h
8 January 2005
Hottest feels-like
32.7 °C
8 August 1975
Coldest feels-like
-33.3 °C
10 January 1987
Snowiest day
21.6 cm
4 April 1998
Sunniest day
17.8 h
21 June 2017
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 | 2.0 °C | +2.9 °C | 84 mm | +45 mm |
| Feb | 1.2 °C | +1.9 °C | 13 mm | -20 mm |
| Mar | 6.9 °C | +4.0 °C | 12 mm | -21 mm |
| Apr | 11.7 °C | +3.7 °C | 21 mm | -20 mm |
| May | 13.2 °C | -0.5 °C | 46 mm | -7 mm |
| Jun | 18.3 °C | +0.5 °C | 46 mm | -20 mm |
| Jul | 21.8 °C | +2.3 °C | 91 mm | +10 mm |
| Aug | 19.1 °C | +0.4 °C | 45 mm | -33 mm |
| Sep | 17.1 °C | +2.6 °C | 84 mm | +24 mm |
| Oct | 10.3 °C | +0.9 °C | 53 mm | +1 mm |
| Nov | 5.2 °C | +1.1 °C | 42 mm | -7 mm |
| Dec | 4.4 °C | +3.4 °C | 29 mm | -15 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 Tranås?
Tranås has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.2 °C and it receives 630 mm of precipitation per year.
What is the hottest day ever recorded in Tranås?
The hottest day measured in Tranås between 1940 and 2025 was 21 July 2022, reaching 32.6 °C.
What is the coldest day in Tranås?
The coldest day measured in Tranås between 1940 and 2025 was 10 January 1987, at -26.8 °C.
Does it snow in Tranås?
Yes. Tranås gets on average 94.0 cm of snow per year and has around 115 frost days.
Has the climate of Tranås warmed?
Yes: Tranås warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tranås?
The wettest day measured in Tranås between 1940 and 2025 was 8 July 2012, with 86 mm of rain in 24 hours.
What was the windiest day in Tranås?
The windiest day measured in Tranås between 1940 and 2025 was 22 September 1969, with winds reaching 48.8 km/h.
What is the warmest month in Tranås?
The warmest month in Tranås is July (16.2 °C on average); the coldest is February (-3.0 °C).
How much does it rain in Tranås?
Tranås receives on average 630 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Tranås?
Tranås gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tranås?
The heaviest 24-hour snowfall measured in Tranås between 1940 and 2025 was 4 April 1998, with 21.6 cm.
Are there tropical nights in Tranås?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tranås.
What was the most extreme apparent temperature in Tranås?
In Tranås, between 1940 and 2025, the highest apparent temperature reached 32.7 °C on 8 August 1975, and the lowest was -33.3 °C on 10 January 1987.
Compare Tranås with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tranås