Jönköping climate — normals and trends
Jönköping (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.9 °C and it receives 681 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 (15.8 °C on average) and the coldest is February (-3.2 °C). Rainfall peaks in July.
Jönköping averages 128 frost days, 0 hot days (≥ 30 °C) and 136 rainy days per year.
Jönköping 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 140 to 116 per year over the period.
The hottest day of the period reached 34.3 °C (on 21 July 2022) and the coldest -30.3 °C (on 28 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.
Climate normals · ERA5
JönköpingJönköping
- coords
- 57.78°, 14.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
9.2°C
Average daily low
2.6°C
Annual rainfall
681mm
Sunshine / day
7.1h
Mean relative humidity
82%
Average peak wind
17.2km/h
Seasonal range
19.0°C
Frost days (< 0 °C)
128 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
102.5 cm
Average feels-like high
6.1 °C
Average feels-like low
-0.8 °C
Average peak gust
39.0 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
+1.7 °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
34.3 °C
21 July 2022
Coldest day
-30.3 °C
28 January 1942
Wettest day
51 mm
26 June 2007
Windiest day
51.3 km/h
22 September 1969
Strongest gust
115.9 km/h
22 January 1993
Hottest feels-like
33.5 °C
21 July 2022
Coldest feels-like
-35.5 °C
28 January 1942
Snowiest day
21.0 cm
4 April 1998
Sunniest day
17.6 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 | 1.8 °C | +2.8 °C | 94 mm | +47 mm |
| Feb | 1.4 °C | +2.0 °C | 15 mm | -22 mm |
| Mar | 7.6 °C | +4.4 °C | 13 mm | -23 mm |
| Apr | 13.1 °C | +4.3 °C | 17 mm | -28 mm |
| May | 14.1 °C | -0.5 °C | 47 mm | -13 mm |
| Jun | 18.8 °C | +0.5 °C | 64 mm | -7 mm |
| Jul | 22.3 °C | +2.4 °C | 91 mm | +9 mm |
| Aug | 19.8 °C | +0.9 °C | 39 mm | -41 mm |
| Sep | 17.1 °C | +2.4 °C | 69 mm | +6 mm |
| Oct | 10.4 °C | +1.1 °C | 56 mm | +0 mm |
| Nov | 4.7 °C | +0.9 °C | 45 mm | -9 mm |
| Dec | 4.0 °C | +3.2 °C | 29 mm | -22 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 Jönköping?
Jönköping has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 681 mm of precipitation per year.
What is the hottest day ever recorded in Jönköping?
The hottest day measured in Jönköping between 1940 and 2025 was 21 July 2022, reaching 34.3 °C.
What is the coldest day in Jönköping?
The coldest day measured in Jönköping between 1940 and 2025 was 28 January 1942, at -30.3 °C.
Does it snow in Jönköping?
Yes. Jönköping gets on average 102.5 cm of snow per year and has around 128 frost days.
Has the climate of Jönköping warmed?
Yes: Jönköping warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jönköping?
The wettest day measured in Jönköping between 1940 and 2025 was 26 June 2007, with 51 mm of rain in 24 hours.
What was the windiest day in Jönköping?
The windiest day measured in Jönköping between 1940 and 2025 was 22 September 1969, with winds reaching 51.3 km/h.
What is the warmest month in Jönköping?
The warmest month in Jönköping is July (15.8 °C on average); the coldest is February (-3.2 °C).
How much does it rain in Jönköping?
Jönköping receives on average 681 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Jönköping?
Jönköping gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jönköping?
The heaviest 24-hour snowfall measured in Jönköping between 1940 and 2025 was 4 April 1998, with 21.0 cm.
Are there tropical nights in Jönköping?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Jönköping.
What was the most extreme apparent temperature in Jönköping?
In Jönköping, between 1940 and 2025, the highest apparent temperature reached 33.5 °C on 21 July 2022, and the lowest was -35.5 °C on 28 January 1942.
Compare Jönköping with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jönköping