Baden climate — normals and trends
Baden (Switzerland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 1,164 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 (18.3 °C on average) and the coldest is January (-0.3 °C). Rainfall peaks in July.
Baden averages 82 frost days, 4 hot days (≥ 30 °C) and 167 rainy days per year.
Baden 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 105 to 59 per year over the period.
The hottest day of the period reached 35.8 °C (on 13 August 2003) and the coldest -26.3 °C (on 13 February 1956).
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
BadenCanton of Aargau
- coords
- 47.47°, 8.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
13.1°C
Average daily low
5.5°C
Annual rainfall
1,164mm
Sunshine / day
8.5h
Mean relative humidity
78%
Average peak wind
12.1km/h
Seasonal range
18.6°C
Frost days (< 0 °C)
82 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
167 d/yr
Annual snowfall
76.9 cm
Average feels-like high
11.4 °C
Average feels-like low
3.3 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.57 · 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
35.8 °C
13 August 2003
Coldest day
-26.3 °C
13 February 1956
Wettest day
63 mm
7 August 1978
Windiest day
49.9 km/h
26 December 1999
Strongest gust
131.8 km/h
26 December 1999
Hottest feels-like
39.5 °C
27 June 2019
Coldest feels-like
-31.0 °C
13 February 1956
Snowiest day
25.4 cm
4 March 2006
Sunniest day
15.0 h
20 May 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 | 4.6 °C | +2.1 °C | 114 mm | +38 mm |
| Feb | 5.6 °C | +0.8 °C | 51 mm | -21 mm |
| Mar | 11.7 °C | +2.3 °C | 58 mm | -21 mm |
| Apr | 16.5 °C | +3.0 °C | 67 mm | -26 mm |
| May | 18.8 °C | +1.2 °C | 118 mm | -4 mm |
| Jun | 26.3 °C | +5.2 °C | 112 mm | -16 mm |
| Jul | 23.8 °C | +0.6 °C | 169 mm | +40 mm |
| Aug | 25.3 °C | +2.7 °C | 207 mm | +77 mm |
| Sep | 19.0 °C | 0.0 °C | 155 mm | +63 mm |
| Oct | 13.3 °C | -0.2 °C | 105 mm | +27 mm |
| Nov | 7.6 °C | +0.5 °C | 104 mm | +19 mm |
| Dec | 4.1 °C | +0.8 °C | 24 mm | -59 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 Baden?
Baden has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 1,164 mm of precipitation per year.
What is the hottest day ever recorded in Baden?
The hottest day measured in Baden between 1940 and 2025 was 13 August 2003, reaching 35.8 °C.
What is the coldest day in Baden?
The coldest day measured in Baden between 1940 and 2025 was 13 February 1956, at -26.3 °C.
Does it snow in Baden?
Yes. Baden gets on average 76.9 cm of snow per year and has around 82 frost days.
Has the climate of Baden warmed?
Yes: Baden warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Baden?
The wettest day measured in Baden between 1940 and 2025 was 7 August 1978, with 63 mm of rain in 24 hours.
What was the windiest day in Baden?
The windiest day measured in Baden between 1940 and 2025 was 26 December 1999, with winds reaching 49.9 km/h.
What is the warmest month in Baden?
The warmest month in Baden is July (18.3 °C on average); the coldest is January (-0.3 °C).
How much does it rain in Baden?
Baden receives on average 1,164 mm of precipitation per year, spread over about 167 rainy days.
Is it sunny in Baden?
Baden gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Baden?
The heaviest 24-hour snowfall measured in Baden between 1940 and 2025 was 4 March 2006, with 25.4 cm.
Are there tropical nights in Baden?
Yes: Baden has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Baden?
In Baden, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 27 June 2019, and the lowest was -31.0 °C on 13 February 1956.
Compare Baden with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Baden