Chur climate — normals and trends
Chur (Switzerland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 1.3 °C and it receives 1,377 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 (11.0 °C on average) and the coldest is January (-8.7 °C). Rainfall peaks in July.
Chur averages 219 frost days, 0 hot days (≥ 30 °C) and 179 rainy days per year.
Chur has warmed by +3.1 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 249 to 189 per year over the period.
The hottest day of the period reached 26.9 °C (on 26 June 2019) and the coldest -35.6 °C (on 7 January 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
ChurGrisons
- coords
- 46.85°, 9.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.3°C
Average daily high
5.8°C
Average daily low
-3.0°C
Annual rainfall
1,377mm
Sunshine / day
8.7h
Mean relative humidity
79%
Average peak wind
7.0km/h
Seasonal range
19.7°C
Frost days (< 0 °C)
219 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
179 d/yr
Annual snowfall
469.9 cm
Average feels-like high
3.5 °C
Average feels-like low
-6.1 °C
Average peak gust
39.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.66 · 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
26.9 °C
26 June 2019
Coldest day
-35.6 °C
7 January 1985
Wettest day
101 mm
6 August 1985
Windiest day
17.6 km/h
28 June 1981
Strongest gust
130.7 km/h
11 December 2017
Hottest feels-like
27.9 °C
5 July 1957
Coldest feels-like
-40.5 °C
7 January 1985
Snowiest day
51.5 cm
5 November 2014
Sunniest day
15.0 h
5 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 | -0.7 °C | +4.2 °C | 100 mm | +20 mm |
| Feb | 1.3 °C | +3.7 °C | 25 mm | -50 mm |
| Mar | 3.7 °C | +2.5 °C | 81 mm | -9 mm |
| Apr | 9.2 °C | +4.6 °C | 81 mm | -29 mm |
| May | 10.8 °C | +1.7 °C | 183 mm | +50 mm |
| Jun | 19.1 °C | +5.6 °C | 158 mm | +4 mm |
| Jul | 15.2 °C | -1.0 °C | 237 mm | +74 mm |
| Aug | 17.5 °C | +1.7 °C | 162 mm | +2 mm |
| Sep | 12.9 °C | +0.2 °C | 177 mm | +64 mm |
| Oct | 8.1 °C | +0.4 °C | 69 mm | -34 mm |
| Nov | 2.7 °C | +2.0 °C | 89 mm | -18 mm |
| Dec | 1.5 °C | +5.7 °C | 24 mm | -63 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 Chur?
Chur has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 1.3 °C and it receives 1,377 mm of precipitation per year.
What is the hottest day ever recorded in Chur?
The hottest day measured in Chur between 1940 and 2025 was 26 June 2019, reaching 26.9 °C.
What is the coldest day in Chur?
The coldest day measured in Chur between 1940 and 2025 was 7 January 1985, at -35.6 °C.
Does it snow in Chur?
Yes. Chur gets on average 469.9 cm of snow per year and has around 219 frost days.
Has the climate of Chur warmed?
Yes: Chur warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chur?
The wettest day measured in Chur between 1940 and 2025 was 6 August 1985, with 101 mm of rain in 24 hours.
What was the windiest day in Chur?
The windiest day measured in Chur between 1940 and 2025 was 28 June 1981, with winds reaching 17.6 km/h.
What is the warmest month in Chur?
The warmest month in Chur is July (11.0 °C on average); the coldest is January (-8.7 °C).
How much does it rain in Chur?
Chur receives on average 1,377 mm of precipitation per year, spread over about 179 rainy days.
Is it sunny in Chur?
Chur gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chur?
The heaviest 24-hour snowfall measured in Chur between 1940 and 2025 was 5 November 2014, with 51.5 cm.
Are there tropical nights in Chur?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Chur.
What was the most extreme apparent temperature in Chur?
In Chur, between 1940 and 2025, the highest apparent temperature reached 27.9 °C on 5 July 1957, and the lowest was -40.5 °C on 7 January 1985.
Compare Chur with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chur