Worb climate — normals and trends
Worb (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 1,077 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 (-0.4 °C). Rainfall peaks in May.
Worb averages 91 frost days, 4 hot days (≥ 30 °C) and 161 rainy days per year.
Worb has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 118 to 64 per year over the period.
The hottest day of the period reached 36.0 °C (on 13 August 2003) and the coldest -27.1 °C (on 19 January 1940).
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
WorbCanton of Bern
- coords
- 46.93°, 7.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
13.3°C
Average daily low
5.1°C
Annual rainfall
1,077mm
Sunshine / day
8.6h
Mean relative humidity
77%
Average peak wind
10.6km/h
Seasonal range
18.7°C
Frost days (< 0 °C)
91 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
161 d/yr
Annual snowfall
97.0 cm
Average feels-like high
11.6 °C
Average feels-like low
3.0 °C
Average peak gust
28.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.64 · 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
36.0 °C
13 August 2003
Coldest day
-27.1 °C
19 January 1940
Wettest day
67 mm
27 September 1942
Windiest day
42.1 km/h
26 December 1999
Strongest gust
120.2 km/h
26 December 1999
Hottest feels-like
38.6 °C
26 June 2019
Coldest feels-like
-32.3 °C
19 January 1940
Snowiest day
19.7 cm
2 January 1962
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 | 5.5 °C | +2.5 °C | 112 mm | +32 mm |
| Feb | 6.5 °C | +1.3 °C | 35 mm | -40 mm |
| Mar | 11.9 °C | +2.4 °C | 51 mm | -29 mm |
| Apr | 16.4 °C | +3.0 °C | 78 mm | -15 mm |
| May | 18.2 °C | +0.7 °C | 129 mm | +19 mm |
| Jun | 26.2 °C | +5.3 °C | 63 mm | -40 mm |
| Jul | 23.5 °C | +0.4 °C | 133 mm | +33 mm |
| Aug | 25.4 °C | +2.9 °C | 159 mm | +60 mm |
| Sep | 18.9 °C | -0.1 °C | 130 mm | +48 mm |
| Oct | 13.4 °C | -0.4 °C | 106 mm | +29 mm |
| Nov | 8.4 °C | +0.9 °C | 115 mm | +24 mm |
| Dec | 5.3 °C | +1.5 °C | 22 mm | -64 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 Worb?
Worb has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 1,077 mm of precipitation per year.
What is the hottest day ever recorded in Worb?
The hottest day measured in Worb between 1940 and 2025 was 13 August 2003, reaching 36.0 °C.
What is the coldest day in Worb?
The coldest day measured in Worb between 1940 and 2025 was 19 January 1940, at -27.1 °C.
Does it snow in Worb?
Yes. Worb gets on average 97.0 cm of snow per year and has around 91 frost days.
Has the climate of Worb warmed?
Yes: Worb warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Worb?
The wettest day measured in Worb between 1940 and 2025 was 27 September 1942, with 67 mm of rain in 24 hours.
What was the windiest day in Worb?
The windiest day measured in Worb between 1940 and 2025 was 26 December 1999, with winds reaching 42.1 km/h.
What is the warmest month in Worb?
The warmest month in Worb is July (18.3 °C on average); the coldest is January (-0.4 °C).
How much does it rain in Worb?
Worb receives on average 1,077 mm of precipitation per year, spread over about 161 rainy days.
Is it sunny in Worb?
Worb gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Worb?
The heaviest 24-hour snowfall measured in Worb between 1940 and 2025 was 2 January 1962, with 19.7 cm.
Are there tropical nights in Worb?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Worb.
What was the most extreme apparent temperature in Worb?
In Worb, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 26 June 2019, and the lowest was -32.3 °C on 19 January 1940.
Compare Worb with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Worb