Switzerland

Temperature trends in Bern

Coverage 1902–2025

+ 2.3°Cin 123 years

Bern · europe · population ~0.1MGoogle Maps · Terms

Primary weather station near Bern with the most complete temperature record

BERN/ZOLLIKOFEN

Station record

Station id
1644
Source
ECAD
Record
1902–2025
Years
124
Warmest year
2023 (11.1°C)
Coldest year
1956 (7.15°C)
Trend since 1980
+0.43°C / decade

BERN/ZOLLIKOFEN

19022025 · Bern, Switzerland

First 10 years (1902–1911): 7.94 °C · Last 10 years (2016–2025): 10.23 °C · Gap: +2.29 °C

Annual mean temperatures — ECAD source.

Bern, the capital of Switzerland, has experienced significant temperature changes over the past century. The data highlights the evolving climate conditions in this region.

  • Observation period: 1902–2025
  • Temperature increase: +2.29°C from 1902–1911 to 2016–2025
  • Mean temperature (2015–2024): 10.2°C
  • Top warm year: 2023 at 11.09°C

Overview of Climate Data

Bern's climate data is sourced from the BERN/ZOLLIKOFEN station, covering 124 years of observations. The warming trend is evident, with the last decade showing an average temperature of 10.24°C.

Data Access and Trends

For detailed climate data, you can download the CSV or JSON files available here and explore the interactive map here.

From 1902 to 2025, the mean temperature increased from 7.94°C in the first decade (1902–1911) to 10.23°C in the last decade (2016–2025), showing a clear warming trend of 2.29°C.

The average temperature for the period 1991–2020 in Bern was 9.52°C, which is below the national benchmark of approximately 10.51°C for the same period. The trend indicates an approximate warming of 1.71°C since 1980.

National and Global Context

Compared to Paris, Bern's temperatures are lower by 3.08°C, highlighting regional climate differences.

Climate Change Impacts

With rising temperatures, Bern faces increased risks of heat waves and drought, which can affect both the environment and public health.

Temperature Records

Top 5 Warmest Years

Year°C
202311.09
202211
202410.63
201810.56
199410.4

The record cold temperature was recorded in 1956 at 7.15°C.

Frequently asked questions

Which weather station is used for Bern?
Statistics on this page come from the BERN/ZOLLIKOFEN station, id 1644, ECAD source.
How long is the temperature record in Bern?
The record runs from 1902 to 2025 (124 years with data).
How much has Bern warmed?
The annual mean changed by +2.29°C from 1902–1911 to 2016–2025 (first 10 vs last 10 years of the series).
What was the warmest year on record in Bern?
The warmest year in this series is 2023 (annual mean 11.1°C).
What is the decade trend since 1980 in Bern?
The linear trend since 1980 is +0.43°C per decade.

Downloads — primary station

Station: BERN/ZOLLIKOFEN (ECAD 1644).

Fossil CO₂ emissions (ODIAC) in the grid cell for Bern

1° gridded estimate (fossil carbon surface flux integrated over the calendar year, 2000–2023) for the grid cell that contains the city: the plotted value is a surface emission intensity (gC/m²/yr), comparable across regions, not local air CO₂ concentration (wind and mixing are not represented here).

CO₂ page (ODIAC map, Keeling…)

ODIAC 1°×1° grid cell (centre ≈ 46.5°, 7.5°).

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