Bern, Bern, Switzerland Climate Change Severity

62
Very High
The current climate change severity in Bern is Very High, with a 33.3% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Aug. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Bern Weather Condition Changes (Historic Vs 2026)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Bern temperature has changed by around +12.6%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Aug. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
4785
80.8%

cloudyCloudy
4814
-70.8%

rainyRainy
11981
-31.9%

snowySnowy
722
214.2%

mistyMisty
06
100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Bern has experienced measurable shifts in key climate parameters, contributing to the current severity score of 62 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

62/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Bern experienced significant changes:

Temperature change of

+1.23 °C


Variation in annual rainfall

-21.51 %


Change in average humidity

-6.58 %


PM2.5 levels surged by

+230.72 %


Heatwave changed by

+9 Days


Coldwave changed by

+1 Day


Wind speeds changed by

-0.08 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Bern's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

Check how we calculate Climate Change Severity
Based on data from Jan. to Aug.

Bern Weather Forecast 30 Days (September - October 2026)
Bern, Bern, Switzerland


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sat. 26, Sep.
sunnySunny

Temperature Icon25°/12°

Humidity Icon50%

Wind Icon6.1km/h
Sun. 27, Sep.
sunnySunny

Temperature Icon27°/13°

Humidity Icon50%

Wind Icon7.2km/h
Mon. 28, Sep.
overcastOvercast

Temperature Icon26°/15°

Humidity Icon53%

Wind Icon6.5km/h
Tue. 29, Sep.
overcastOvercast

Temperature Icon24°/14°

Humidity Icon62%

Wind Icon5.8km/h
Wed. 30, Sep.
overcastOvercast

Temperature Icon26°/15°

Humidity Icon61%

Wind Icon7.2km/h
Thu. 1, Oct.
overcastOvercast

Temperature Icon22°/15°

Humidity Icon67%

Wind Icon9.4km/h
Fri. 2, Oct.
light rain showerRain Shower

Temperature Icon16°/12°

Humidity Icon96%

Wind Icon8.3km/h
Sat. 3, Oct.
mistMist

Temperature Icon17°/12°

Humidity Icon87%

Wind Icon10.1km/h
Sun. 4, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/7°

Humidity Icon80%

Wind Icon12km/h
Mon. 5, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/7°

Humidity Icon79%

Wind Icon11.9km/h
Tue. 6, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/7°

Humidity Icon79%

Wind Icon11.9km/h
Wed. 7, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon16°/7°

Humidity Icon80%

Wind Icon11.5km/h
Thu. 8, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon16°/7°

Humidity Icon83%

Wind Icon10.5km/h
Fri. 9, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/7°

Humidity Icon85%

Wind Icon9.8km/h
Sat. 10, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/6°

Humidity Icon85%

Wind Icon11.8km/h
Sun. 11, Oct.
heavy rain at timesHeavy Rain

Temperature Icon16°/6°

Humidity Icon81%

Wind Icon10.2km/h
Mon. 12, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/5°

Humidity Icon81%

Wind Icon10.2km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/5°

Humidity Icon81%

Wind Icon9.5km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/5°

Humidity Icon80%

Wind Icon11.6km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon14°/5°

Humidity Icon81%

Wind Icon11.2km/h
Fri. 16, Oct.
heavy rain at timesHeavy Rain

Temperature Icon15°/4°

Humidity Icon78%

Wind Icon8.8km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/5°

Humidity Icon80%

Wind Icon9km/h
Sun. 18, Oct.
heavy rain at timesHeavy Rain

Temperature Icon15°/5°

Humidity Icon78%

Wind Icon9km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/5°

Humidity Icon77%

Wind Icon10km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/5°

Humidity Icon78%

Wind Icon10.7km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/5°

Humidity Icon82%

Wind Icon12.4km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/5°

Humidity Icon83%

Wind Icon9.6km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/5°

Humidity Icon83%

Wind Icon10.9km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon14°/4°

Humidity Icon82%

Wind Icon9.5km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/5°

Humidity Icon82%

Wind Icon9.5km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon14°/5°

Humidity Icon83%

Wind Icon10.8km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 27, Sep.

27°C


Low will be onFri. 16, Oct.

4°C

HumidityHumidity

High will be onFri. 2, Oct.

96%


Low will be onSat. 26, Sep.

50%

Wind SpeedWind Speed

High will be onWed. 21, Oct.

12.4km/h


Low will be onTue. 29, Sep.

5.8km/h

PrecipitationPrecipitation

High will be onFri. 2, Oct.

11.4mm


Low will be onWed. 30, Sep.

0.01mm

Ultraviolet IndexUV

High will be onWed. 30, Sep.

6


Low will be onSun. 11, Oct.

2