Biel Bienne, Bern, Switzerland Climate Change Severity

43
High
The current climate change severity in Biel Bienne is High, with a 6.5% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Biel Bienne Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Biel Bienne temperature has changed by around -3.7%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Oct. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
5859
1.7%
cloudyCloudy
6629
-56.06%
rainyRainy
152106
-30.2%
snowySnowy
53
-40%
mistyMisty
015
100%

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

Climate Change Indicators:

Over the past 15 years, Biel Bienne has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Biel Bienne experienced significant changes:

Temperature change of

-0.4 °C

Variation in annual rainfall

+0.6 %

Change in average humidity

-2.5 %

PM2.5 levels surged by

+33.1 %

Heatwave changed by

-15 day(s)

Coldwave changed by

-1.2 day(s)

Wind speeds changed by

-0.7 km/h

These indicators show improvement in key parametes of climate, but Biel Bienne remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

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

Biel Bienne Weather Forecast 30 Days (November - December 2025)
Biel Bienne, Bern, Switzerland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 26, Nov.
heavy snowHeavy snow
Temperature Icon2°/-3°
Humidity Icon99%
Wind Icon6km/h
Thu. 27, Nov.
light freezing rainLight freezing rain
Temperature Icon1°/-6°
Humidity Icon93%
Wind Icon12km/h
Fri. 28, Nov.
sunnySunny
Temperature Icon1°/-8°
Humidity Icon91%
Wind Icon3km/h
Sat. 29, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon3°/-7°
Humidity Icon92%
Wind Icon11km/h
Sun. 30, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon3°/-2°
Humidity Icon96%
Wind Icon14km/h
Mon. 1, Dec.
partly cloudyPartly Cloudy
Temperature Icon0°/-5°
Humidity Icon92%
Wind Icon5km/h
Tue. 2, Dec.
mistMist
Temperature Icon4°/-2°
Humidity Icon94%
Wind Icon13km/h
Wed. 3, Dec.
mistMist
Temperature Icon2°/-2°
Humidity Icon95%
Wind Icon16km/h
Thu. 4, Dec.
light freezing rainLight freezing rain
Temperature Icon3°/-2°
Humidity Icon93%
Wind Icon10km/h
Fri. 5, Dec.
moderate rainModerate rain
Temperature Icon7°/-1°
Humidity Icon87%
Wind Icon24km/h
Sat. 6, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/4°
Humidity Icon97%
Wind Icon13km/h
Sun. 7, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/7°
Humidity Icon91%
Wind Icon21km/h
Mon. 8, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/0°
Humidity Icon88%
Wind Icon4km/h
Tue. 9, Dec.
light freezing rainLight freezing rain
Temperature Icon1°/-3°
Humidity Icon85%
Wind Icon20km/h
Wed. 10, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-1°
Humidity Icon86%
Wind Icon14km/h
Thu. 11, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/-1°
Humidity Icon87%
Wind Icon14km/h
Fri. 12, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-3°
Humidity Icon87%
Wind Icon14km/h
Sat. 13, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-4°
Humidity Icon83%
Wind Icon14km/h
Sun. 14, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-2°
Humidity Icon85%
Wind Icon14km/h
Mon. 15, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/-1°
Humidity Icon84%
Wind Icon13km/h
Tue. 16, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/-1°
Humidity Icon86%
Wind Icon13km/h
Wed. 17, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-2°
Humidity Icon86%
Wind Icon11km/h
Thu. 18, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-2°
Humidity Icon86%
Wind Icon11km/h
Fri. 19, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/-1°
Humidity Icon88%
Wind Icon13km/h
Sat. 20, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/-1°
Humidity Icon89%
Wind Icon14km/h
Sun. 21, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/0°
Humidity Icon89%
Wind Icon15km/h
Mon. 22, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/1°
Humidity Icon88%
Wind Icon18km/h
Tue. 23, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/2°
Humidity Icon87%
Wind Icon16km/h
Wed. 24, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/0°
Humidity Icon87%
Wind Icon16km/h
Thu. 25, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/0°
Humidity Icon87%
Wind Icon14km/h
Fri. 26, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/-1°
Humidity Icon85%
Wind Icon12km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 7, Dec.

11.9°C

Low will be onFri. 28, Nov.

-8°C

HumidityHumidity

High will be onWed. 26, Nov.

99%

Low will be onSat. 13, Dec.

83%

Wind SpeedWind Speed

High will be onFri. 5, Dec.

24.1km/h

Low will be onFri. 28, Nov.

2.9km/h

PrecipitationPrecipitation

High will be onWed. 26, Nov.

8.9mm

Low will be onThu. 4, Dec.

0.1mm

Ultraviolet IndexUV

High will be onSun. 7, Dec.

3

Low will be onThu. 27, Nov.

0.2

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