Heidelberg, Baden Wurttemberg, Germany Climate Change Severity

43
High
The current climate change severity in Heidelberg is High, with a 15.8% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jun. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Heidelberg Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Heidelberg temperature has changed by around +9.1%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
3738
2.7%

cloudyCloudy
5321
-60.3%

rainyRainy
9867
-31.6%

snowySnowy
212
500%

mistyMisty
05
100%

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

Climate Change Indicators:

Over the past 16 years, Heidelberg 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 2026, Heidelberg experienced significant changes:

Temperature change of

+0.89 °C


Variation in annual rainfall

-5.43 %


Change in average humidity

-2.61 %


PM2.5 levels surged by

+7.51 %


Heatwave changed by

+11 Days


Coldwave changed by

+2 Days


Wind speeds changed by

-1.1 km/h


These indicators show improvement in key parametes of climate, but Heidelberg 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 Jun.

Heidelberg Weather Forecast 30 Days (August 2026)
Heidelberg, Baden Wurttemberg, Germany


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sat. 1, Aug.
sunnySunny

Temperature Icon30°/18°

Humidity Icon61%

Wind Icon11.5km/h
Sun. 2, Aug.
sunnySunny

Temperature Icon35°/18°

Humidity Icon50%

Wind Icon15.1km/h
Mon. 3, Aug.
sunnySunny

Temperature Icon38°/21°

Humidity Icon44%

Wind Icon23.8km/h
Tue. 4, Aug.
sunnySunny

Temperature Icon38°/22°

Humidity Icon46%

Wind Icon14km/h
Wed. 5, Aug.
sunnySunny

Temperature Icon37°/21°

Humidity Icon45%

Wind Icon18.4km/h
Thu. 6, Aug.
sunnySunny

Temperature Icon31°/22°

Humidity Icon51%

Wind Icon19.1km/h
Fri. 7, Aug.
sunnySunny

Temperature Icon27°/16°

Humidity Icon47%

Wind Icon11.9km/h
Sat. 8, Aug.
sunnySunny

Temperature Icon29°/15°

Humidity Icon34%

Wind Icon14km/h
Sun. 9, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon27°/16°

Humidity Icon63%

Wind Icon14.2km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon26°/16°

Humidity Icon63%

Wind Icon14.2km/h
Tue. 11, Aug.
heavy rain at timesHeavy Rain

Temperature Icon26°/15°

Humidity Icon61%

Wind Icon13.7km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon27°/16°

Humidity Icon63%

Wind Icon13.3km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon27°/17°

Humidity Icon65%

Wind Icon12.4km/h
Fri. 14, Aug.
moderate rain at timesRain

Temperature Icon28°/17°

Humidity Icon64%

Wind Icon11.2km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon27°/17°

Humidity Icon64%

Wind Icon13.8km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon26°/16°

Humidity Icon66%

Wind Icon12.5km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon26°/16°

Humidity Icon67%

Wind Icon14.7km/h
Tue. 18, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon26°/16°

Humidity Icon70%

Wind Icon13.9km/h
Wed. 19, Aug.
heavy rain at timesHeavy Rain

Temperature Icon27°/16°

Humidity Icon64%

Wind Icon12.4km/h
Thu. 20, Aug.
heavy rain at timesHeavy Rain

Temperature Icon27°/16°

Humidity Icon63%

Wind Icon10.8km/h
Fri. 21, Aug.
moderate rain at timesRain

Temperature Icon27°/16°

Humidity Icon61%

Wind Icon10.9km/h
Sat. 22, Aug.
heavy rain at timesHeavy Rain

Temperature Icon27°/16°

Humidity Icon59%

Wind Icon12.2km/h
Sun. 23, Aug.
moderate rain at timesRain

Temperature Icon27°/16°

Humidity Icon61%

Wind Icon14km/h
Mon. 24, Aug.
heavy rain at timesHeavy Rain

Temperature Icon26°/16°

Humidity Icon64%

Wind Icon14km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon26°/15°

Humidity Icon62%

Wind Icon13.8km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon26°/16°

Humidity Icon63%

Wind Icon14.7km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon25°/16°

Humidity Icon68%

Wind Icon13.7km/h
Fri. 28, Aug.
heavy rain at timesHeavy Rain

Temperature Icon25°/16°

Humidity Icon67%

Wind Icon13.1km/h
Sat. 29, Aug.
heavy rain at timesHeavy Rain

Temperature Icon25°/15°

Humidity Icon67%

Wind Icon13.2km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon24°/15°

Humidity Icon69%

Wind Icon13.4km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon24°/15°

Humidity Icon68%

Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 3, Aug.

38°C


Low will be onSat. 8, Aug.

15°C

HumidityHumidity

High will be onTue. 18, Aug.

70%


Low will be onSat. 8, Aug.

34%

Wind SpeedWind Speed

High will be onMon. 3, Aug.

23.8km/h


Low will be onThu. 20, Aug.

10.8km/h

PrecipitationPrecipitation

High will be onWed. 26, Aug.

3.4mm


Low will be onSat. 1, Aug.

0.1mm

Ultraviolet IndexUV

High will be onWed. 5, Aug.

9


Low will be onFri. 28, Aug.

4