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
°C

Heidelberg Weather Condition Changes (Historic Vs 2026)

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
3038
26.6%
cloudyCloudy
4521
-53.3%
rainyRainy
8467
-20.2%
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 (July - August 2026)
Heidelberg, Baden Wurttemberg, Germany

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 30, Jul.
sunnySunny
Temperature Icon39°/21°
Humidity Icon39%
Wind Icon29.5km/h
Fri. 31, Jul.
sunnySunny
Temperature Icon35°/20°
Humidity Icon54%
Wind Icon36km/h
Sat. 1, Aug.
partly cloudyPartly Cloudy
Temperature Icon28°/18°
Humidity Icon70%
Wind Icon12.6km/h
Sun. 2, Aug.
sunnySunny
Temperature Icon33°/17°
Humidity Icon57%
Wind Icon16.6km/h
Mon. 3, Aug.
sunnySunny
Temperature Icon37°/20°
Humidity Icon44%
Wind Icon16.6km/h
Tue. 4, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/21°
Humidity Icon53%
Wind Icon17.6km/h
Wed. 5, Aug.
sunnySunny
Temperature Icon34°/19°
Humidity Icon51%
Wind Icon8.3km/h
Thu. 6, Aug.
sunnySunny
Temperature Icon37°/23°
Humidity Icon34%
Wind Icon9km/h
Fri. 7, Aug.
sunnySunny
Temperature Icon30°/22°
Humidity Icon48%
Wind Icon25.9km/h
Sat. 8, Aug.
heavy rain at timesHeavy Rain
Temperature Icon26°/17°
Humidity Icon64%
Wind Icon15.4km/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

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 30, Jul.

39°C

Low will be onTue. 11, Aug.

15°C

HumidityHumidity

High will be onSat. 1, Aug.

70%

Low will be onThu. 6, Aug.

34%

Wind SpeedWind Speed

High will be onFri. 31, Jul.

36km/h

Low will be onWed. 5, Aug.

8.3km/h

PrecipitationPrecipitation

High will be onWed. 26, Aug.

3.4mm

Low will be onFri. 7, Aug.

0.02mm

Ultraviolet IndexUV

High will be onThu. 6, Aug.

9

Low will be onFri. 28, Aug.

4

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