Leuven, Flanders, Belgium Climate Change Severity

67
Very High
The current climate change severity in Leuven is Very High, with a 32.6% 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


Leuven Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Leuven temperature has changed by around +13.09%, 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
3185
174.1%

cloudyCloudy
5228
-46.1%

rainyRainy
12673
-42.06%

snowySnowy
110
900%

mistyMisty
02
100%

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

Climate Change Indicators:

Over the past 16 years, Leuven has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (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

67/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Leuven experienced significant changes:

Temperature change of

+1.52 °C


Variation in annual rainfall

-14.49 %


Change in average humidity

-7.61 %


PM2.5 levels surged by

+64.11 %


Heatwave changed by

+19 Days


Coldwave changed by

-5 Days


Wind speeds changed by

+2.35 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Leuven'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.

Leuven Weather Forecast 30 Days (September - October 2026)
Leuven, Flanders, Belgium


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

Temperature Icon22°/14°

Humidity Icon54%

Wind Icon14.8km/h
Sun. 27, Sep.
overcastOvercast

Temperature Icon26°/13°

Humidity Icon60%

Wind Icon10.8km/h
Mon. 28, Sep.
overcastOvercast

Temperature Icon24°/16°

Humidity Icon62%

Wind Icon12.6km/h
Tue. 29, Sep.
overcastOvercast

Temperature Icon29°/16°

Humidity Icon62%

Wind Icon22.3km/h
Wed. 30, Sep.
overcastOvercast

Temperature Icon28°/18°

Humidity Icon61%

Wind Icon22.3km/h
Thu. 1, Oct.
light rain showerRain Shower

Temperature Icon19°/17°

Humidity Icon91%

Wind Icon9.4km/h
Fri. 2, Oct.
overcastOvercast

Temperature Icon22°/15°

Humidity Icon74%

Wind Icon11.2km/h
Sat. 3, Oct.
sunnySunny

Temperature Icon21°/13°

Humidity Icon75%

Wind Icon15.5km/h
Sun. 4, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/11°

Humidity Icon78%

Wind Icon21.9km/h
Mon. 5, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/10°

Humidity Icon81%

Wind Icon22.7km/h
Tue. 6, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon16°/10°

Humidity Icon82%

Wind Icon21.9km/h
Wed. 7, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/10°

Humidity Icon82%

Wind Icon20.3km/h
Thu. 8, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon16°/9°

Humidity Icon83%

Wind Icon17.5km/h
Fri. 9, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/9°

Humidity Icon80%

Wind Icon16.2km/h
Sat. 10, Oct.
heavy rain at timesHeavy Rain

Temperature Icon16°/9°

Humidity Icon79%

Wind Icon18.5km/h
Sun. 11, Oct.
heavy rain at timesHeavy Rain

Temperature Icon16°/9°

Humidity Icon79%

Wind Icon18.2km/h
Mon. 12, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/8°

Humidity Icon80%

Wind Icon18.7km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/9°

Humidity Icon80%

Wind Icon20.9km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon14°/8°

Humidity Icon81%

Wind Icon18.2km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/8°

Humidity Icon81%

Wind Icon18.1km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/8°

Humidity Icon81%

Wind Icon18km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/9°

Humidity Icon82%

Wind Icon18.5km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/9°

Humidity Icon80%

Wind Icon17.3km/h
Mon. 19, Oct.
heavy rain at timesHeavy Rain

Temperature Icon16°/10°

Humidity Icon81%

Wind Icon20.4km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/9°

Humidity Icon83%

Wind Icon21.8km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/9°

Humidity Icon81%

Wind Icon24.8km/h
Thu. 22, Oct.
heavy rain at timesHeavy Rain

Temperature Icon15°/9°

Humidity Icon83%

Wind Icon21.9km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/8°

Humidity Icon82%

Wind Icon19.9km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/9°

Humidity Icon82%

Wind Icon21.8km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon14°/9°

Humidity Icon85%

Wind Icon20.5km/h
Mon. 26, Oct.
moderate rain at timesRain

Temperature Icon14°/8°

Humidity Icon83%

Wind Icon20.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 29, Sep.

29°C


Low will be onMon. 12, Oct.

8°C

HumidityHumidity

High will be onThu. 1, Oct.

91%


Low will be onSat. 26, Sep.

54%

Wind SpeedWind Speed

High will be onWed. 21, Oct.

24.8km/h


Low will be onThu. 1, Oct.

9.4km/h

PrecipitationPrecipitation

High will be onThu. 1, Oct.

6.2mm


Low will be onTue. 29, Sep.

0.1mm

Ultraviolet IndexUV

High will be onWed. 30, Sep.

6


Low will be onMon. 28, Sep.

2.4