Zagreb, City of Zagreb, Croatia Climate Change Severity

48
High
The current climate change severity in Zagreb is High, with a 10.5% 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 Apr. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Zagreb Weather Condition Changes (Historic Vs 2025)

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

Over the past 15 year(s), Zagreb temperature has changed by around -39.2%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
8024
-70%

cloudyCloudy
8916
-82.02%

rainyRainy
14751
-65.3%

snowySnowy
51
-80%

mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Zagreb has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Zagreb experienced significant changes:

Temperature change of

+1.47 °C


Variation in annual rainfall

+14.11 %


Change in average humidity

-6.52 %


PM2.5 levels surged by

0 %


Heatwave changed by

-3 Days


Coldwave changed by

-4 Days


Wind speeds changed by

-1.42 km/h


These indicators show improvement in key parametes of climate, but Zagreb 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 Apr.

Zagreb Weather Forecast 30 Days (August - September 2026)
Zagreb, City of Zagreb, Croatia


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Tue. 18, Aug.
overcastOvercast

Temperature Icon30°/18°

Humidity Icon58%

Wind Icon12.6km/h
Wed. 19, Aug.
sunnySunny

Temperature Icon32°/17°

Humidity Icon52%

Wind Icon11.2km/h
Thu. 20, Aug.
sunnySunny

Temperature Icon35°/20°

Humidity Icon54%

Wind Icon18.7km/h
Fri. 21, Aug.
overcastOvercast

Temperature Icon34°/20°

Humidity Icon62%

Wind Icon24.5km/h
Sat. 22, Aug.
overcastOvercast

Temperature Icon29°/20°

Humidity Icon72%

Wind Icon11.9km/h
Sun. 23, Aug.
overcastOvercast

Temperature Icon29°/20°

Humidity Icon55%

Wind Icon6.5km/h
Mon. 24, Aug.
sunnySunny

Temperature Icon33°/20°

Humidity Icon47%

Wind Icon19.4km/h
Tue. 25, Aug.
overcastOvercast

Temperature Icon27°/16°

Humidity Icon61%

Wind Icon16.9km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon29°/16°

Humidity Icon67%

Wind Icon10.7km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon29°/17°

Humidity Icon70%

Wind Icon10.5km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon28°/16°

Humidity Icon71%

Wind Icon9km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon27°/16°

Humidity Icon69%

Wind Icon9.4km/h
Sun. 30, Aug.
moderate rain at timesRain

Temperature Icon27°/16°

Humidity Icon68%

Wind Icon9.4km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon27°/15°

Humidity Icon66%

Wind Icon10.6km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon25°/15°

Humidity Icon73%

Wind Icon11km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon25°/15°

Humidity Icon72%

Wind Icon9.8km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon25°/15°

Humidity Icon71%

Wind Icon9.3km/h
Fri. 4, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon26°/15°

Humidity Icon70%

Wind Icon9.5km/h
Sat. 5, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon25°/15°

Humidity Icon70%

Wind Icon10.2km/h
Sun. 6, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon24°/14°

Humidity Icon70%

Wind Icon10.7km/h
Mon. 7, Sep.
heavy rain at timesHeavy Rain

Temperature Icon24°/14°

Humidity Icon69%

Wind Icon8.9km/h
Tue. 8, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon25°/14°

Humidity Icon66%

Wind Icon9.2km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon25°/14°

Humidity Icon70%

Wind Icon10.2km/h
Thu. 10, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon24°/14°

Humidity Icon73%

Wind Icon8.8km/h
Fri. 11, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon25°/14°

Humidity Icon73%

Wind Icon9.5km/h
Sat. 12, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon25°/14°

Humidity Icon72%

Wind Icon9.4km/h
Sun. 13, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon24°/14°

Humidity Icon71%

Wind Icon9km/h
Mon. 14, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon24°/14°

Humidity Icon74%

Wind Icon13km/h
Tue. 15, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon24°/14°

Humidity Icon75%

Wind Icon10.3km/h
Wed. 16, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon24°/14°

Humidity Icon75%

Wind Icon9.9km/h
Thu. 17, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon22°/13°

Humidity Icon81%

Wind Icon10.8km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 20, Aug.

35°C


Low will be onThu. 17, Sep.

13°C

HumidityHumidity

High will be onThu. 17, Sep.

81%


Low will be onMon. 24, Aug.

47%

Wind SpeedWind Speed

High will be onFri. 21, Aug.

24.5km/h


Low will be onSun. 23, Aug.

6.5km/h

PrecipitationPrecipitation

High will be onThu. 17, Sep.

8.07mm


Low will be onTue. 18, Aug.

0.2mm

Ultraviolet IndexUV

High will be onWed. 19, Aug.

7


Low will be onTue. 1, Sep.

4