Cluj Napoca, Judetul Cluj, Romania Climate Change Severity

52
High
The current climate change severity in Cluj Napoca is High, with a 1.03% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Apr. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Cluj Napoca 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), Cluj Napoca temperature has changed by around -54.5%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
8023
-71.2%
cloudyCloudy
8524
-71.7%
rainyRainy
15939
-75.4%
snowySnowy
71
-85.7%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Cluj Napoca has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Cluj Napoca experienced significant changes:

Temperature change of

+1.28 °C

Variation in annual rainfall

-19.19 %

Change in average humidity

-13.36 %

PM2.5 levels surged by

0 %

Heatwave changed by

+7 Days

Coldwave changed by

+2 Days

Wind speeds changed by

+0.46 km/h

These indicators show that Cluj Napoca is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

Cluj Napoca Weather Forecast 30 Days (August - September 2026)
Cluj Napoca, Judetul Cluj, Romania

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 5, Aug.
sunnySunny
Temperature Icon36°/19°
Humidity Icon27%
Wind Icon13km/h
Thu. 6, Aug.
sunnySunny
Temperature Icon38°/20°
Humidity Icon32%
Wind Icon25.2km/h
Fri. 7, Aug.
sunnySunny
Temperature Icon36°/18°
Humidity Icon47%
Wind Icon23.8km/h
Sat. 8, Aug.
sunnySunny
Temperature Icon34°/16°
Humidity Icon58%
Wind Icon15.8km/h
Sun. 9, Aug.
sunnySunny
Temperature Icon31°/16°
Humidity Icon58%
Wind Icon18km/h
Mon. 10, Aug.
sunnySunny
Temperature Icon35°/18°
Humidity Icon35%
Wind Icon12.6km/h
Tue. 11, Aug.
sunnySunny
Temperature Icon37°/18°
Humidity Icon27%
Wind Icon12.6km/h
Wed. 12, Aug.
sunnySunny
Temperature Icon36°/21°
Humidity Icon30%
Wind Icon20.9km/h
Thu. 13, Aug.
patchy rain possibleRain Possible
Temperature Icon27°/15°
Humidity Icon60%
Wind Icon10.6km/h
Fri. 14, Aug.
moderate rain at timesRain
Temperature Icon27°/15°
Humidity Icon61%
Wind Icon12.3km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/16°
Humidity Icon63%
Wind Icon10.3km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/16°
Humidity Icon63%
Wind Icon11.7km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/16°
Humidity Icon64%
Wind Icon12.2km/h
Tue. 18, Aug.
heavy rain at timesHeavy Rain
Temperature Icon26°/15°
Humidity Icon66%
Wind Icon9.5km/h
Wed. 19, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/15°
Humidity Icon61%
Wind Icon9.7km/h
Thu. 20, Aug.
heavy rain at timesHeavy Rain
Temperature Icon27°/16°
Humidity Icon59%
Wind Icon11.1km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/15°
Humidity Icon63%
Wind Icon11.6km/h
Sat. 22, Aug.
moderate rain at timesRain
Temperature Icon27°/15°
Humidity Icon64%
Wind Icon10.8km/h
Sun. 23, Aug.
heavy rain at timesHeavy Rain
Temperature Icon26°/15°
Humidity Icon63%
Wind Icon10.5km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/15°
Humidity Icon64%
Wind Icon11.9km/h
Tue. 25, Aug.
moderate rain at timesRain
Temperature Icon27°/15°
Humidity Icon59%
Wind Icon11.2km/h
Wed. 26, Aug.
heavy rain at timesHeavy Rain
Temperature Icon28°/15°
Humidity Icon57%
Wind Icon10.9km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon61%
Wind Icon11km/h
Fri. 28, Aug.
heavy rain at timesHeavy Rain
Temperature Icon26°/15°
Humidity Icon59%
Wind Icon12.1km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/14°
Humidity Icon59%
Wind Icon11km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/14°
Humidity Icon61%
Wind Icon10.5km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/14°
Humidity Icon63%
Wind Icon9.1km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon25°/14°
Humidity Icon63%
Wind Icon12.2km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon24°/14°
Humidity Icon63%
Wind Icon12km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon24°/14°
Humidity Icon66%
Wind Icon12.3km/h
Fri. 4, Sep.
heavy rain at timesHeavy Rain
Temperature Icon23°/14°
Humidity Icon67%
Wind Icon11.6km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 6, Aug.

38°C

Low will be onSat. 29, Aug.

14°C

HumidityHumidity

High will be onFri. 4, Sep.

67%

Low will be onWed. 5, Aug.

27%

Wind SpeedWind Speed

High will be onThu. 6, Aug.

25.2km/h

Low will be onMon. 31, Aug.

9.1km/h

PrecipitationPrecipitation

High will be onMon. 31, Aug.

4.5mm

Low will be onThu. 13, Aug.

0.1mm

Ultraviolet IndexUV

High will be onFri. 7, Aug.

9

Low will be onSat. 29, Aug.

4

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