Cluj Napoca, Cluj County, Romania Climate Change Severity

52
High
The current climate change severity in Cluj Napoca is High, with a 10.9% 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 Jul. (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 +3.9%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
3441
20.5%
cloudyCloudy
4739
-17.02%
rainyRainy
10674
-30.1%
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, 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

+0.3 °C

Variation in annual rainfall

-20.6 %

Change in average humidity

-11.6 %

PM2.5 levels surged by

+100 %

Heatwave changed by

+3.5 day(s)

Coldwave changed by

+3.7 day(s)

Wind speeds changed by

+2.4 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 Jul.

Cluj Napoca Weather Forecast 30 Days (August - September 2025)
Cluj Napoca, Cluj County, Romania

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 3, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/15°
Humidity Icon63%
Wind Icon16km/h
Mon. 4, Aug.
heavy rainHeavy rain
Temperature Icon27°/15°
Humidity Icon71%
Wind Icon26km/h
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/13°
Humidity Icon70%
Wind Icon12km/h
Wed. 6, Aug.
moderate rainModerate rain
Temperature Icon28°/16°
Humidity Icon77%
Wind Icon27km/h
Thu. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/13°
Humidity Icon76%
Wind Icon8km/h
Fri. 8, Aug.
sunnySunny
Temperature Icon25°/14°
Humidity Icon62%
Wind Icon14km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon26°/15°
Humidity Icon49%
Wind Icon17km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon29°/16°
Humidity Icon46%
Wind Icon11km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon30°/17°
Humidity Icon43%
Wind Icon8km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon32°/16°
Humidity Icon44%
Wind Icon11km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon31°/18°
Humidity Icon43%
Wind Icon11km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon33°/19°
Humidity Icon41%
Wind Icon14km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon34°/19°
Humidity Icon38%
Wind Icon9km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon34°/19°
Humidity Icon44%
Wind Icon8km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/15°
Humidity Icon65%
Wind Icon11km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/15°
Humidity Icon66%
Wind Icon9km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/15°
Humidity Icon62%
Wind Icon10km/h
Wed. 20, Aug.
moderate rain at timesModerate rain at times
Temperature Icon27°/15°
Humidity Icon62%
Wind Icon11km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/15°
Humidity Icon65%
Wind Icon11km/h
Fri. 22, Aug.
moderate rain at timesModerate rain at times
Temperature Icon27°/15°
Humidity Icon64%
Wind Icon10km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/15°
Humidity Icon65%
Wind Icon9km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/16°
Humidity Icon68%
Wind Icon11km/h
Mon. 25, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon27°/15°
Humidity Icon62%
Wind Icon10km/h
Tue. 26, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon27°/16°
Humidity Icon59%
Wind Icon10km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/15°
Humidity Icon63%
Wind Icon11km/h
Thu. 28, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon25°/15°
Humidity Icon61%
Wind Icon12km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/14°
Humidity Icon62%
Wind Icon10km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/14°
Humidity Icon63%
Wind Icon10km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/14°
Humidity Icon64%
Wind Icon9km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/13°
Humidity Icon64%
Wind Icon12km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/14°
Humidity Icon64%
Wind Icon12km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 15, Aug.

33.9°C

Low will be onThu. 7, Aug.

13.2°C

HumidityHumidity

High will be onWed. 6, Aug.

77%

Low will be onFri. 15, Aug.

38%

Wind SpeedWind Speed

High will be onWed. 6, Aug.

27.4km/h

Low will be onSat. 16, Aug.

7.6km/h

PrecipitationPrecipitation

High will be onMon. 4, Aug.

21.3mm

Low will be onSat. 16, Aug.

0.09mm

Ultraviolet IndexUV

High will be onThu. 14, Aug.

7

Low will be onMon. 4, Aug.

1.3

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