Cluj Napoca, Cluj, Romania Climate Change Severity

57
High
The current climate change severity in Cluj Napoca is High, with a 21.6% 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 57 (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

57/100

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

-36.005 %

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, Romania

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 4, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/15°
Humidity Icon74%
Wind Icon19km/h
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/15°
Humidity Icon71%
Wind Icon10km/h
Wed. 6, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/15°
Humidity Icon68%
Wind Icon22km/h
Thu. 7, Aug.
sunnySunny
Temperature Icon25°/13°
Humidity Icon60%
Wind Icon15km/h
Fri. 8, Aug.
sunnySunny
Temperature Icon28°/12°
Humidity Icon51%
Wind Icon7km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon30°/14°
Humidity Icon51%
Wind Icon12km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy
Temperature Icon32°/17°
Humidity Icon48%
Wind Icon9km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon34°/18°
Humidity Icon44%
Wind Icon9km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon36°/20°
Humidity Icon46%
Wind Icon18km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/16°
Humidity Icon54%
Wind Icon18km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon31°/13°
Humidity Icon45%
Wind Icon8km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon32°/14°
Humidity Icon32%
Wind Icon10km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon34°/16°
Humidity Icon34%
Wind Icon18km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon31°/18°
Humidity Icon39%
Wind Icon22km/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
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/13°
Humidity Icon69%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 12, Aug.

35.6°C

Low will be onFri. 8, Aug.

12.1°C

HumidityHumidity

High will be onMon. 4, Aug.

74%

Low will be onFri. 15, Aug.

32%

Wind SpeedWind Speed

High will be onWed. 6, Aug.

22.3km/h

Low will be onFri. 8, Aug.

6.5km/h

PrecipitationPrecipitation

High will be onWed. 3, Sep.

3.8mm

Low will be onWed. 13, Aug.

0.3mm

Ultraviolet IndexUV

High will be onMon. 11, Aug.

7

Low will be onMon. 4, Aug.

1.3

Our Blogs

1 Aug 2025

Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

Why You Should Add a Real-Time Weather and AQI Widget to Your Website?
31 Jul 2025

Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels

Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels
26 Jul 2025

New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)
26 Jul 2025

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?
24 Jul 2025

Big Dreams, Toxic Air: Why a Father’s ‘No’ to Hansraj College Over Delhi Pollution is a Warning for India

Big Dreams, Toxic Air: Why a Father’s ‘No’ to Hansraj College Over Delhi Pollution is a Warning for India
19 Jul 2025

What Is the Real Impact of Air Pollution on Property Rates in India?

What Is the Real Impact of Air Pollution on Property Rates in India?
15 Jul 2025

Do People Really Consider Air Pollution Before Moving to Delhi NCR?

Do People Really Consider Air Pollution Before Moving to Delhi NCR?
12 Jul 2025

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?

Is Poor Air Quality in Gyms Holding Back Your Fitness Goals?
7 Jul 2025

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?
4 Jul 2025

Can Banning Old Vehicles Really Improve Delhi’s Air Quality? Here’s What the Data Says

Can Banning Old Vehicles Really Improve Delhi’s Air Quality? Here’s What the Data Says