Cluj Napoca, Cluj, Romania Climate Change Severity

48
High
The current climate change severity in Cluj Napoca is High, with a 1.6% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jun. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Cluj Napoca Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Cluj Napoca temperature has changed by around -2.9%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jun. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
2839
39.2%
cloudyCloudy
4128
-31.7%
rainyRainy
8665
-24.4%
snowySnowy
522
340%
mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 16 years, Cluj Napoca 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 2026, Cluj Napoca experienced significant changes:

Temperature change of

-0.23 °C

Variation in annual rainfall

-5.2 %

Change in average humidity

-4.43 %

PM2.5 levels surged by

+81.97 %

Heatwave changed by

-7 Days

Coldwave changed by

-1 Day

Wind speeds changed by

+2.43 km/h

These indicators show improvement in key parametes of climate, but Cluj Napoca 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 Jun.

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

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 29, Jul.
sunnySunny
Temperature Icon29°/13°
Humidity Icon45%
Wind Icon15.8km/h
Thu. 30, Jul.
sunnySunny
Temperature Icon32°/14°
Humidity Icon39%
Wind Icon8.3km/h
Fri. 31, Jul.
sunnySunny
Temperature Icon35°/17°
Humidity Icon37%
Wind Icon10.1km/h
Sat. 1, Aug.
sunnySunny
Temperature Icon36°/18°
Humidity Icon34%
Wind Icon10.4km/h
Sun. 2, Aug.
sunnySunny
Temperature Icon37°/18°
Humidity Icon34%
Wind Icon12.2km/h
Mon. 3, Aug.
sunnySunny
Temperature Icon35°/18°
Humidity Icon27%
Wind Icon23.8km/h
Tue. 4, Aug.
sunnySunny
Temperature Icon36°/16°
Humidity Icon31%
Wind Icon23.4km/h
Wed. 5, Aug.
sunnySunny
Temperature Icon36°/20°
Humidity Icon28%
Wind Icon26.3km/h
Thu. 6, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/17°
Humidity Icon65%
Wind Icon10.5km/h
Fri. 7, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/17°
Humidity Icon66%
Wind Icon11.2km/h
Sat. 8, Aug.
moderate rain at timesRain
Temperature Icon27°/16°
Humidity Icon64%
Wind Icon10km/h
Sun. 9, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/16°
Humidity Icon63%
Wind Icon11km/h
Mon. 10, Aug.
heavy rain at timesHeavy Rain
Temperature Icon27°/16°
Humidity Icon62%
Wind Icon10.4km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon61%
Wind Icon10.8km/h
Wed. 12, Aug.
moderate rain at timesRain
Temperature Icon26°/16°
Humidity Icon62%
Wind Icon10.4km/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

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 2, Aug.

37°C

Low will be onWed. 29, Jul.

13°C

HumidityHumidity

High will be onFri. 7, Aug.

66%

Low will be onMon. 3, Aug.

27%

Wind SpeedWind Speed

High will be onWed. 5, Aug.

26.3km/h

Low will be onThu. 30, Jul.

8.3km/h

PrecipitationPrecipitation

High will be onThu. 6, Aug.

3.2mm

Low will be onThu. 13, Aug.

0.1mm

Ultraviolet IndexUV

High will be onSun. 2, Aug.

9

Low will be onThu. 6, Aug.

5

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