Athens, Attiki, Greece Climate Change Severity

52
High
The current climate change severity in Athens is High, with a 3.2% 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 Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Athens 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), Athens temperature has changed by around -0.09%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
111118
6.3%
cloudyCloudy
4939
-20.4%
rainyRainy
6949
-28.9%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Athens has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (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

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Athens experienced significant changes:

Temperature change of

-0.01 °C

Variation in annual rainfall

-20.3 %

Change in average humidity

-8.04 %

PM2.5 levels surged by

-53.8 %

Heatwave changed by

+2.4 day(s)

Coldwave changed by

+2.4 day(s)

Wind speeds changed by

-0.1 km/h

These indicators show improvement in key parametes of climate, but Athens 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 Aug.

Athens Weather Forecast 30 Days (September - October 2025)
Athens, Attiki, Greece

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 29, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/18°
Humidity Icon73%
Wind Icon12km/h
Tue. 30, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/16°
Humidity Icon67%
Wind Icon10km/h
Wed. 1, Oct.
sunnySunny
Temperature Icon24°/17°
Humidity Icon57%
Wind Icon14km/h
Thu. 2, Oct.
moderate rainModerate rain
Temperature Icon19°/16°
Humidity Icon69%
Wind Icon13km/h
Fri. 3, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/17°
Humidity Icon61%
Wind Icon30km/h
Sat. 4, Oct.
sunnySunny
Temperature Icon21°/16°
Humidity Icon52%
Wind Icon19km/h
Sun. 5, Oct.
sunnySunny
Temperature Icon22°/16°
Humidity Icon55%
Wind Icon13km/h
Mon. 6, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/16°
Humidity Icon55%
Wind Icon13km/h
Tue. 7, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/17°
Humidity Icon59%
Wind Icon30km/h
Wed. 8, Oct.
sunnySunny
Temperature Icon21°/15°
Humidity Icon46%
Wind Icon22km/h
Thu. 9, Oct.
sunnySunny
Temperature Icon22°/15°
Humidity Icon48%
Wind Icon13km/h
Fri. 10, Oct.
sunnySunny
Temperature Icon23°/16°
Humidity Icon50%
Wind Icon11km/h
Sat. 11, Oct.
sunnySunny
Temperature Icon25°/17°
Humidity Icon49%
Wind Icon13km/h
Sun. 12, Oct.
sunnySunny
Temperature Icon23°/17°
Humidity Icon61%
Wind Icon25km/h
Mon. 13, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon24°/18°
Humidity Icon63%
Wind Icon17km/h
Tue. 14, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/18°
Humidity Icon64%
Wind Icon17km/h
Wed. 15, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/18°
Humidity Icon68%
Wind Icon17km/h
Thu. 16, Oct.
moderate rain at timesModerate rain at times
Temperature Icon24°/18°
Humidity Icon65%
Wind Icon19km/h
Fri. 17, Oct.
moderate rain at timesModerate rain at times
Temperature Icon23°/16°
Humidity Icon63%
Wind Icon19km/h
Sat. 18, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/17°
Humidity Icon64%
Wind Icon19km/h
Sun. 19, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon22°/17°
Humidity Icon63%
Wind Icon18km/h
Mon. 20, Oct.
sunnySunny
Temperature Icon23°/17°
Humidity Icon62%
Wind Icon16km/h
Tue. 21, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon23°/17°
Humidity Icon63%
Wind Icon17km/h
Wed. 22, Oct.
moderate rain at timesModerate rain at times
Temperature Icon23°/17°
Humidity Icon66%
Wind Icon19km/h
Thu. 23, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/17°
Humidity Icon66%
Wind Icon19km/h
Fri. 24, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon64%
Wind Icon21km/h
Sat. 25, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/16°
Humidity Icon65%
Wind Icon21km/h
Sun. 26, Oct.
moderate rain at timesModerate rain at times
Temperature Icon22°/16°
Humidity Icon65%
Wind Icon19km/h
Mon. 27, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon69%
Wind Icon21km/h
Tue. 28, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon68%
Wind Icon23km/h
Wed. 29, Oct.
moderate rain at timesModerate rain at times
Temperature Icon20°/15°
Humidity Icon66%
Wind Icon21km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 11, Oct.

24.6°C

Low will be onThu. 9, Oct.

14.6°C

HumidityHumidity

High will be onMon. 29, Sep.

73%

Low will be onWed. 8, Oct.

46%

Wind SpeedWind Speed

High will be onTue. 7, Oct.

30.2km/h

Low will be onTue. 30, Sep.

10.1km/h

PrecipitationPrecipitation

High will be onThu. 2, Oct.

6.2mm

Low will be onWed. 1, Oct.

0.02mm

Ultraviolet IndexUV

High will be onSat. 11, Oct.

6

Low will be onMon. 29, Sep.

0.3

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