Istres, Provence Alpes Cote dAzur, France Climate Change Severity

43
High
The current climate change severity in Istres is High, with a 19.8% 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)

Istres 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), Istres temperature has changed by around +7.06%, 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
11090
-18.1%
cloudyCloudy
5544
-20%
rainyRainy
6268
9.6%
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, Istres has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (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

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Istres experienced significant changes:

Temperature change of

+1.1 °C

Variation in annual rainfall

+15.9 %

Change in average humidity

-5.8 %

PM2.5 levels surged by

-0.6 %

Heatwave changed by

+7.8 day(s)

Coldwave changed by

-3.7 day(s)

Wind speeds changed by

+1.4 km/h

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

Istres Weather Forecast 30 Days (September - October 2025)
Istres, Provence Alpes Cote dAzur, France

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 14, Sep.
sunnySunny
Temperature Icon26°/17°
Humidity Icon68%
Wind Icon16km/h
Mon. 15, Sep.
sunnySunny
Temperature Icon28°/19°
Humidity Icon64%
Wind Icon15km/h
Tue. 16, Sep.
sunnySunny
Temperature Icon27°/20°
Humidity Icon52%
Wind Icon28km/h
Wed. 17, Sep.
sunnySunny
Temperature Icon29°/18°
Humidity Icon41%
Wind Icon33km/h
Thu. 18, Sep.
sunnySunny
Temperature Icon27°/21°
Humidity Icon55%
Wind Icon14km/h
Fri. 19, Sep.
sunnySunny
Temperature Icon28°/20°
Humidity Icon60%
Wind Icon13km/h
Sat. 20, Sep.
sunnySunny
Temperature Icon27°/21°
Humidity Icon59%
Wind Icon18km/h
Sun. 21, Sep.
sunnySunny
Temperature Icon27°/21°
Humidity Icon60%
Wind Icon14km/h
Mon. 22, Sep.
sunnySunny
Temperature Icon26°/21°
Humidity Icon60%
Wind Icon17km/h
Tue. 23, Sep.
sunnySunny
Temperature Icon26°/21°
Humidity Icon61%
Wind Icon28km/h
Wed. 24, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/20°
Humidity Icon64%
Wind Icon14km/h
Thu. 25, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/19°
Humidity Icon66%
Wind Icon16km/h
Fri. 26, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/19°
Humidity Icon75%
Wind Icon36km/h
Sat. 27, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/19°
Humidity Icon74%
Wind Icon14km/h
Sun. 28, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon25°/16°
Humidity Icon59%
Wind Icon21km/h
Mon. 29, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/17°
Humidity Icon61%
Wind Icon21km/h
Tue. 30, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/16°
Humidity Icon62%
Wind Icon18km/h
Wed. 1, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/16°
Humidity Icon63%
Wind Icon18km/h
Thu. 2, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/16°
Humidity Icon63%
Wind Icon23km/h
Fri. 3, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/16°
Humidity Icon63%
Wind Icon28km/h
Sat. 4, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/15°
Humidity Icon64%
Wind Icon21km/h
Sun. 5, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon23°/15°
Humidity Icon64%
Wind Icon20km/h
Mon. 6, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/15°
Humidity Icon66%
Wind Icon23km/h
Tue. 7, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/15°
Humidity Icon62%
Wind Icon25km/h
Wed. 8, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon23°/15°
Humidity Icon63%
Wind Icon24km/h
Thu. 9, Oct.
moderate rain at timesModerate rain at times
Temperature Icon23°/15°
Humidity Icon63%
Wind Icon21km/h
Fri. 10, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/15°
Humidity Icon64%
Wind Icon27km/h
Sat. 11, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon66%
Wind Icon24km/h
Sun. 12, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon21°/14°
Humidity Icon67%
Wind Icon26km/h
Mon. 13, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon66%
Wind Icon26km/h
Tue. 14, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon66%
Wind Icon25km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 17, Sep.

28.5°C

Low will be onSat. 11, Oct.

14.1°C

HumidityHumidity

High will be onFri. 26, Sep.

75%

Low will be onWed. 17, Sep.

41%

Wind SpeedWind Speed

High will be onFri. 26, Sep.

36km/h

Low will be onFri. 19, Sep.

12.6km/h

PrecipitationPrecipitation

High will be onSat. 4, Oct.

6.5mm

Low will be onSun. 14, Sep.

0.07mm

Ultraviolet IndexUV

High will be onFri. 19, Sep.

6

Low will be onSun. 14, Sep.

1.3

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