Saint Nazaire, Pays de la Loire, France Climate Change Severity

62
Very High
The current climate change severity in Saint Nazaire is Very High, with a 39.9% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Saint Nazaire 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), Saint Nazaire temperature has changed by around +15.5%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
3671
97.2%
cloudyCloudy
5019
-62%
rainyRainy
10175
-25.7%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Saint Nazaire has experienced measurable shifts in key climate parameters, contributing to the current severity score of 62 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

62/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Saint Nazaire experienced significant changes:

Temperature change of

+1.89 °C

Variation in annual rainfall

+10.78 %

Change in average humidity

-5.87 %

PM2.5 levels surged by

-31.2 %

Heatwave changed by

+18 Days

Coldwave changed by

-4 Days

Wind speeds changed by

+2.96 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Saint Nazaire's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Saint Nazaire Weather Forecast 30 Days (August - September 2026)
Saint Nazaire, Pays de la Loire, France

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Mon. 17, Aug.
blizzardBlizzard
Temperature Icon3°/1°
Humidity Icon66%
Wind Icon60.1km/h
Tue. 18, Aug.
light snow showersSnow Showers
Temperature Icon4°/2°
Humidity Icon73%
Wind Icon51.5km/h
Wed. 19, Aug.
blowing snowBlowing Snow
Temperature Icon6°/2°
Humidity Icon78%
Wind Icon52.9km/h
Thu. 20, Aug.
light rain showerRain Shower
Temperature Icon8°/4°
Humidity Icon94%
Wind Icon67km/h
Fri. 21, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/4°
Humidity Icon86%
Wind Icon74.2km/h
Sat. 22, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/4°
Humidity Icon88%
Wind Icon73.8km/h
Sun. 23, Aug.
blowing snowBlowing Snow
Temperature Icon6°/3°
Humidity Icon77%
Wind Icon67.3km/h
Mon. 24, Aug.
overcastOvercast
Temperature Icon5°/3°
Humidity Icon74%
Wind Icon50km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon23°/15°
Humidity Icon73%
Wind Icon23.4km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon23°/15°
Humidity Icon76%
Wind Icon22.3km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon23°/15°
Humidity Icon76%
Wind Icon20.9km/h
Fri. 28, Aug.
moderate rain at timesRain
Temperature Icon23°/15°
Humidity Icon71%
Wind Icon20.2km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon23°/14°
Humidity Icon72%
Wind Icon20.6km/h
Sun. 30, Aug.
heavy rain at timesHeavy Rain
Temperature Icon22°/14°
Humidity Icon73%
Wind Icon19.7km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon23°/14°
Humidity Icon73%
Wind Icon20km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon22°/14°
Humidity Icon74%
Wind Icon19.7km/h
Wed. 2, Sep.
heavy rain at timesHeavy Rain
Temperature Icon23°/14°
Humidity Icon72%
Wind Icon20.4km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon23°/15°
Humidity Icon74%
Wind Icon20.8km/h
Fri. 4, Sep.
moderate rain at timesRain
Temperature Icon23°/15°
Humidity Icon74%
Wind Icon19.7km/h
Sat. 5, Sep.
moderate rain at timesRain
Temperature Icon23°/15°
Humidity Icon74%
Wind Icon18.1km/h
Sun. 6, Sep.
heavy rain at timesHeavy Rain
Temperature Icon23°/14°
Humidity Icon72%
Wind Icon20.3km/h
Mon. 7, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon23°/15°
Humidity Icon71%
Wind Icon19.2km/h
Tue. 8, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon23°/14°
Humidity Icon73%
Wind Icon20.5km/h
Wed. 9, Sep.
heavy rain at timesHeavy Rain
Temperature Icon23°/15°
Humidity Icon75%
Wind Icon21km/h
Thu. 10, Sep.
moderate rain at timesRain
Temperature Icon22°/15°
Humidity Icon78%
Wind Icon21.6km/h
Fri. 11, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon22°/14°
Humidity Icon75%
Wind Icon20.5km/h
Sat. 12, Sep.
moderate rain at timesRain
Temperature Icon22°/14°
Humidity Icon73%
Wind Icon20.1km/h
Sun. 13, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon22°/14°
Humidity Icon74%
Wind Icon21.9km/h
Mon. 14, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon21°/14°
Humidity Icon74%
Wind Icon22.9km/h
Tue. 15, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon22°/13°
Humidity Icon73%
Wind Icon19.9km/h
Wed. 16, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon21°/13°
Humidity Icon74%
Wind Icon21.1km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 25, Aug.

23°C

Low will be onMon. 17, Aug.

1°C

HumidityHumidity

High will be onThu. 20, Aug.

94%

Low will be onMon. 17, Aug.

66%

Wind SpeedWind Speed

High will be onFri. 21, Aug.

74.2km/h

Low will be onSat. 5, Sep.

18.1km/h

PrecipitationPrecipitation

High will be onThu. 20, Aug.

10.9mm

Low will be onMon. 24, Aug.

0.01mm

Ultraviolet IndexUV

High will be onTue. 18, Aug.

7.1

Low will be onSat. 22, Aug.

2

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