Saint Nazaire, Pays De La Loire, France Climate Change Severity

33
Moderate
The current climate change severity in Saint Nazaire is Moderate, with a 24.5% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Saint Nazaire 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), Saint Nazaire temperature has changed by around +3.1%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
5568
23.6%
cloudyCloudy
7845
-42.3%
rainyRainy
141117
-17.02%
snowySnowy
00
0%
mistyMisty
02
100%

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

Climate Change Indicators:

Over the past 15 years, Saint Nazaire has experienced measurable improvements in key climate parameters, contributing to the current severity score of 33 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

33/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Saint Nazaire experienced significant changes:

Temperature change of

+0.4 °C

Variation in annual rainfall

+7.9 %

Change in average humidity

-4.6 %

PM2.5 levels surged by

-20.6 %

Heatwave changed by

-3 day(s)

Coldwave changed by

-6 day(s)

Wind speeds changed by

+1.1 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Saint Nazaire Weather Forecast 30 Days (November - December 2025)
Saint Nazaire, Pays De La Loire, France

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 1, Nov.
moderate rainModerate rain
Temperature Icon15°/12°
Humidity Icon81%
Wind Icon34km/h
Sun. 2, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/12°
Humidity Icon80%
Wind Icon32km/h
Mon. 3, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/14°
Humidity Icon88%
Wind Icon33km/h
Tue. 4, Nov.
overcastOvercast
Temperature Icon16°/14°
Humidity Icon84%
Wind Icon34km/h
Wed. 5, Nov.
partly cloudyPartly Cloudy
Temperature Icon17°/13°
Humidity Icon82%
Wind Icon25km/h
Thu. 6, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/11°
Humidity Icon83%
Wind Icon20km/h
Fri. 7, Nov.
sunnySunny
Temperature Icon14°/7°
Humidity Icon76%
Wind Icon13km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon14°/6°
Humidity Icon75%
Wind Icon14km/h
Sun. 9, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/8°
Humidity Icon80%
Wind Icon18km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon13°/6°
Humidity Icon81%
Wind Icon14km/h
Tue. 11, Nov.
sunnySunny
Temperature Icon14°/7°
Humidity Icon80%
Wind Icon16km/h
Wed. 12, Nov.
sunnySunny
Temperature Icon14°/7°
Humidity Icon76%
Wind Icon16km/h
Thu. 13, Nov.
partly cloudyPartly Cloudy
Temperature Icon15°/8°
Humidity Icon76%
Wind Icon20km/h
Fri. 14, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/9°
Humidity Icon80%
Wind Icon27km/h
Sat. 15, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/9°
Humidity Icon83%
Wind Icon24km/h
Sun. 16, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/9°
Humidity Icon84%
Wind Icon26km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/8°
Humidity Icon84%
Wind Icon25km/h
Tue. 18, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon13°/8°
Humidity Icon83%
Wind Icon23km/h
Wed. 19, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/8°
Humidity Icon82%
Wind Icon28km/h
Thu. 20, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon83%
Wind Icon28km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/7°
Humidity Icon82%
Wind Icon29km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon82%
Wind Icon29km/h
Mon. 24, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon13°/9°
Humidity Icon84%
Wind Icon30km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon81%
Wind Icon27km/h
Wed. 26, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/7°
Humidity Icon82%
Wind Icon24km/h
Thu. 27, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon84%
Wind Icon29km/h
Fri. 28, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/7°
Humidity Icon82%
Wind Icon28km/h
Sat. 29, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/6°
Humidity Icon80%
Wind Icon26km/h
Sun. 30, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon10°/6°
Humidity Icon82%
Wind Icon24km/h
Mon. 1, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/6°
Humidity Icon84%
Wind Icon27km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 5, Nov.

17.1°C

Low will be onSun. 30, Nov.

5.7°C

HumidityHumidity

High will be onMon. 3, Nov.

88%

Low will be onSat. 8, Nov.

75%

Wind SpeedWind Speed

High will be onSat. 1, Nov.

34.2km/h

Low will be onFri. 7, Nov.

13.3km/h

PrecipitationPrecipitation

High will be onSat. 1, Nov.

7.6mm

Low will be onTue. 4, Nov.

0.08mm

Ultraviolet IndexUV

High will be onTue. 4, Nov.

4

Low will be onSat. 1, Nov.

0.1

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