Saint Malo, Bretagne, France Climate Change Severity

33
Moderate
The current climate change severity in Saint Malo is Moderate, with a -28.2% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Saint Malo 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 Malo temperature has changed by around +3.2%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
2935
20.6%
cloudyCloudy
4626
-43.4%
rainyRainy
111103
-7.2%
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 Malo 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 Malo experienced significant changes:

Temperature change of

+0.3 °C

Variation in annual rainfall

-1.6 %

Change in average humidity

-0.8 %

PM2.5 levels surged by

-8.6 %

Heatwave changed by

-0.4 day(s)

Coldwave changed by

-3.2 day(s)

Wind speeds changed by

+0.09 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 Jul.

Saint Malo Weather Forecast 30 Days (August - September 2025)
Saint Malo, Bretagne, France

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 9, Aug.
sunnySunny
Temperature Icon20°/16°
Humidity Icon72%
Wind Icon21km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon24°/15°
Humidity Icon68%
Wind Icon31km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/17°
Humidity Icon56%
Wind Icon32km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon31°/17°
Humidity Icon60%
Wind Icon25km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/18°
Humidity Icon73%
Wind Icon16km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon24°/17°
Humidity Icon78%
Wind Icon20km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon23°/17°
Humidity Icon78%
Wind Icon20km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/17°
Humidity Icon81%
Wind Icon22km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/15°
Humidity Icon72%
Wind Icon28km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon19°/14°
Humidity Icon65%
Wind Icon24km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon20°/16°
Humidity Icon66%
Wind Icon28km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon22°/14°
Humidity Icon66%
Wind Icon24km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon25°/16°
Humidity Icon52%
Wind Icon23km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon25°/17°
Humidity Icon56%
Wind Icon23km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/15°
Humidity Icon77%
Wind Icon19km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon78%
Wind Icon23km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon80%
Wind Icon25km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon80%
Wind Icon25km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon79%
Wind Icon22km/h
Thu. 28, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon21°/15°
Humidity Icon76%
Wind Icon21km/h
Fri. 29, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon20°/14°
Humidity Icon75%
Wind Icon23km/h
Sat. 30, Aug.
moderate rain at timesModerate rain at times
Temperature Icon20°/13°
Humidity Icon77%
Wind Icon20km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon76%
Wind Icon21km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon76%
Wind Icon20km/h
Tue. 2, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon21°/14°
Humidity Icon76%
Wind Icon18km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/14°
Humidity Icon78%
Wind Icon21km/h
Thu. 4, Sep.
moderate rain at timesModerate rain at times
Temperature Icon22°/15°
Humidity Icon78%
Wind Icon21km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon21°/15°
Humidity Icon77%
Wind Icon22km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon77%
Wind Icon22km/h
Sun. 7, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon21°/14°
Humidity Icon73%
Wind Icon20km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon76%
Wind Icon19km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 12, Aug.

30.6°C

Low will be onSat. 30, Aug.

13.4°C

HumidityHumidity

High will be onSat. 16, Aug.

81%

Low will be onThu. 21, Aug.

52%

Wind SpeedWind Speed

High will be onMon. 11, Aug.

32km/h

Low will be onWed. 13, Aug.

16.2km/h

PrecipitationPrecipitation

High will be onMon. 25, Aug.

4.2mm

Low will be onMon. 18, Aug.

0.01mm

Ultraviolet IndexUV

High will be onThu. 21, Aug.

6

Low will be onTue. 12, Aug.

1.6

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