Saint Brieuc, Bretagne, France Climate Change Severity

33
Moderate
The current climate change severity in Saint Brieuc is Moderate, with a -25.2% 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 Brieuc 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 Brieuc temperature has changed by around +4.9%, 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
2427
12.5%
cloudyCloudy
4729
-38.2%
rainyRainy
113113
0%
snowySnowy
00
0%
mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 15 years, Saint Brieuc 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 Brieuc experienced significant changes:

Temperature change of

+0.5 °C

Variation in annual rainfall

+7.8 %

Change in average humidity

-2.2 %

PM2.5 levels surged by

-14.7 %

Heatwave changed by

+4.6 day(s)

Coldwave changed by

-3.5 day(s)

Wind speeds changed by

-0.6 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 Brieuc Weather Forecast 30 Days (August - September 2025)
Saint Brieuc, Bretagne, France

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 8, Aug.
partly cloudyPartly Cloudy
Temperature Icon24°/14°
Humidity Icon71%
Wind Icon19km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon23°/13°
Humidity Icon72%
Wind Icon22km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon24°/13°
Humidity Icon70%
Wind Icon20km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/15°
Humidity Icon55%
Wind Icon26km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/16°
Humidity Icon53%
Wind Icon23km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/15°
Humidity Icon70%
Wind Icon16km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon25°/15°
Humidity Icon75%
Wind Icon20km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon25°/14°
Humidity Icon74%
Wind Icon18km/h
Sat. 16, Aug.
partly cloudyPartly Cloudy
Temperature Icon24°/14°
Humidity Icon78%
Wind Icon22km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/11°
Humidity Icon75%
Wind Icon25km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/10°
Humidity Icon68%
Wind Icon25km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon21°/12°
Humidity Icon68%
Wind Icon20km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon23°/12°
Humidity Icon68%
Wind Icon18km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon28°/14°
Humidity Icon57%
Wind Icon20km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon29°/15°
Humidity Icon47%
Wind Icon22km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/14°
Humidity Icon79%
Wind Icon17km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon80%
Wind Icon21km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/13°
Humidity Icon82%
Wind Icon23km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon83%
Wind Icon24km/h
Wed. 27, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon20°/13°
Humidity Icon83%
Wind Icon21km/h
Thu. 28, Aug.
moderate rain at timesModerate rain at times
Temperature Icon20°/13°
Humidity Icon79%
Wind Icon20km/h
Fri. 29, Aug.
moderate rain at timesModerate rain at times
Temperature Icon20°/12°
Humidity Icon78%
Wind Icon21km/h
Sat. 30, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon20°/12°
Humidity Icon79%
Wind Icon17km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/12°
Humidity Icon79%
Wind Icon19km/h
Mon. 1, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon20°/12°
Humidity Icon78%
Wind Icon19km/h
Tue. 2, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon20°/12°
Humidity Icon79%
Wind Icon16km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon81%
Wind Icon20km/h
Thu. 4, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon21°/13°
Humidity Icon80%
Wind Icon18km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon21°/14°
Humidity Icon78%
Wind Icon21km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon80%
Wind Icon20km/h
Sun. 7, Sep.
moderate rain at timesModerate rain at times
Temperature Icon21°/13°
Humidity Icon76%
Wind Icon18km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 12, Aug.

33.1°C

Low will be onMon. 18, Aug.

10.2°C

HumidityHumidity

High will be onTue. 26, Aug.

83%

Low will be onFri. 22, Aug.

47%

Wind SpeedWind Speed

High will be onMon. 11, Aug.

25.6km/h

Low will be onWed. 13, Aug.

15.5km/h

PrecipitationPrecipitation

High will be onMon. 25, Aug.

5.7mm

Low will be onFri. 8, Aug.

0.01mm

Ultraviolet IndexUV

High will be onFri. 22, Aug.

6

Low will be onTue. 12, Aug.

1.6

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