Santos, State Of Sao Paulo, Brazil Climate Change Severity

52
High
The current climate change severity in Santos is High, with a 34.7% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Santos 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), Santos temperature has changed by around -3.2%, 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
5744
-22.8%
cloudyCloudy
3242
31.2%
rainyRainy
141112
-20.5%
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, Santos has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Santos experienced significant changes:

Temperature change of

-0.7 °C

Variation in annual rainfall

-36.7 %

Change in average humidity

-0.05 %

PM2.5 levels surged by

-18.5 %

Heatwave changed by

-1.4 day(s)

Coldwave changed by

-5.2 day(s)

Wind speeds changed by

+2.04 km/h

These indicators show that Santos is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

Santos Weather Forecast 30 Days (September - October 2025)
Santos, State Of Sao Paulo, Brazil

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 17, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/18°
Humidity Icon84%
Wind Icon25km/h
Thu. 18, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/18°
Humidity Icon80%
Wind Icon16km/h
Fri. 19, Sep.
sunnySunny
Temperature Icon23°/19°
Humidity Icon82%
Wind Icon17km/h
Sat. 20, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/20°
Humidity Icon86%
Wind Icon21km/h
Sun. 21, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/20°
Humidity Icon83%
Wind Icon30km/h
Mon. 22, Sep.
moderate rainModerate rain
Temperature Icon24°/19°
Humidity Icon87%
Wind Icon42km/h
Tue. 23, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/18°
Humidity Icon72%
Wind Icon23km/h
Wed. 24, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/19°
Humidity Icon73%
Wind Icon29km/h
Thu. 25, Sep.
moderate rainModerate rain
Temperature Icon17°/16°
Humidity Icon89%
Wind Icon17km/h
Fri. 26, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/17°
Humidity Icon85%
Wind Icon24km/h
Sat. 27, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/18°
Humidity Icon83%
Wind Icon24km/h
Sun. 28, Sep.
sunnySunny
Temperature Icon22°/18°
Humidity Icon81%
Wind Icon28km/h
Mon. 29, Sep.
sunnySunny
Temperature Icon22°/19°
Humidity Icon82%
Wind Icon21km/h
Tue. 30, Sep.
partly cloudyPartly Cloudy
Temperature Icon22°/19°
Humidity Icon79%
Wind Icon11km/h
Wed. 1, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/20°
Humidity Icon85%
Wind Icon18km/h
Thu. 2, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/21°
Humidity Icon82%
Wind Icon17km/h
Fri. 3, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/20°
Humidity Icon86%
Wind Icon18km/h
Sat. 4, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon86%
Wind Icon19km/h
Sun. 5, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/20°
Humidity Icon85%
Wind Icon19km/h
Mon. 6, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/20°
Humidity Icon85%
Wind Icon19km/h
Tue. 7, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/20°
Humidity Icon86%
Wind Icon19km/h
Wed. 8, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/20°
Humidity Icon84%
Wind Icon17km/h
Thu. 9, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/20°
Humidity Icon84%
Wind Icon18km/h
Fri. 10, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/21°
Humidity Icon81%
Wind Icon17km/h
Sat. 11, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/20°
Humidity Icon85%
Wind Icon18km/h
Sun. 12, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/21°
Humidity Icon85%
Wind Icon16km/h
Mon. 13, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/21°
Humidity Icon83%
Wind Icon16km/h
Tue. 14, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/21°
Humidity Icon86%
Wind Icon18km/h
Wed. 15, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/21°
Humidity Icon85%
Wind Icon18km/h
Thu. 16, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/21°
Humidity Icon85%
Wind Icon18km/h
Fri. 17, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/21°
Humidity Icon87%
Wind Icon17km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 13, Oct.

25.5°C

Low will be onThu. 25, Sep.

16.2°C

HumidityHumidity

High will be onThu. 25, Sep.

89%

Low will be onTue. 23, Sep.

72%

Wind SpeedWind Speed

High will be onMon. 22, Sep.

41.8km/h

Low will be onTue. 30, Sep.

11.2km/h

PrecipitationPrecipitation

High will be onThu. 25, Sep.

13.2mm

Low will be onSat. 27, Sep.

0.1mm

Ultraviolet IndexUV

High will be onSun. 28, Sep.

7

Low will be onSun. 21, Sep.

0.5

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