Santiago, Region Metropolitana, Chile Climate Change Severity

62
Very High
The current climate change severity in Santiago is Very High, with a 23.1% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Santiago Weather Condition Changes (Historic Vs 2025)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Santiago temperature has changed by around +10.5%, 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
121113
-6.6%

cloudyCloudy
3428
-17.6%

rainyRainy
3421
-38.2%

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, Santiago 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 2025, Santiago experienced significant changes:

Temperature change of

+1.5 °C


Variation in annual rainfall

-42.01 %


Change in average humidity

-12.6 %


PM2.5 levels surged by

-9.9 %


Heatwave changed by

+6.8 day(s)


Coldwave changed by

-0.4 day(s)


Wind speeds changed by

+1.2 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Santiago'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.

Santiago Weather Forecast 30 Days (August - September 2025)
Santiago, Region Metropolitana, Chile


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 9, Aug.
sunnySunny

Temperature Icon17°/6°

Humidity Icon49%

Wind Icon9km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy

Temperature Icon19°/6°

Humidity Icon51%

Wind Icon7km/h
Mon. 11, Aug.
partly cloudyPartly Cloudy

Temperature Icon22°/9°

Humidity Icon40%

Wind Icon6km/h
Tue. 12, Aug.
overcastOvercast

Temperature Icon18°/12°

Humidity Icon57%

Wind Icon8km/h
Wed. 13, Aug.
partly cloudyPartly Cloudy

Temperature Icon20°/11°

Humidity Icon68%

Wind Icon7km/h
Thu. 14, Aug.
sunnySunny

Temperature Icon21°/9°

Humidity Icon57%

Wind Icon8km/h
Fri. 15, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon16°/10°

Humidity Icon71%

Wind Icon8km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/9°

Humidity Icon65%

Wind Icon9km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon19°/7°

Humidity Icon55%

Wind Icon12km/h
Mon. 18, Aug.
moderate rainModerate rain

Temperature Icon8°/5°

Humidity Icon86%

Wind Icon14km/h
Tue. 19, Aug.
partly cloudyPartly Cloudy

Temperature Icon11°/2°

Humidity Icon65%

Wind Icon6km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon14°/6°

Humidity Icon67%

Wind Icon7km/h
Thu. 21, Aug.
moderate rainModerate rain

Temperature Icon13°/7°

Humidity Icon86%

Wind Icon6km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/5°

Humidity Icon51%

Wind Icon12km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon13°/4°

Humidity Icon61%

Wind Icon10km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon13°/4°

Humidity Icon56%

Wind Icon10km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon14°/4°

Humidity Icon53%

Wind Icon11km/h
Tue. 26, Aug.
heavy rain at timesHeavy rain at times

Temperature Icon15°/4°

Humidity Icon50%

Wind Icon10km/h
Wed. 27, Aug.
heavy rain at timesHeavy rain at times

Temperature Icon16°/5°

Humidity Icon49%

Wind Icon11km/h
Thu. 28, Aug.
heavy rain at timesHeavy rain at times

Temperature Icon16°/6°

Humidity Icon51%

Wind Icon13km/h
Fri. 29, Aug.
moderate rain at timesModerate rain at times

Temperature Icon17°/6°

Humidity Icon50%

Wind Icon12km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon16°/6°

Humidity Icon51%

Wind Icon11km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon16°/6°

Humidity Icon52%

Wind Icon11km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon14°/6°

Humidity Icon58%

Wind Icon12km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/5°

Humidity Icon54%

Wind Icon12km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/5°

Humidity Icon54%

Wind Icon12km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/5°

Humidity Icon52%

Wind Icon12km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/5°

Humidity Icon54%

Wind Icon12km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/6°

Humidity Icon56%

Wind Icon11km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/5°

Humidity Icon57%

Wind Icon12km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/5°

Humidity Icon54%

Wind Icon12km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 11, Aug.

21.5°C


Low will be onTue. 19, Aug.

1.9°C

HumidityHumidity

High will be onMon. 18, Aug.

86%


Low will be onMon. 11, Aug.

40%

Wind SpeedWind Speed

High will be onMon. 18, Aug.

14.4km/h


Low will be onMon. 11, Aug.

5.8km/h

PrecipitationPrecipitation

High will be onSat. 6, Sep.

9.5mm


Low will be onTue. 12, Aug.

0.02mm

Ultraviolet IndexUV

High will be onWed. 13, Aug.

5


Low will be onMon. 18, Aug.

3