Talcahuano, Biobio, Chile Climate Change Severity

48
High
The current climate change severity in Talcahuano is High, with a 19.8% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Aug. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Talcahuano Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Talcahuano temperature has changed by around -1.7%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Aug. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
102110
7.8%
cloudyCloudy
5233
-36.5%
rainyRainy
6657
-13.6%
snowySnowy
00
0%
mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 16 years, Talcahuano has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Talcahuano experienced significant changes:

Temperature change of

-0.23 °C

Variation in annual rainfall

+20.95 %

Change in average humidity

+0.54 %

PM2.5 levels surged by

-55.71 %

Heatwave changed by

-1 Day

Coldwave changed by

+4 Days

Wind speeds changed by

+0.51 km/h

These indicators show that Talcahuano 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.

Talcahuano Weather Forecast 30 Days (September - October 2026)
Talcahuano, Biobio, Chile

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Tue. 29, Sep.
overcastOvercast
Temperature Icon13°/6°
Humidity Icon74%
Wind Icon10.8km/h
Wed. 30, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/8°
Humidity Icon84%
Wind Icon17.6km/h
Thu. 1, Oct.
overcastOvercast
Temperature Icon17°/10°
Humidity Icon78%
Wind Icon11.2km/h
Fri. 2, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/11°
Humidity Icon87%
Wind Icon20.5km/h
Sat. 3, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/10°
Humidity Icon81%
Wind Icon19.8km/h
Sun. 4, Oct.
sunnySunny
Temperature Icon14°/9°
Humidity Icon74%
Wind Icon12.2km/h
Mon. 5, Oct.
overcastOvercast
Temperature Icon15°/8°
Humidity Icon73%
Wind Icon10.1km/h
Tue. 6, Oct.
overcastOvercast
Temperature Icon13°/10°
Humidity Icon72%
Wind Icon12.6km/h
Wed. 7, Oct.
heavy rain at timesHeavy Rain
Temperature Icon15°/8°
Humidity Icon77%
Wind Icon21.9km/h
Thu. 8, Oct.
moderate rain at timesRain
Temperature Icon15°/9°
Humidity Icon75%
Wind Icon22.1km/h
Fri. 9, Oct.
patchy rain possibleRain Possible
Temperature Icon16°/9°
Humidity Icon75%
Wind Icon22.8km/h
Sat. 10, Oct.
moderate rain at timesRain
Temperature Icon16°/9°
Humidity Icon74%
Wind Icon22km/h
Sun. 11, Oct.
heavy rain at timesHeavy Rain
Temperature Icon15°/9°
Humidity Icon77%
Wind Icon19.9km/h
Mon. 12, Oct.
moderate rain at timesRain
Temperature Icon15°/9°
Humidity Icon77%
Wind Icon23.7km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon16°/9°
Humidity Icon76%
Wind Icon22.2km/h
Wed. 14, Oct.
heavy rain at timesHeavy Rain
Temperature Icon16°/9°
Humidity Icon76%
Wind Icon21.7km/h
Thu. 15, Oct.
heavy rain at timesHeavy Rain
Temperature Icon15°/9°
Humidity Icon80%
Wind Icon22.9km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/9°
Humidity Icon80%
Wind Icon24.9km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/9°
Humidity Icon79%
Wind Icon21.4km/h
Sun. 18, Oct.
heavy rain at timesHeavy Rain
Temperature Icon15°/10°
Humidity Icon79%
Wind Icon17km/h
Mon. 19, Oct.
moderate rain at timesRain
Temperature Icon15°/9°
Humidity Icon79%
Wind Icon20.7km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/10°
Humidity Icon79%
Wind Icon19.9km/h
Wed. 21, Oct.
moderate rain at timesRain
Temperature Icon16°/10°
Humidity Icon76%
Wind Icon22.4km/h
Thu. 22, Oct.
moderate rain at timesRain
Temperature Icon16°/9°
Humidity Icon75%
Wind Icon21.3km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/9°
Humidity Icon78%
Wind Icon19.7km/h
Sat. 24, Oct.
heavy rain at timesHeavy Rain
Temperature Icon16°/9°
Humidity Icon78%
Wind Icon21.9km/h
Sun. 25, Oct.
patchy rain possibleRain Possible
Temperature Icon16°/9°
Humidity Icon76%
Wind Icon22.6km/h
Mon. 26, Oct.
patchy rain possibleRain Possible
Temperature Icon17°/10°
Humidity Icon76%
Wind Icon21.4km/h
Tue. 27, Oct.
heavy rain at timesHeavy Rain
Temperature Icon16°/11°
Humidity Icon78%
Wind Icon20.5km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon16°/11°
Humidity Icon80%
Wind Icon25.7km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/10°
Humidity Icon77%
Wind Icon24.2km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 1, Oct.

17°C

Low will be onTue. 29, Sep.

6°C

HumidityHumidity

High will be onFri. 2, Oct.

87%

Low will be onTue. 6, Oct.

72%

Wind SpeedWind Speed

High will be onWed. 28, Oct.

25.7km/h

Low will be onMon. 5, Oct.

10.1km/h

PrecipitationPrecipitation

High will be onFri. 2, Oct.

10.6mm

Low will be onSun. 4, Oct.

0.1mm

Ultraviolet IndexUV

High will be onTue. 29, Sep.

7.3

Low will be onWed. 30, Sep.

3.8

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