Talcahuano, Biobio, Chile Climate Change Severity

38
Moderate
The current climate change severity in Talcahuano is Moderate, with a 3.06% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Talcahuano 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), Talcahuano temperature has changed by around -1.6%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
124111
-10.4%
cloudyCloudy
6655
-16.6%
rainyRainy
8856
-36.3%
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, Talcahuano has experienced measurable improvements in key climate parameters, contributing to the current severity score of 38 (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

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Talcahuano experienced significant changes:

Temperature change of

-0.2 °C

Variation in annual rainfall

-15.9 %

Change in average humidity

-0.7 %

PM2.5 levels surged by

-28.5 %

Heatwave changed by

-1.7 day(s)

Coldwave changed by

-0.2 day(s)

Wind speeds changed by

+0.4 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 Oct.

Talcahuano Weather Forecast 30 Days (November - December 2025)
Talcahuano, Biobio, Chile

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 5, Nov.
sunnySunny
Temperature Icon15°/11°
Humidity Icon85%
Wind Icon14km/h
Thu. 6, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/11°
Humidity Icon84%
Wind Icon17km/h
Fri. 7, Nov.
partly cloudyPartly Cloudy
Temperature Icon14°/10°
Humidity Icon80%
Wind Icon21km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon16°/10°
Humidity Icon81%
Wind Icon25km/h
Sun. 9, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/12°
Humidity Icon83%
Wind Icon12km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon14°/9°
Humidity Icon78%
Wind Icon15km/h
Tue. 11, Nov.
sunnySunny
Temperature Icon15°/10°
Humidity Icon79%
Wind Icon28km/h
Wed. 12, Nov.
sunnySunny
Temperature Icon16°/9°
Humidity Icon72%
Wind Icon31km/h
Thu. 13, Nov.
partly cloudyPartly Cloudy
Temperature Icon16°/10°
Humidity Icon72%
Wind Icon32km/h
Fri. 14, Nov.
sunnySunny
Temperature Icon16°/11°
Humidity Icon72%
Wind Icon29km/h
Sat. 15, Nov.
sunnySunny
Temperature Icon16°/10°
Humidity Icon69%
Wind Icon25km/h
Sun. 16, Nov.
sunnySunny
Temperature Icon15°/11°
Humidity Icon73%
Wind Icon27km/h
Mon. 17, Nov.
sunnySunny
Temperature Icon16°/9°
Humidity Icon62%
Wind Icon37km/h
Tue. 18, Nov.
moderate rain at timesModerate rain at times
Temperature Icon17°/11°
Humidity Icon76%
Wind Icon23km/h
Wed. 19, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon17°/11°
Humidity Icon77%
Wind Icon24km/h
Thu. 20, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon17°/11°
Humidity Icon75%
Wind Icon23km/h
Fri. 21, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon18°/11°
Humidity Icon76%
Wind Icon22km/h
Sun. 23, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon18°/12°
Humidity Icon77%
Wind Icon21km/h
Mon. 24, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon18°/11°
Humidity Icon77%
Wind Icon22km/h
Tue. 25, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon18°/11°
Humidity Icon73%
Wind Icon25km/h
Wed. 26, Nov.
moderate rain at timesModerate rain at times
Temperature Icon19°/11°
Humidity Icon72%
Wind Icon24km/h
Thu. 27, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon18°/11°
Humidity Icon74%
Wind Icon24km/h
Fri. 28, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon18°/11°
Humidity Icon76%
Wind Icon25km/h
Sat. 29, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon19°/11°
Humidity Icon72%
Wind Icon26km/h
Sun. 30, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon19°/11°
Humidity Icon73%
Wind Icon25km/h
Mon. 1, Dec.
patchy rain possiblePatchy rain possible
Temperature Icon19°/11°
Humidity Icon74%
Wind Icon23km/h
Tue. 2, Dec.
moderate rain at timesModerate rain at times
Temperature Icon19°/12°
Humidity Icon74%
Wind Icon23km/h
Wed. 3, Dec.
patchy rain possiblePatchy rain possible
Temperature Icon19°/11°
Humidity Icon72%
Wind Icon22km/h
Thu. 4, Dec.
patchy rain possiblePatchy rain possible
Temperature Icon20°/12°
Humidity Icon74%
Wind Icon25km/h
Fri. 5, Dec.
patchy rain possiblePatchy rain possible
Temperature Icon19°/12°
Humidity Icon77%
Wind Icon22km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 4, Dec.

19.6°C

Low will be onWed. 12, Nov.

9.2°C

HumidityHumidity

High will be onWed. 5, Nov.

85%

Low will be onMon. 17, Nov.

62%

Wind SpeedWind Speed

High will be onMon. 17, Nov.

36.7km/h

Low will be onSun. 9, Nov.

12.2km/h

PrecipitationPrecipitation

High will be onTue. 18, Nov.

0.8mm

Low will be onSat. 8, Nov.

0.01mm

Ultraviolet IndexUV

High will be onMon. 1, Dec.

7

Low will be onSat. 8, Nov.

0.1

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