Chillan, Biobio, Chile Climate Change Severity

48
High
The current climate change severity in Chillan is High, with a 3.5% 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 May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Chillan 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), Chillan temperature has changed by around -2.4%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
8879
-10.2%
cloudyCloudy
2921
-27.5%
rainyRainy
2318
-21.7%
snowySnowy
00
0%
mistyMisty
08
100%

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

Climate Change Indicators:

Over the past 16 years, Chillan 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, Chillan experienced significant changes:

Temperature change of

-0.41 °C

Variation in annual rainfall

-15.26 %

Change in average humidity

+0.32 %

PM2.5 levels surged by

-60.03 %

Heatwave changed by

-2 Days

Coldwave changed by

+2 Days

Wind speeds changed by

+3.16 km/h

These indicators show that Chillan 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 May

Chillan Weather Forecast 30 Days (June - July 2026)
Chillan, Biobio, Chile

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 4, Jun.
partly cloudyPartly Cloudy
Temperature Icon17°/9°
Humidity Icon73%
Wind Icon12.6km/h
Fri. 5, Jun.
overcastOvercast
Temperature Icon15°/9°
Humidity Icon77%
Wind Icon9.7km/h
Sat. 6, Jun.
partly cloudyPartly Cloudy
Temperature Icon16°/8°
Humidity Icon77%
Wind Icon8.6km/h
Sun. 7, Jun.
sunnySunny
Temperature Icon18°/7°
Humidity Icon77%
Wind Icon12.2km/h
Mon. 8, Jun.
partly cloudyPartly Cloudy
Temperature Icon16°/7°
Humidity Icon76%
Wind Icon7.6km/h
Tue. 9, Jun.
moderate rainRain
Temperature Icon15°/9°
Humidity Icon74%
Wind Icon33.5km/h
Wed. 10, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/9°
Humidity Icon90%
Wind Icon23.4km/h
Thu. 11, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/8°
Humidity Icon91%
Wind Icon17.6km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon78%
Wind Icon19.8km/h
Sat. 13, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon77%
Wind Icon17.6km/h
Sun. 14, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon79%
Wind Icon19.4km/h
Mon. 15, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon82%
Wind Icon18.4km/h
Tue. 16, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon80%
Wind Icon19.4km/h
Wed. 17, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon78%
Wind Icon18.4km/h
Thu. 18, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon79%
Wind Icon17.3km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/5°
Humidity Icon77%
Wind Icon14km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon79%
Wind Icon15.8km/h
Sun. 21, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon80%
Wind Icon20.2km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon81%
Wind Icon20.2km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon82%
Wind Icon18.4km/h
Wed. 24, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon79%
Wind Icon18km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/4°
Humidity Icon76%
Wind Icon15.5km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/4°
Humidity Icon76%
Wind Icon17.3km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon82%
Wind Icon18.4km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon82%
Wind Icon18.4km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon83%
Wind Icon15.8km/h
Tue. 30, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon79%
Wind Icon14.8km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon79%
Wind Icon15.8km/h
Thu. 2, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon82%
Wind Icon17.6km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon80%
Wind Icon18km/h
Sat. 4, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon83%
Wind Icon20.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 7, Jun.

18°C

Low will be onThu. 25, Jun.

4°C

HumidityHumidity

High will be onThu. 11, Jun.

91%

Low will be onThu. 4, Jun.

73%

Wind SpeedWind Speed

High will be onTue. 9, Jun.

33.5km/h

Low will be onMon. 8, Jun.

7.6km/h

PrecipitationPrecipitation

High will be onThu. 18, Jun.

16.1mm

Low will be onThu. 11, Jun.

2.4mm

Ultraviolet IndexUV

High will be onMon. 8, Jun.

5

Low will be onWed. 10, Jun.

3

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