Chico, California, United States Climate Change Severity

52
High
The current climate change severity in Chico is High, with a 5.9% 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)

Chico 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), Chico temperature has changed by around -1.2%, 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
171157
-8.1%
cloudyCloudy
6360
-4.7%
rainyRainy
5435
-35.1%
snowySnowy
00
0%
mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 15 years, Chico has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). While the score remains High, certain factors have improved over time. 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, Chico experienced significant changes:

Temperature change of

-0.2 °C

Variation in annual rainfall

+21.8 %

Change in average humidity

+8.4 %

PM2.5 levels surged by

-30.4 %

Heatwave changed by

-10.6 day(s)

Coldwave changed by

-0.6 day(s)

Wind speeds changed by

+0.3 km/h

These indicators show improvement in key parametes of climate, but Chico remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

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

Chico Weather Forecast 30 Days (November - December 2025)
Chico, California, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 3, Nov.
sunnySunny
Temperature Icon27°/12°
Humidity Icon47%
Wind Icon19km/h
Tue. 4, Nov.
partly cloudyPartly Cloudy
Temperature Icon20°/14°
Humidity Icon52%
Wind Icon16km/h
Wed. 5, Nov.
heavy rainHeavy rain
Temperature Icon12°/11°
Humidity Icon87%
Wind Icon26km/h
Thu. 6, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/10°
Humidity Icon79%
Wind Icon14km/h
Fri. 7, Nov.
partly cloudyPartly Cloudy
Temperature Icon14°/10°
Humidity Icon74%
Wind Icon8km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon22°/10°
Humidity Icon69%
Wind Icon7km/h
Sun. 9, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/11°
Humidity Icon82%
Wind Icon17km/h
Mon. 10, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/10°
Humidity Icon72%
Wind Icon11km/h
Tue. 11, Nov.
sunnySunny
Temperature Icon18°/8°
Humidity Icon52%
Wind Icon16km/h
Wed. 12, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/9°
Humidity Icon80%
Wind Icon25km/h
Thu. 13, Nov.
partly cloudyPartly Cloudy
Temperature Icon15°/5°
Humidity Icon68%
Wind Icon10km/h
Fri. 14, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/10°
Humidity Icon82%
Wind Icon15km/h
Sat. 15, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/9°
Humidity Icon78%
Wind Icon7km/h
Sun. 16, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/8°
Humidity Icon72%
Wind Icon23km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/7°
Humidity Icon53%
Wind Icon12km/h
Tue. 18, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/7°
Humidity Icon59%
Wind Icon15km/h
Wed. 19, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/6°
Humidity Icon64%
Wind Icon13km/h
Thu. 20, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/6°
Humidity Icon69%
Wind Icon17km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/6°
Humidity Icon65%
Wind Icon13km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/6°
Humidity Icon60%
Wind Icon16km/h
Mon. 24, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon16°/5°
Humidity Icon56%
Wind Icon13km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/5°
Humidity Icon55%
Wind Icon10km/h
Wed. 26, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/5°
Humidity Icon55%
Wind Icon14km/h
Thu. 27, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/5°
Humidity Icon59%
Wind Icon14km/h
Fri. 28, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/5°
Humidity Icon59%
Wind Icon13km/h
Sat. 29, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/4°
Humidity Icon60%
Wind Icon14km/h
Sun. 30, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/5°
Humidity Icon61%
Wind Icon13km/h
Mon. 1, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/5°
Humidity Icon65%
Wind Icon14km/h
Tue. 2, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/6°
Humidity Icon63%
Wind Icon13km/h
Wed. 3, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/6°
Humidity Icon65%
Wind Icon12km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 3, Nov.

27.4°C

Low will be onSat. 29, Nov.

4.3°C

HumidityHumidity

High will be onWed. 5, Nov.

87%

Low will be onMon. 3, Nov.

47%

Wind SpeedWind Speed

High will be onWed. 5, Nov.

26.3km/h

Low will be onSat. 8, Nov.

7.2km/h

PrecipitationPrecipitation

High will be onWed. 5, Nov.

86.3mm

Low will be onFri. 7, Nov.

0.03mm

Ultraviolet IndexUV

High will be onFri. 7, Nov.

4

Low will be onFri. 14, Nov.

2

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