Chiayi, Chiayi, Taiwan Climate Change Severity

43
High
The current climate change severity in Chiayi is High, with a -7.7% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Chiayi 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), Chiayi temperature has changed by around +0.2%, 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
4832
-33.3%
cloudyCloudy
3549
40%
rainyRainy
12174
-38.8%
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, Chiayi has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (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

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Chiayi experienced significant changes:

Temperature change of

+0.06 °C

Variation in annual rainfall

+11.2 %

Change in average humidity

-7.1 %

PM2.5 levels surged by

-19.8 %

Heatwave changed by

-14.06 day(s)

Coldwave changed by

-1.9 day(s)

Wind speeds changed by

+0.9 km/h

These indicators show improvement in key parametes of climate, but Chiayi 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 Jul.

Chiayi Weather Forecast 30 Days (August - September 2025)
Chiayi, Chiayi, Taiwan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/28°
Humidity Icon68%
Wind Icon23km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/28°
Humidity Icon68%
Wind Icon19km/h
Wed. 13, Aug.
heavy rainHeavy rain
Temperature Icon30°/25°
Humidity Icon79%
Wind Icon24km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/25°
Humidity Icon72%
Wind Icon30km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon33°/26°
Humidity Icon68%
Wind Icon23km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/26°
Humidity Icon69%
Wind Icon18km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/27°
Humidity Icon68%
Wind Icon15km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/28°
Humidity Icon66%
Wind Icon21km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/25°
Humidity Icon78%
Wind Icon30km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/25°
Humidity Icon71%
Wind Icon21km/h
Thu. 21, Aug.
partly cloudyPartly Cloudy
Temperature Icon33°/27°
Humidity Icon61%
Wind Icon16km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/28°
Humidity Icon60%
Wind Icon23km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon33°/28°
Humidity Icon63%
Wind Icon16km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/29°
Humidity Icon62%
Wind Icon21km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/27°
Humidity Icon72%
Wind Icon19km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/27°
Humidity Icon72%
Wind Icon17km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/26°
Humidity Icon73%
Wind Icon18km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/26°
Humidity Icon73%
Wind Icon19km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/27°
Humidity Icon73%
Wind Icon19km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/27°
Humidity Icon73%
Wind Icon18km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon73%
Wind Icon16km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon73%
Wind Icon18km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon72%
Wind Icon18km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/26°
Humidity Icon72%
Wind Icon18km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon73%
Wind Icon17km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/26°
Humidity Icon73%
Wind Icon16km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/27°
Humidity Icon73%
Wind Icon16km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon73%
Wind Icon15km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon73%
Wind Icon16km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon73%
Wind Icon17km/h
Wed. 10, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon74%
Wind Icon18km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 22, Aug.

33.7°C

Low will be onWed. 13, Aug.

24.8°C

HumidityHumidity

High will be onWed. 13, Aug.

79%

Low will be onFri. 22, Aug.

60%

Wind SpeedWind Speed

High will be onThu. 14, Aug.

29.5km/h

Low will be onSun. 17, Aug.

15.1km/h

PrecipitationPrecipitation

High will be onWed. 13, Aug.

48.8mm

Low will be onThu. 21, Aug.

0.09mm

Ultraviolet IndexUV

High will be onThu. 21, Aug.

8

Low will be onWed. 13, Aug.

1.3

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