Chonan, Chungnam, South Korea Climate Change Severity

43
High
The current climate change severity in Chonan is High, with a 8.5% 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 Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Chonan 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), Chonan temperature has changed by around -0.6%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
6552
-20%
cloudyCloudy
7137
-47.8%
rainyRainy
10272
-29.4%
snowySnowy
19
800%
mistyMisty
012
100%

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

Climate Change Indicators:

Over the past 15 years, Chonan 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, Chonan experienced significant changes:

Temperature change of

-0.09 °C

Variation in annual rainfall

-22.2 %

Change in average humidity

-0.4 %

PM2.5 levels surged by

-24.6 %

Heatwave changed by

-8.06 day(s)

Coldwave changed by

-2.5 day(s)

Wind speeds changed by

+2.4 km/h

These indicators show improvement in key parametes of climate, but Chonan 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 Sep.

Chonan Weather Forecast 30 Days (October - November 2025)
Chonan, Chungnam, South Korea

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Thu. 30, Oct.
sunnySunny
Temperature Icon15°/6°
Humidity Icon64%
Wind Icon5km/h
Fri. 31, Oct.
partly cloudyPartly Cloudy
Temperature Icon18°/9°
Humidity Icon66%
Wind Icon6km/h
Sat. 1, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/8°
Humidity Icon69%
Wind Icon27km/h
Sun. 2, Nov.
sunnySunny
Temperature Icon14°/4°
Humidity Icon61%
Wind Icon29km/h
Mon. 3, Nov.
sunnySunny
Temperature Icon16°/3°
Humidity Icon58%
Wind Icon4km/h
Tue. 4, Nov.
partly cloudyPartly Cloudy
Temperature Icon16°/7°
Humidity Icon57%
Wind Icon5km/h
Wed. 5, Nov.
partly cloudyPartly Cloudy
Temperature Icon18°/9°
Humidity Icon55%
Wind Icon8km/h
Thu. 6, Nov.
sunnySunny
Temperature Icon19°/9°
Humidity Icon63%
Wind Icon7km/h
Fri. 7, Nov.
cloudyCloudy
Temperature Icon18°/12°
Humidity Icon68%
Wind Icon5km/h
Sat. 8, Nov.
partly cloudyPartly Cloudy
Temperature Icon15°/7°
Humidity Icon76%
Wind Icon22km/h
Sun. 9, Nov.
partly cloudyPartly Cloudy
Temperature Icon10°/4°
Humidity Icon63%
Wind Icon24km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon11°/2°
Humidity Icon52%
Wind Icon7km/h
Tue. 11, Nov.
sunnySunny
Temperature Icon13°/4°
Humidity Icon47%
Wind Icon11km/h
Wed. 12, Nov.
sunnySunny
Temperature Icon15°/4°
Humidity Icon61%
Wind Icon17km/h
Thu. 13, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/4°
Humidity Icon66%
Wind Icon10km/h
Fri. 14, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon12°/5°
Humidity Icon70%
Wind Icon14km/h
Sat. 15, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon12°/4°
Humidity Icon68%
Wind Icon14km/h
Sun. 16, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/4°
Humidity Icon68%
Wind Icon11km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon68%
Wind Icon16km/h
Tue. 18, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/3°
Humidity Icon67%
Wind Icon17km/h
Wed. 19, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/3°
Humidity Icon71%
Wind Icon16km/h
Thu. 20, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon10°/2°
Humidity Icon64%
Wind Icon12km/h
Fri. 21, Nov.
patchy rain possiblePatchy rain possible
Temperature Icon11°/3°
Humidity Icon65%
Wind Icon10km/h
Sun. 23, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon9°/2°
Humidity Icon68%
Wind Icon15km/h
Mon. 24, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/2°
Humidity Icon69%
Wind Icon15km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/1°
Humidity Icon67%
Wind Icon16km/h
Wed. 26, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/1°
Humidity Icon67%
Wind Icon15km/h
Thu. 27, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon9°/1°
Humidity Icon68%
Wind Icon16km/h
Fri. 28, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon8°/1°
Humidity Icon68%
Wind Icon14km/h
Sat. 29, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/0°
Humidity Icon69%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 6, Nov.

18.5°C

Low will be onSat. 29, Nov.

0.4°C

HumidityHumidity

High will be onSat. 8, Nov.

76%

Low will be onTue. 11, Nov.

47%

Wind SpeedWind Speed

High will be onSun. 2, Nov.

28.8km/h

Low will be onMon. 3, Nov.

4.3km/h

PrecipitationPrecipitation

High will be onMon. 17, Nov.

4.1mm

Low will be onSat. 8, Nov.

0.08mm

Ultraviolet IndexUV

High will be onTue. 4, Nov.

4

Low will be onThu. 30, Oct.

0.6

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