Kawaguchi, Saitama, Japan Climate Change Severity

67
Very High
The current climate change severity in Kawaguchi is Very High, with a 33.4% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Kawaguchi 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), Kawaguchi temperature has changed by around +11.4%, 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
5040
-20%
cloudyCloudy
5753
-7.01%
rainyRainy
8573
-14.1%
snowySnowy
10
-100%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Kawaguchi has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

67/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Kawaguchi experienced significant changes:

Temperature change of

+1.6 °C

Variation in annual rainfall

-20.002 %

Change in average humidity

-14.4 %

PM2.5 levels surged by

+8.03 %

Heatwave changed by

+32.6 day(s)

Coldwave changed by

-1.4 day(s)

Wind speeds changed by

-0.5 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Kawaguchi's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

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

Kawaguchi Weather Forecast 30 Days (August - September 2025)
Kawaguchi, Saitama, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 3, Aug.
partly cloudyPartly Cloudy
Temperature Icon38°/28°
Humidity Icon61%
Wind Icon22km/h
Mon. 4, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon37°/29°
Humidity Icon57%
Wind Icon29km/h
Tue. 5, Aug.
sunnySunny
Temperature Icon39°/30°
Humidity Icon46%
Wind Icon22km/h
Wed. 6, Aug.
sunnySunny
Temperature Icon40°/31°
Humidity Icon48%
Wind Icon27km/h
Thu. 7, Aug.
moderate rainModerate rain
Temperature Icon29°/27°
Humidity Icon74%
Wind Icon20km/h
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon35°/26°
Humidity Icon61%
Wind Icon18km/h
Sat. 9, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/26°
Humidity Icon65%
Wind Icon19km/h
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/24°
Humidity Icon76%
Wind Icon19km/h
Mon. 11, Aug.
partly cloudyPartly Cloudy
Temperature Icon32°/27°
Humidity Icon66%
Wind Icon29km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon33°/27°
Humidity Icon66%
Wind Icon35km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon34°/28°
Humidity Icon61%
Wind Icon28km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/27°
Humidity Icon61%
Wind Icon19km/h
Fri. 15, Aug.
moderate rainModerate rain
Temperature Icon32°/28°
Humidity Icon69%
Wind Icon24km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/27°
Humidity Icon66%
Wind Icon22km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon32°/25°
Humidity Icon70%
Wind Icon19km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon32°/25°
Humidity Icon69%
Wind Icon17km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon32°/25°
Humidity Icon69%
Wind Icon18km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/25°
Humidity Icon71%
Wind Icon15km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/25°
Humidity Icon71%
Wind Icon16km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon32°/25°
Humidity Icon72%
Wind Icon17km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon32°/25°
Humidity Icon71%
Wind Icon16km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon32°/25°
Humidity Icon68%
Wind Icon17km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/25°
Humidity Icon68%
Wind Icon16km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/24°
Humidity Icon69%
Wind Icon16km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/24°
Humidity Icon69%
Wind Icon17km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/24°
Humidity Icon71%
Wind Icon17km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/24°
Humidity Icon71%
Wind Icon16km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/24°
Humidity Icon72%
Wind Icon18km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/24°
Humidity Icon72%
Wind Icon20km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/23°
Humidity Icon71%
Wind Icon18km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/23°
Humidity Icon74%
Wind Icon18km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 6, Aug.

39.9°C

Low will be onTue. 2, Sep.

22.5°C

HumidityHumidity

High will be onSun. 10, Aug.

76%

Low will be onTue. 5, Aug.

46%

Wind SpeedWind Speed

High will be onTue. 12, Aug.

34.9km/h

Low will be onWed. 20, Aug.

14.8km/h

PrecipitationPrecipitation

High will be onTue. 2, Sep.

12.9mm

Low will be onSun. 3, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 6, Aug.

8

Low will be onSun. 3, Aug.

2.5

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