Izu, Shizuoka, Japan Climate Change Severity

43
High
The current climate change severity in Izu is High, with a 7.8% 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

Izu 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), Izu temperature has changed by around -0.4%, 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
4625
-45.6%
cloudyCloudy
4523
-48.8%
rainyRainy
100108
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, Izu has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (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

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Izu experienced significant changes:

Temperature change of

-0.07 °C

Variation in annual rainfall

-31.9 %

Change in average humidity

-0.7 %

PM2.5 levels surged by

-14.1 %

Heatwave changed by

+1.7 day(s)

Coldwave changed by

+2.2 day(s)

Wind speeds changed by

-0.6 km/h

These indicators show that Izu 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 Jul.

Izu Weather Forecast 30 Days (August - September 2025)
Izu, Shizuoka, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 9, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/21°
Humidity Icon73%
Wind Icon13km/h
Sun. 10, Aug.
heavy rainHeavy rain
Temperature Icon26°/24°
Humidity Icon92%
Wind Icon32km/h
Mon. 11, Aug.
heavy rainHeavy rain
Temperature Icon25°/23°
Humidity Icon95%
Wind Icon33km/h
Tue. 12, Aug.
moderate rainModerate rain
Temperature Icon26°/23°
Humidity Icon92%
Wind Icon29km/h
Wed. 13, Aug.
moderate rainModerate rain
Temperature Icon25°/23°
Humidity Icon93%
Wind Icon9km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/22°
Humidity Icon83%
Wind Icon7km/h
Fri. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/22°
Humidity Icon84%
Wind Icon9km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/23°
Humidity Icon85%
Wind Icon11km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/22°
Humidity Icon81%
Wind Icon9km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/23°
Humidity Icon81%
Wind Icon9km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/24°
Humidity Icon84%
Wind Icon12km/h
Wed. 20, Aug.
moderate rainModerate rain
Temperature Icon28°/24°
Humidity Icon89%
Wind Icon9km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/22°
Humidity Icon86%
Wind Icon4km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/23°
Humidity Icon84%
Wind Icon12km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/22°
Humidity Icon84%
Wind Icon18km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon81%
Wind Icon14km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon81%
Wind Icon13km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/23°
Humidity Icon79%
Wind Icon13km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon80%
Wind Icon12km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon81%
Wind Icon14km/h
Fri. 29, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon29°/23°
Humidity Icon81%
Wind Icon15km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon83%
Wind Icon17km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon81%
Wind Icon18km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon81%
Wind Icon15km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/22°
Humidity Icon82%
Wind Icon16km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon83%
Wind Icon15km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/23°
Humidity Icon84%
Wind Icon17km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon83%
Wind Icon14km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon82%
Wind Icon15km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon83%
Wind Icon16km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/23°
Humidity Icon84%
Wind Icon19km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 9, Aug.

30.3°C

Low will be onSat. 9, Aug.

21.4°C

HumidityHumidity

High will be onMon. 11, Aug.

95%

Low will be onSat. 9, Aug.

73%

Wind SpeedWind Speed

High will be onMon. 11, Aug.

32.8km/h

Low will be onThu. 21, Aug.

4km/h

PrecipitationPrecipitation

High will be onMon. 11, Aug.

50.8mm

Low will be onFri. 22, Aug.

0.1mm

Ultraviolet IndexUV

High will be onSat. 16, Aug.

6

Low will be onMon. 11, Aug.

0.2

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