Iwata, Shizuoka, Japan Climate Change Severity

71
Very High
The current climate change severity in Iwata is Very High, with a 52.5% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Iwata Weather Condition Changes (Historic Vs 2025)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Iwata temperature has changed by around +8.8%, 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
6749
-26.8%

cloudyCloudy
6567
3.07%

rainyRainy
144124
-13.8%

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, Iwata has experienced measurable shifts in key climate parameters, contributing to the current severity score of 71 (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

71/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Iwata experienced significant changes:

Temperature change of

+1.5 °C


Variation in annual rainfall

-32.1 %


Change in average humidity

-10.5 %


PM2.5 levels surged by

-12.4 %


Heatwave changed by

+21.06 day(s)


Coldwave changed by

-3.4 day(s)


Wind speeds changed by

-1.04 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Iwata'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 Oct.

Iwata Weather Forecast 30 Days (November - December 2025)
Iwata, Shizuoka, Japan


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 1, Nov.
heavy rainHeavy rain

Temperature Icon20°/15°

Humidity Icon77%

Wind Icon36km/h
Sun. 2, Nov.
sunnySunny

Temperature Icon20°/13°

Humidity Icon58%

Wind Icon32km/h
Mon. 3, Nov.
sunnySunny

Temperature Icon19°/12°

Humidity Icon58%

Wind Icon33km/h
Tue. 4, Nov.
patchy rain possiblePatchy rain nearby

Temperature Icon20°/15°

Humidity Icon69%

Wind Icon25km/h
Wed. 5, Nov.
moderate rainModerate rain

Temperature Icon18°/16°

Humidity Icon85%

Wind Icon12km/h
Thu. 6, Nov.
patchy rain possiblePatchy rain nearby

Temperature Icon16°/14°

Humidity Icon90%

Wind Icon12km/h
Fri. 7, Nov.
patchy rain possiblePatchy rain nearby

Temperature Icon18°/12°

Humidity Icon77%

Wind Icon10km/h
Sat. 8, Nov.
partly cloudyPartly Cloudy

Temperature Icon21°/15°

Humidity Icon71%

Wind Icon17km/h
Sun. 9, Nov.
overcastOvercast

Temperature Icon20°/16°

Humidity Icon61%

Wind Icon15km/h
Mon. 10, Nov.
sunnySunny

Temperature Icon20°/13°

Humidity Icon53%

Wind Icon28km/h
Tue. 11, Nov.
patchy rain possiblePatchy rain nearby

Temperature Icon19°/15°

Humidity Icon66%

Wind Icon8km/h
Wed. 12, Nov.
sunnySunny

Temperature Icon19°/13°

Humidity Icon67%

Wind Icon11km/h
Thu. 13, Nov.
overcastOvercast

Temperature Icon15°/12°

Humidity Icon61%

Wind Icon12km/h
Fri. 14, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/11°

Humidity Icon71%

Wind Icon23km/h
Sat. 15, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/11°

Humidity Icon69%

Wind Icon22km/h
Sun. 16, Nov.
patchy rain possiblePatchy rain possible

Temperature Icon17°/10°

Humidity Icon64%

Wind Icon21km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/10°

Humidity Icon68%

Wind Icon19km/h
Tue. 18, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/10°

Humidity Icon69%

Wind Icon23km/h
Wed. 19, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon16°/10°

Humidity Icon67%

Wind Icon22km/h
Thu. 20, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon16°/10°

Humidity Icon68%

Wind Icon24km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon16°/9°

Humidity Icon68%

Wind Icon20km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon16°/10°

Humidity Icon70%

Wind Icon23km/h
Mon. 24, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/9°

Humidity Icon70%

Wind Icon22km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon16°/9°

Humidity Icon70%

Wind Icon21km/h
Wed. 26, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon16°/9°

Humidity Icon71%

Wind Icon23km/h
Thu. 27, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/9°

Humidity Icon70%

Wind Icon21km/h
Fri. 28, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/8°

Humidity Icon67%

Wind Icon22km/h
Sat. 29, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/8°

Humidity Icon66%

Wind Icon24km/h
Sun. 30, Nov.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/8°

Humidity Icon67%

Wind Icon22km/h
Mon. 1, Dec.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/8°

Humidity Icon69%

Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 8, Nov.

20.8°C


Low will be onSun. 30, Nov.

8°C

HumidityHumidity

High will be onThu. 6, Nov.

90%


Low will be onMon. 10, Nov.

53%

Wind SpeedWind Speed

High will be onSat. 1, Nov.

36km/h


Low will be onTue. 11, Nov.

7.9km/h

PrecipitationPrecipitation

High will be onSat. 1, Nov.

43.7mm


Low will be onMon. 3, Nov.

0.01mm

Ultraviolet IndexUV

High will be onSat. 8, Nov.

5


Low will be onSun. 2, Nov.

0.8