Iwaki, Fukushima, Japan Climate Change Severity

38
Moderate
The current climate change severity in Iwaki is Moderate, with a -7.01% 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

Iwaki 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), Iwaki temperature has changed by around +3.4%, 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
3416
-52.9%
cloudyCloudy
5134
-33.3%
rainyRainy
10596
-8.5%
snowySnowy
23
50%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Iwaki has experienced measurable improvements in key climate parameters, contributing to the current severity score of 38 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Iwaki experienced significant changes:

Temperature change of

+0.3 °C

Variation in annual rainfall

-21.06 %

Change in average humidity

-2.2 %

PM2.5 levels surged by

-13.1 %

Heatwave changed by

+1.8 day(s)

Coldwave changed by

-2.8 day(s)

Wind speeds changed by

+1.06 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Iwaki Weather Forecast 30 Days (August - September 2025)
Iwaki, Fukushima, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 10, Aug.
moderate rainModerate rain
Temperature Icon23°/22°
Humidity Icon91%
Wind Icon13km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/23°
Humidity Icon91%
Wind Icon20km/h
Tue. 12, Aug.
moderate rainModerate rain
Temperature Icon25°/22°
Humidity Icon94%
Wind Icon14km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/21°
Humidity Icon88%
Wind Icon9km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/20°
Humidity Icon81%
Wind Icon13km/h
Fri. 15, Aug.
cloudyCloudy
Temperature Icon26°/21°
Humidity Icon84%
Wind Icon8km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/22°
Humidity Icon89%
Wind Icon8km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/23°
Humidity Icon87%
Wind Icon14km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/23°
Humidity Icon86%
Wind Icon14km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/24°
Humidity Icon91%
Wind Icon14km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/23°
Humidity Icon85%
Wind Icon12km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/23°
Humidity Icon84%
Wind Icon9km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon30°/22°
Humidity Icon80%
Wind Icon22km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/23°
Humidity Icon78%
Wind Icon11km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/21°
Humidity Icon81%
Wind Icon15km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon81%
Wind Icon14km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon84%
Wind Icon13km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon84%
Wind Icon14km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/19°
Humidity Icon84%
Wind Icon13km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/19°
Humidity Icon85%
Wind Icon13km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon86%
Wind Icon15km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon86%
Wind Icon17km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon85%
Wind Icon15km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/19°
Humidity Icon88%
Wind Icon16km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon87%
Wind Icon15km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/19°
Humidity Icon87%
Wind Icon16km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon87%
Wind Icon14km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon85%
Wind Icon14km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon84%
Wind Icon16km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/18°
Humidity Icon87%
Wind Icon16km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon85%
Wind Icon17km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 23, Aug.

31.2°C

Low will be onSun. 7, Sep.

18.4°C

HumidityHumidity

High will be onTue. 12, Aug.

94%

Low will be onSat. 23, Aug.

78%

Wind SpeedWind Speed

High will be onFri. 22, Aug.

21.6km/h

Low will be onFri. 15, Aug.

7.9km/h

PrecipitationPrecipitation

High will be onThu. 4, Sep.

19.1mm

Low will be onFri. 15, Aug.

0.07mm

Ultraviolet IndexUV

High will be onFri. 22, Aug.

7

Low will be onSun. 10, Aug.

0.4

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