Kamaishi, Iwate, Japan Climate Change Severity

38
Moderate
The current climate change severity in Kamaishi is Moderate, with a -7.7% 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

Kamaishi 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), Kamaishi temperature has changed by around +11.03%, 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
2718
-33.3%
cloudyCloudy
4515
-66.6%
rainyRainy
11198
-11.7%
snowySnowy
718
157.1%
mistyMisty
00
0%

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

Climate Change Indicators:

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

Temperature change of

+0.8 °C

Variation in annual rainfall

-9.6 %

Change in average humidity

-1.7 %

PM2.5 levels surged by

-17.2 %

Heatwave changed by

+8.2 day(s)

Coldwave changed by

-5.2 day(s)

Wind speeds changed by

+0.1 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.

Kamaishi Weather Forecast 30 Days (August - September 2025)
Kamaishi, Iwate, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/20°
Humidity Icon80%
Wind Icon12km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/20°
Humidity Icon83%
Wind Icon8km/h
Tue. 12, Aug.
moderate rainModerate rain
Temperature Icon22°/20°
Humidity Icon93%
Wind Icon9km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/19°
Humidity Icon83%
Wind Icon8km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/19°
Humidity Icon83%
Wind Icon12km/h
Fri. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/19°
Humidity Icon90%
Wind Icon6km/h
Sat. 16, Aug.
partly cloudyPartly Cloudy
Temperature Icon27°/19°
Humidity Icon85%
Wind Icon9km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/20°
Humidity Icon85%
Wind Icon8km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/21°
Humidity Icon89%
Wind Icon8km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/22°
Humidity Icon86%
Wind Icon11km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/22°
Humidity Icon84%
Wind Icon12km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/21°
Humidity Icon81%
Wind Icon8km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon30°/21°
Humidity Icon81%
Wind Icon18km/h
Sat. 23, Aug.
partly cloudyPartly Cloudy
Temperature Icon31°/22°
Humidity Icon74%
Wind Icon18km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/20°
Humidity Icon83%
Wind Icon14km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/19°
Humidity Icon85%
Wind Icon14km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/18°
Humidity Icon84%
Wind Icon13km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/18°
Humidity Icon85%
Wind Icon12km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/18°
Humidity Icon86%
Wind Icon14km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/18°
Humidity Icon86%
Wind Icon13km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/18°
Humidity Icon88%
Wind Icon15km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/18°
Humidity Icon88%
Wind Icon16km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/18°
Humidity Icon86%
Wind Icon14km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/18°
Humidity Icon88%
Wind Icon13km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/19°
Humidity Icon88%
Wind Icon14km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/19°
Humidity Icon88%
Wind Icon17km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/19°
Humidity Icon88%
Wind Icon15km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/18°
Humidity Icon86%
Wind Icon14km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/18°
Humidity Icon85%
Wind Icon14km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/17°
Humidity Icon86%
Wind Icon13km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/18°
Humidity Icon85%
Wind Icon15km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 23, Aug.

31.4°C

Low will be onMon. 8, Sep.

17.3°C

HumidityHumidity

High will be onTue. 12, Aug.

93%

Low will be onSat. 23, Aug.

74%

Wind SpeedWind Speed

High will be onFri. 22, Aug.

18.4km/h

Low will be onFri. 15, Aug.

5.8km/h

PrecipitationPrecipitation

High will be onTue. 12, Aug.

13.2mm

Low will be onFri. 22, Aug.

0.02mm

Ultraviolet IndexUV

High will be onSat. 23, Aug.

7

Low will be onTue. 12, Aug.

0.3

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