Shimabara, Nagasaki, Japan Climate Change Severity

48
High
The current climate change severity in Shimabara is High, with a 17.4% 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

Shimabara 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), Shimabara temperature has changed by around -3.3%, 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
3933
-15.3%
cloudyCloudy
4950
2.04%
rainyRainy
10472
-30.7%
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, Shimabara has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Shimabara experienced significant changes:

Temperature change of

-0.5 °C

Variation in annual rainfall

-23.5 %

Change in average humidity

-2.2 %

PM2.5 levels surged by

-11.5 %

Heatwave changed by

+1.1 day(s)

Coldwave changed by

+9.4 day(s)

Wind speeds changed by

+2.2 km/h

These indicators show that Shimabara 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.

Shimabara Weather Forecast 30 Days (August - September 2025)
Shimabara, Nagasaki, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 4, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/26°
Humidity Icon81%
Wind Icon26km/h
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/26°
Humidity Icon81%
Wind Icon20km/h
Wed. 6, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/27°
Humidity Icon83%
Wind Icon23km/h
Thu. 7, Aug.
moderate rainModerate rain
Temperature Icon28°/26°
Humidity Icon84%
Wind Icon33km/h
Fri. 8, Aug.
heavy rainHeavy rain
Temperature Icon26°/24°
Humidity Icon93%
Wind Icon24km/h
Sat. 9, Aug.
heavy rainHeavy rain
Temperature Icon25°/23°
Humidity Icon94%
Wind Icon25km/h
Sun. 10, Aug.
moderate rainModerate rain
Temperature Icon24°/22°
Humidity Icon94%
Wind Icon16km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/25°
Humidity Icon82%
Wind Icon11km/h
Tue. 12, Aug.
partly cloudyPartly Cloudy
Temperature Icon31°/25°
Humidity Icon75%
Wind Icon8km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon32°/25°
Humidity Icon72%
Wind Icon15km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon31°/25°
Humidity Icon71%
Wind Icon15km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon30°/26°
Humidity Icon71%
Wind Icon9km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon30°/26°
Humidity Icon75%
Wind Icon8km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/26°
Humidity Icon78%
Wind Icon14km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/27°
Humidity Icon81%
Wind Icon12km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/25°
Humidity Icon78%
Wind Icon12km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/25°
Humidity Icon79%
Wind Icon12km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/25°
Humidity Icon79%
Wind Icon14km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/25°
Humidity Icon80%
Wind Icon14km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/25°
Humidity Icon78%
Wind Icon14km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon79%
Wind Icon16km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon79%
Wind Icon16km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon78%
Wind Icon14km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon78%
Wind Icon13km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon77%
Wind Icon14km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon78%
Wind Icon13km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon77%
Wind Icon15km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon77%
Wind Icon15km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon78%
Wind Icon14km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/23°
Humidity Icon77%
Wind Icon17km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon78%
Wind Icon17km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 13, Aug.

31.7°C

Low will be onSun. 10, Aug.

22.1°C

HumidityHumidity

High will be onSat. 9, Aug.

94%

Low will be onThu. 14, Aug.

71%

Wind SpeedWind Speed

High will be onThu. 7, Aug.

32.8km/h

Low will be onTue. 12, Aug.

7.6km/h

PrecipitationPrecipitation

High will be onFri. 8, Aug.

208.1mm

Low will be onSat. 16, Aug.

0.02mm

Ultraviolet IndexUV

High will be onTue. 12, Aug.

7

Low will be onMon. 4, Aug.

2.8

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