Isahaya, Nagasaki, Japan Climate Change Severity

52
High
The current climate change severity in Isahaya is High, with a 5.4% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Feb. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Isahaya Weather Condition Changes (Historic Vs 2026)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Isahaya temperature has changed by around +6.3%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Feb. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
98
-11.1%

cloudyCloudy
1615
-6.2%

rainyRainy
2314
-39.1%

snowySnowy
06
100%

mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Isahaya has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (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

52/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Isahaya experienced significant changes:

Temperature change of

0 °C


Variation in annual rainfall

-47.2 %


Change in average humidity

-10.1 %


PM2.5 levels surged by

-13.6 %


Heatwave changed by

-0.9 day(s)


Coldwave changed by

-2.2 day(s)


Wind speeds changed by

-1.4 km/h


These indicators show that Isahaya 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 Feb.

Isahaya Weather Forecast 30 Days (March - April 2026)
Isahaya, Nagasaki, Japan


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 15, Mar.
sunnySunny

Temperature Icon15°/4°

Humidity Icon63%

Wind Icon13km/h
Mon. 16, Mar.
partly cloudyPartly Cloudy

Temperature Icon15°/6°

Humidity Icon65%

Wind Icon12.2km/h
Tue. 17, Mar.
sunnySunny

Temperature Icon16°/7°

Humidity Icon60%

Wind Icon9.4km/h
Wed. 18, Mar.
moderate rainModerate rain

Temperature Icon12°/8°

Humidity Icon80%

Wind Icon14.4km/h
Thu. 19, Mar.
patchy rain possiblePatchy rain nearby

Temperature Icon15°/9°

Humidity Icon82%

Wind Icon10.8km/h
Fri. 20, Mar.
sunnySunny

Temperature Icon16°/8°

Humidity Icon68%

Wind Icon9km/h
Sat. 21, Mar.
partly cloudyPartly Cloudy

Temperature Icon17°/8°

Humidity Icon60%

Wind Icon5.8km/h
Sun. 22, Mar.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/10°

Humidity Icon74%

Wind Icon9km/h
Mon. 23, Mar.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/10°

Humidity Icon74%

Wind Icon19.8km/h
Tue. 24, Mar.
sunnySunny

Temperature Icon17°/8°

Humidity Icon64%

Wind Icon11.9km/h
Wed. 25, Mar.
partly cloudyPartly Cloudy

Temperature Icon17°/9°

Humidity Icon63%

Wind Icon12.6km/h
Thu. 26, Mar.
patchy rain possiblePatchy rain nearby

Temperature Icon19°/12°

Humidity Icon66%

Wind Icon10.8km/h
Fri. 27, Mar.
partly cloudyPartly Cloudy

Temperature Icon19°/10°

Humidity Icon56%

Wind Icon10.1km/h
Sat. 28, Mar.
patchy rain possiblePatchy rain nearby

Temperature Icon15°/10°

Humidity Icon78%

Wind Icon18.4km/h
Sun. 29, Mar.
patchy rain possiblePatchy rain nearby

Temperature Icon16°/8°

Humidity Icon59%

Wind Icon29.2km/h
Mon. 30, Mar.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/10°

Humidity Icon70%

Wind Icon16.6km/h
Tue. 31, Mar.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/9°

Humidity Icon73%

Wind Icon17.6km/h
Wed. 1, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/10°

Humidity Icon70%

Wind Icon19.1km/h
Thu. 2, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon18°/9°

Humidity Icon67%

Wind Icon18.7km/h
Sun. 5, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon18°/11°

Humidity Icon71%

Wind Icon19.1km/h
Mon. 6, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/10°

Humidity Icon73%

Wind Icon20.2km/h
Tue. 7, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon17°/10°

Humidity Icon71%

Wind Icon20.9km/h
Wed. 8, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon18°/10°

Humidity Icon70%

Wind Icon16.9km/h
Thu. 9, Apr.
heavy rain at timesHeavy rain at times

Temperature Icon19°/10°

Humidity Icon68%

Wind Icon16.9km/h
Fri. 10, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon18°/11°

Humidity Icon72%

Wind Icon17.6km/h
Sat. 11, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon18°/11°

Humidity Icon73%

Wind Icon18km/h
Sun. 12, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon19°/11°

Humidity Icon72%

Wind Icon15.5km/h
Mon. 13, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon18°/11°

Humidity Icon73%

Wind Icon18.7km/h
Tue. 14, Apr.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon18°/11°

Humidity Icon73%

Wind Icon21.6km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 26, Mar.

19°C


Low will be onSun. 15, Mar.

4°C

HumidityHumidity

High will be onThu. 19, Mar.

82%


Low will be onFri. 27, Mar.

56%

Wind SpeedWind Speed

High will be onSun. 29, Mar.

29.2km/h


Low will be onSat. 21, Mar.

5.8km/h

PrecipitationPrecipitation

High will be onWed. 18, Mar.

13.3mm


Low will be onFri. 27, Mar.

0.03mm

Ultraviolet IndexUV

High will be onFri. 20, Mar.

4


Low will be onSun. 15, Mar.

1.4