Nagasaki, Nagasaki, Japan Climate Change Severity

52
High
The current climate change severity in Nagasaki 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
°C

Nagasaki Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Nagasaki temperature has changed by around +8.6%, 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
87
-12.5%
cloudyCloudy
1513
-13.3%
rainyRainy
2416
-33.3%
snowySnowy
01
100%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Nagasaki 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, Nagasaki experienced significant changes:

Temperature change of

+1 °C

Variation in annual rainfall

-42.04 %

Change in average humidity

-8.6 %

PM2.5 levels surged by

-10.8 %

Heatwave changed by

+2 day(s)

Coldwave changed by

-2.6 day(s)

Wind speeds changed by

+0.8 km/h

These indicators show that Nagasaki 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.

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

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 15, Mar.
sunnySunny
Temperature Icon14°/7°
Humidity Icon65%
Wind Icon19.8km/h
Mon. 16, Mar.
partly cloudyPartly Cloudy
Temperature Icon15°/8°
Humidity Icon63%
Wind Icon12.2km/h
Tue. 17, Mar.
partly cloudyPartly Cloudy
Temperature Icon15°/9°
Humidity Icon64%
Wind Icon10.8km/h
Wed. 18, Mar.
moderate rainModerate rain
Temperature Icon14°/10°
Humidity Icon80%
Wind Icon15.5km/h
Thu. 19, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/12°
Humidity Icon82%
Wind Icon14.8km/h
Fri. 20, Mar.
cloudyCloudy
Temperature Icon15°/11°
Humidity Icon69%
Wind Icon20.2km/h
Sat. 21, Mar.
sunnySunny
Temperature Icon15°/9°
Humidity Icon55%
Wind Icon15.8km/h
Sun. 22, Mar.
overcastOvercast
Temperature Icon16°/10°
Humidity Icon61%
Wind Icon23km/h
Mon. 23, Mar.
moderate rainModerate rain
Temperature Icon17°/12°
Humidity Icon86%
Wind Icon25.6km/h
Tue. 24, Mar.
partly cloudyPartly Cloudy
Temperature Icon16°/11°
Humidity Icon68%
Wind Icon13km/h
Wed. 25, Mar.
sunnySunny
Temperature Icon16°/9°
Humidity Icon67%
Wind Icon13.3km/h
Thu. 26, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/10°
Humidity Icon63%
Wind Icon13km/h
Fri. 27, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/11°
Humidity Icon87%
Wind Icon29.9km/h
Sat. 28, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/12°
Humidity Icon74%
Wind Icon22.3km/h
Sun. 29, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/11°
Humidity Icon67%
Wind Icon19.8km/h
Mon. 30, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/11°
Humidity Icon70%
Wind Icon20.5km/h
Tue. 31, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon72%
Wind Icon20.9km/h
Wed. 1, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon70%
Wind Icon21.6km/h
Thu. 2, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon67%
Wind Icon23km/h
Sun. 5, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon71%
Wind Icon21.6km/h
Mon. 6, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon72%
Wind Icon24.5km/h
Tue. 7, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/12°
Humidity Icon71%
Wind Icon24.1km/h
Wed. 8, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon69%
Wind Icon20.5km/h
Thu. 9, Apr.
heavy rain at timesHeavy rain at times
Temperature Icon18°/12°
Humidity Icon68%
Wind Icon18.7km/h
Fri. 10, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon72%
Wind Icon20.9km/h
Sat. 11, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon73%
Wind Icon20.5km/h
Sun. 12, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon72%
Wind Icon19.4km/h
Mon. 13, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon71%
Wind Icon22km/h
Tue. 14, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon72%
Wind Icon25.9km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 9, Apr.

18°C

Low will be onSun. 15, Mar.

7°C

HumidityHumidity

High will be onFri. 27, Mar.

87%

Low will be onSat. 21, Mar.

55%

Wind SpeedWind Speed

High will be onFri. 27, Mar.

29.9km/h

Low will be onTue. 17, Mar.

10.8km/h

PrecipitationPrecipitation

High will be onMon. 23, Mar.

10.6mm

Low will be onSun. 22, Mar.

0.03mm

Ultraviolet IndexUV

High will be onSat. 21, Mar.

4

Low will be onSun. 15, Mar.

1.4

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