Hirado, Nagasaki, Japan Climate Change Severity

43
High
The current climate change severity in Hirado is High, with a 15.7% 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 Nov. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Hirado 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), Hirado temperature has changed by around -1.6%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Nov. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
7261
-15.2%
cloudyCloudy
9256
-39.1%
rainyRainy
130115
-11.5%
snowySnowy
00
0%
mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 15 years, Hirado has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Hirado experienced significant changes:

Temperature change of

-0.2 °C

Variation in annual rainfall

-12.9 %

Change in average humidity

-0.7 %

PM2.5 levels surged by

-3.1 %

Heatwave changed by

-2.9 day(s)

Coldwave changed by

+4.5 day(s)

Wind speeds changed by

-3.7 km/h

These indicators show improvement in key parametes of climate, but Hirado remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

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

Hirado Weather Forecast 30 Days (December - January 2026)
Hirado, Nagasaki, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 9, Dec.
sunnySunny
Temperature Icon10°/7°
Humidity Icon42%
Wind Icon20km/h
Wed. 10, Dec.
overcastOvercast
Temperature Icon12°/8°
Humidity Icon50%
Wind Icon12km/h
Thu. 11, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/11°
Humidity Icon63%
Wind Icon27km/h
Fri. 12, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/8°
Humidity Icon58%
Wind Icon32km/h
Sat. 13, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/9°
Humidity Icon64%
Wind Icon33km/h
Sun. 14, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/7°
Humidity Icon74%
Wind Icon41km/h
Mon. 15, Dec.
sunnySunny
Temperature Icon7°/6°
Humidity Icon59%
Wind Icon33km/h
Tue. 16, Dec.
sunnySunny
Temperature Icon10°/5°
Humidity Icon60%
Wind Icon13km/h
Wed. 17, Dec.
sunnySunny
Temperature Icon10°/8°
Humidity Icon58%
Wind Icon21km/h
Thu. 18, Dec.
sunnySunny
Temperature Icon11°/9°
Humidity Icon58%
Wind Icon15km/h
Fri. 19, Dec.
sunnySunny
Temperature Icon12°/8°
Humidity Icon57%
Wind Icon18km/h
Sat. 20, Dec.
sunnySunny
Temperature Icon12°/9°
Humidity Icon60%
Wind Icon24km/h
Sun. 21, Dec.
sunnySunny
Temperature Icon10°/8°
Humidity Icon52%
Wind Icon17km/h
Mon. 22, Dec.
overcastOvercast
Temperature Icon12°/8°
Humidity Icon60%
Wind Icon16km/h
Tue. 23, Dec.
cloudyCloudy
Temperature Icon14°/11°
Humidity Icon69%
Wind Icon18km/h
Wed. 24, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/7°
Humidity Icon64%
Wind Icon34km/h
Thu. 25, Dec.
patchy rain possiblePatchy rain possible
Temperature Icon9°/6°
Humidity Icon61%
Wind Icon35km/h
Fri. 26, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/6°
Humidity Icon64%
Wind Icon38km/h
Sat. 27, Dec.
moderate rain at timesModerate rain at times
Temperature Icon9°/5°
Humidity Icon60%
Wind Icon34km/h
Sun. 28, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/6°
Humidity Icon62%
Wind Icon34km/h
Mon. 29, Dec.
moderate rain at timesModerate rain at times
Temperature Icon10°/7°
Humidity Icon65%
Wind Icon31km/h
Tue. 30, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/6°
Humidity Icon65%
Wind Icon37km/h
Wed. 31, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/5°
Humidity Icon63%
Wind Icon39km/h
Thu. 1, Jan.
patchy rain possiblePatchy rain possible
Temperature Icon8°/4°
Humidity Icon62%
Wind Icon37km/h
Fri. 2, Jan.
moderate rain at timesModerate rain at times
Temperature Icon10°/6°
Humidity Icon60%
Wind Icon34km/h
Sat. 3, Jan.
moderate rain at timesModerate rain at times
Temperature Icon9°/6°
Humidity Icon58%
Wind Icon31km/h
Sun. 4, Jan.
moderate rain at timesModerate rain at times
Temperature Icon9°/6°
Humidity Icon58%
Wind Icon31km/h
Mon. 5, Jan.
heavy rain at timesHeavy rain at times
Temperature Icon9°/6°
Humidity Icon64%
Wind Icon31km/h
Tue. 6, Jan.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/6°
Humidity Icon64%
Wind Icon33km/h
Wed. 7, Jan.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/6°
Humidity Icon63%
Wind Icon31km/h
Thu. 8, Jan.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/6°
Humidity Icon64%
Wind Icon32km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 23, Dec.

14.1°C

Low will be onThu. 1, Jan.

4.3°C

HumidityHumidity

High will be onSun. 14, Dec.

74%

Low will be onTue. 9, Dec.

42%

Wind SpeedWind Speed

High will be onSun. 14, Dec.

41.4km/h

Low will be onWed. 10, Dec.

11.9km/h

PrecipitationPrecipitation

High will be onFri. 26, Dec.

3.9mm

Low will be onThu. 18, Dec.

0.01mm

Ultraviolet IndexUV

High will be onSat. 20, Dec.

4

Low will be onThu. 11, Dec.

0.2

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