Kokubunji, Tokyo, Japan Climate Change Severity

81
Extreme
The current climate change severity in Kokubunji is Extreme, with a 61.5% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Kokubunji 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), Kokubunji temperature has changed by around +9.6%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
5241
-21.1%
cloudyCloudy
7265
-9.7%
rainyRainy
152118
-22.3%
snowySnowy
10
-100%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Kokubunji has experienced measurable shifts in key climate parameters, contributing to the current severity score of 81 (within the Extreme severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

81/100

Extreme

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Kokubunji experienced significant changes:

Temperature change of

+1.6 °C

Variation in annual rainfall

-34.9 %

Change in average humidity

-10.8 %

PM2.5 levels surged by

+70.7 %

Heatwave changed by

+43.06 day(s)

Coldwave changed by

-4.2 day(s)

Wind speeds changed by

+1.09 km/h

These indicators show extreme climate changes, including key climate parametes. The Extreme severity score necessitates immediate action, including large-scale mitigation efforts, climate resilience strategies, and extensive disaster preparedness.

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

Kokubunji Weather Forecast 30 Days (November - December 2025)
Kokubunji, Tokyo, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 5, Nov.
partly cloudyPartly Cloudy
Temperature Icon18°/13°
Humidity Icon47%
Wind Icon15km/h
Thu. 6, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/13°
Humidity Icon63%
Wind Icon23km/h
Fri. 7, Nov.
sunnySunny
Temperature Icon20°/13°
Humidity Icon45%
Wind Icon16km/h
Sat. 8, Nov.
partly cloudyPartly Cloudy
Temperature Icon16°/13°
Humidity Icon49%
Wind Icon19km/h
Sun. 9, Nov.
overcastOvercast
Temperature Icon18°/14°
Humidity Icon67%
Wind Icon17km/h
Mon. 10, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/13°
Humidity Icon57%
Wind Icon33km/h
Tue. 11, Nov.
partly cloudyPartly Cloudy
Temperature Icon17°/11°
Humidity Icon51%
Wind Icon19km/h
Wed. 12, Nov.
sunnySunny
Temperature Icon20°/13°
Humidity Icon47%
Wind Icon9km/h
Thu. 13, Nov.
sunnySunny
Temperature Icon19°/14°
Humidity Icon43%
Wind Icon28km/h
Fri. 14, Nov.
sunnySunny
Temperature Icon16°/11°
Humidity Icon44%
Wind Icon20km/h
Sat. 15, Nov.
sunnySunny
Temperature Icon18°/12°
Humidity Icon39%
Wind Icon10km/h
Sun. 16, Nov.
partly cloudyPartly Cloudy
Temperature Icon18°/13°
Humidity Icon49%
Wind Icon7km/h
Mon. 17, Nov.
sunnySunny
Temperature Icon20°/13°
Humidity Icon43%
Wind Icon13km/h
Tue. 18, Nov.
sunnySunny
Temperature Icon19°/13°
Humidity Icon48%
Wind Icon16km/h
Wed. 19, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/9°
Humidity Icon60%
Wind Icon20km/h
Thu. 20, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/9°
Humidity Icon62%
Wind Icon18km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/9°
Humidity Icon62%
Wind Icon18km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/10°
Humidity Icon66%
Wind Icon19km/h
Mon. 24, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/9°
Humidity Icon62%
Wind Icon17km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon62%
Wind Icon18km/h
Wed. 26, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/8°
Humidity Icon63%
Wind Icon17km/h
Thu. 27, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/9°
Humidity Icon63%
Wind Icon17km/h
Fri. 28, Nov.
moderate rain at timesModerate rain at times
Temperature Icon15°/9°
Humidity Icon60%
Wind Icon18km/h
Sat. 29, Nov.
moderate rain at timesModerate rain at times
Temperature Icon15°/8°
Humidity Icon55%
Wind Icon16km/h
Sun. 30, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon61%
Wind Icon17km/h
Mon. 1, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon63%
Wind Icon17km/h
Tue. 2, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/7°
Humidity Icon61%
Wind Icon16km/h
Wed. 3, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/7°
Humidity Icon62%
Wind Icon17km/h
Thu. 4, Dec.
heavy rain at timesHeavy rain at times
Temperature Icon15°/8°
Humidity Icon58%
Wind Icon18km/h
Fri. 5, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/7°
Humidity Icon58%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 10, Nov.

21°C

Low will be onTue. 2, Dec.

6.5°C

HumidityHumidity

High will be onSun. 9, Nov.

67%

Low will be onSat. 15, Nov.

39%

Wind SpeedWind Speed

High will be onMon. 10, Nov.

32.8km/h

Low will be onSun. 16, Nov.

7.2km/h

PrecipitationPrecipitation

High will be onSun. 23, Nov.

10.1mm

Low will be onSat. 8, Nov.

0.01mm

Ultraviolet IndexUV

High will be onWed. 12, Nov.

5

Low will be onThu. 6, Nov.

0.4

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