Honcho, Tokyo, Japan Climate Change Severity

81
Extreme
The current climate change severity in Honcho is Extreme, with a 59.8% 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 Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Honcho 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), Honcho temperature has changed by around +12.4%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4940
-18.3%
cloudyCloudy
6067
11.6%
rainyRainy
13998
-29.4%
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, Honcho 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, Honcho experienced significant changes:

Temperature change of

+2.1 °C

Variation in annual rainfall

-33.3 %

Change in average humidity

-12.9 %

PM2.5 levels surged by

+69.9 %

Heatwave changed by

+50.06 day(s)

Coldwave changed by

-4.06 day(s)

Wind speeds changed by

+1.7 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 Sep.

Honcho Weather Forecast 30 Days (October - November 2025)
Honcho, Tokyo, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 5, Oct.
cloudyCloudy
Temperature Icon29°/21°
Humidity Icon67%
Wind Icon17km/h
Mon. 6, Oct.
moderate rainModerate rain
Temperature Icon30°/20°
Humidity Icon65%
Wind Icon31km/h
Tue. 7, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/19°
Humidity Icon75%
Wind Icon18km/h
Wed. 8, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/19°
Humidity Icon64%
Wind Icon17km/h
Thu. 9, Oct.
moderate rainModerate rain
Temperature Icon21°/18°
Humidity Icon81%
Wind Icon36km/h
Fri. 10, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/18°
Humidity Icon70%
Wind Icon20km/h
Sat. 11, Oct.
moderate rainModerate rain
Temperature Icon17°/16°
Humidity Icon87%
Wind Icon19km/h
Sun. 12, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/16°
Humidity Icon87%
Wind Icon20km/h
Mon. 13, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/14°
Humidity Icon79%
Wind Icon31km/h
Tue. 14, Oct.
partly cloudyPartly Cloudy
Temperature Icon21°/14°
Humidity Icon54%
Wind Icon18km/h
Wed. 15, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/16°
Humidity Icon60%
Wind Icon12km/h
Thu. 16, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/17°
Humidity Icon68%
Wind Icon12km/h
Fri. 17, Oct.
moderate rainModerate rain
Temperature Icon27°/17°
Humidity Icon73%
Wind Icon18km/h
Sat. 18, Oct.
partly cloudyPartly Cloudy
Temperature Icon26°/18°
Humidity Icon58%
Wind Icon27km/h
Sun. 19, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon69%
Wind Icon18km/h
Mon. 20, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon66%
Wind Icon21km/h
Tue. 21, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon63%
Wind Icon18km/h
Wed. 22, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon68%
Wind Icon18km/h
Thu. 23, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon66%
Wind Icon20km/h
Fri. 24, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/14°
Humidity Icon64%
Wind Icon16km/h
Sat. 25, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon67%
Wind Icon19km/h
Sun. 26, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon64%
Wind Icon18km/h
Mon. 27, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/13°
Humidity Icon62%
Wind Icon18km/h
Tue. 28, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon66%
Wind Icon16km/h
Wed. 29, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon66%
Wind Icon18km/h
Thu. 30, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/12°
Humidity Icon62%
Wind Icon17km/h
Fri. 31, Oct.
moderate rain at timesModerate rain at times
Temperature Icon19°/13°
Humidity Icon61%
Wind Icon15km/h
Sat. 1, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon63%
Wind Icon16km/h
Sun. 2, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon63%
Wind Icon15km/h
Mon. 3, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon20°/13°
Humidity Icon60%
Wind Icon15km/h
Tue. 4, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon19°/12°
Humidity Icon58%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 6, Oct.

29.8°C

Low will be onTue. 4, Nov.

11.7°C

HumidityHumidity

High will be onSat. 11, Oct.

87%

Low will be onTue. 14, Oct.

54%

Wind SpeedWind Speed

High will be onThu. 9, Oct.

35.6km/h

Low will be onWed. 15, Oct.

11.5km/h

PrecipitationPrecipitation

High will be onFri. 17, Oct.

16.09mm

Low will be onSun. 5, Oct.

0.01mm

Ultraviolet IndexUV

High will be onSat. 18, Oct.

6

Low will be onThu. 9, Oct.

0.1

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