Tachikawa, Tokyo, Japan Climate Change Severity

48
High
The current climate change severity in Tachikawa is High, with a 0.2% 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 Sep. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Tachikawa 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), Tachikawa temperature has changed by around +5.08%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
4964
30.6%
cloudyCloudy
6236
-41.9%
rainyRainy
134107
-20.1%
snowySnowy
19
800%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Tachikawa has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Tachikawa experienced significant changes:

Temperature change of

+0.84 °C

Variation in annual rainfall

+13.43 %

Change in average humidity

-3.66 %

PM2.5 levels surged by

+238.04 %

Heatwave changed by

+6 Days

Coldwave changed by

-4 Days

Wind speeds changed by

+1.44 km/h

These indicators show that Tachikawa 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 Sep.

Tachikawa Weather Forecast 30 Days (October - November 2026)
Tachikawa, Tokyo, Japan

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 2, Oct.
light rain showerRain Shower
Temperature Icon24°/17°
Humidity Icon80%
Wind Icon15.8km/h
Sat. 3, Oct.
overcastOvercast
Temperature Icon23°/17°
Humidity Icon55%
Wind Icon20.9km/h
Sun. 4, Oct.
overcastOvercast
Temperature Icon22°/19°
Humidity Icon53%
Wind Icon19.1km/h
Mon. 5, Oct.
overcastOvercast
Temperature Icon24°/18°
Humidity Icon57%
Wind Icon15.5km/h
Tue. 6, Oct.
overcastOvercast
Temperature Icon23°/20°
Humidity Icon63%
Wind Icon20.9km/h
Wed. 7, Oct.
overcastOvercast
Temperature Icon26°/20°
Humidity Icon44%
Wind Icon40.3km/h
Thu. 8, Oct.
sunnySunny
Temperature Icon24°/17°
Humidity Icon42%
Wind Icon23.4km/h
Fri. 9, Oct.
sunnySunny
Temperature Icon24°/18°
Humidity Icon48%
Wind Icon18.4km/h
Sat. 10, Oct.
partly cloudyPartly Cloudy
Temperature Icon24°/18°
Humidity Icon50%
Wind Icon11.5km/h
Sun. 11, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon24°/16°
Humidity Icon72%
Wind Icon14.6km/h
Mon. 12, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon23°/16°
Humidity Icon72%
Wind Icon15.3km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon22°/15°
Humidity Icon70%
Wind Icon16.3km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon21°/15°
Humidity Icon69%
Wind Icon15.3km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon21°/15°
Humidity Icon73%
Wind Icon14.6km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon21°/14°
Humidity Icon72%
Wind Icon16.6km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon21°/14°
Humidity Icon72%
Wind Icon13.6km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon21°/14°
Humidity Icon70%
Wind Icon13.5km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon20°/13°
Humidity Icon71%
Wind Icon15.4km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon21°/13°
Humidity Icon69%
Wind Icon17.9km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon20°/13°
Humidity Icon67%
Wind Icon15km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon19°/13°
Humidity Icon72%
Wind Icon15.6km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon20°/13°
Humidity Icon69%
Wind Icon17.8km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon19°/12°
Humidity Icon67%
Wind Icon14km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon19°/12°
Humidity Icon70%
Wind Icon16.1km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon20°/11°
Humidity Icon68%
Wind Icon15.6km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon20°/12°
Humidity Icon66%
Wind Icon15.7km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon18°/12°
Humidity Icon68%
Wind Icon13.9km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon19°/11°
Humidity Icon68%
Wind Icon15.7km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon19°/10°
Humidity Icon64%
Wind Icon15.4km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon19°/11°
Humidity Icon64%
Wind Icon13.1km/h
Sun. 1, Nov.
moderate or heavy rain showerRain Showers
Temperature Icon20°/11°
Humidity Icon66%
Wind Icon13.9km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 7, Oct.

26°C

Low will be onFri. 30, Oct.

10°C

HumidityHumidity

High will be onFri. 2, Oct.

80%

Low will be onThu. 8, Oct.

42%

Wind SpeedWind Speed

High will be onWed. 7, Oct.

40.3km/h

Low will be onSat. 10, Oct.

11.5km/h

PrecipitationPrecipitation

High will be onMon. 12, Oct.

17.5mm

Low will be onSun. 4, Oct.

0.01mm

Ultraviolet IndexUV

High will be onMon. 5, Oct.

6.2

Low will be onFri. 2, Oct.

0.5

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