Narita, Chiba, Japan Climate Change Severity

67
Very High
The current climate change severity in Narita is Very High, with a 41.1% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Narita 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), Narita temperature has changed by around +6.7%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4636
-21.7%
cloudyCloudy
5743
-24.5%
rainyRainy
11680
-31.03%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Narita has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

67/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Narita experienced significant changes:

Temperature change of

+0.9 °C

Variation in annual rainfall

-22.8 %

Change in average humidity

-10.8 %

PM2.5 levels surged by

-19.7 %

Heatwave changed by

+22.7 day(s)

Coldwave changed by

-2.8 day(s)

Wind speeds changed by

-2.4 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Narita's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

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

Narita Weather Forecast 30 Days (August - September 2025)
Narita, Chiba, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 29, Aug.
sunnySunny
Temperature Icon35°/25°
Humidity Icon62%
Wind Icon13km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon38°/27°
Humidity Icon60%
Wind Icon12km/h
Sun. 31, Aug.
sunnySunny
Temperature Icon36°/28°
Humidity Icon60%
Wind Icon17km/h
Mon. 1, Sep.
sunnySunny
Temperature Icon36°/27°
Humidity Icon62%
Wind Icon21km/h
Tue. 2, Sep.
sunnySunny
Temperature Icon35°/27°
Humidity Icon56%
Wind Icon23km/h
Wed. 3, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/24°
Humidity Icon69%
Wind Icon18km/h
Thu. 4, Sep.
moderate rainModerate rain
Temperature Icon26°/22°
Humidity Icon88%
Wind Icon12km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/23°
Humidity Icon90%
Wind Icon18km/h
Sat. 6, Sep.
partly cloudyPartly Cloudy
Temperature Icon33°/24°
Humidity Icon70%
Wind Icon9km/h
Sun. 7, Sep.
sunnySunny
Temperature Icon33°/26°
Humidity Icon69%
Wind Icon19km/h
Mon. 8, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/24°
Humidity Icon79%
Wind Icon18km/h
Tue. 9, Sep.
overcastOvercast
Temperature Icon24°/23°
Humidity Icon83%
Wind Icon15km/h
Wed. 10, Sep.
sunnySunny
Temperature Icon33°/24°
Humidity Icon66%
Wind Icon33km/h
Thu. 11, Sep.
partly cloudyPartly Cloudy
Temperature Icon28°/24°
Humidity Icon65%
Wind Icon21km/h
Sat. 13, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/23°
Humidity Icon75%
Wind Icon16km/h
Sun. 14, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/22°
Humidity Icon76%
Wind Icon17km/h
Mon. 15, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/22°
Humidity Icon76%
Wind Icon17km/h
Tue. 16, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/22°
Humidity Icon77%
Wind Icon20km/h
Wed. 17, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/22°
Humidity Icon76%
Wind Icon18km/h
Thu. 18, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/22°
Humidity Icon75%
Wind Icon23km/h
Fri. 19, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/21°
Humidity Icon74%
Wind Icon19km/h
Sat. 20, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/21°
Humidity Icon74%
Wind Icon21km/h
Sun. 21, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/20°
Humidity Icon74%
Wind Icon22km/h
Mon. 22, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/21°
Humidity Icon75%
Wind Icon20km/h
Tue. 23, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/20°
Humidity Icon80%
Wind Icon21km/h
Wed. 24, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/20°
Humidity Icon76%
Wind Icon22km/h
Thu. 25, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/20°
Humidity Icon78%
Wind Icon22km/h
Fri. 26, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/19°
Humidity Icon75%
Wind Icon21km/h
Sat. 27, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/19°
Humidity Icon75%
Wind Icon22km/h
Sun. 28, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/19°
Humidity Icon73%
Wind Icon21km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 30, Aug.

37.9°C

Low will be onSun. 28, Sep.

19.1°C

HumidityHumidity

High will be onFri. 5, Sep.

90%

Low will be onTue. 2, Sep.

56%

Wind SpeedWind Speed

High will be onWed. 10, Sep.

32.8km/h

Low will be onSat. 6, Sep.

9.4km/h

PrecipitationPrecipitation

High will be onWed. 24, Sep.

15.5mm

Low will be onSun. 31, Aug.

0.02mm

Ultraviolet IndexUV

High will be onSat. 6, Sep.

7

Low will be onFri. 29, Aug.

2

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