Yachimata, Chiba, Japan Climate Change Severity

62
Very High
The current climate change severity in Yachimata is Very High, with a 35.7% 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 Nov. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Yachimata 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), Yachimata temperature has changed by around +4.6%, 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
6047
-21.6%
cloudyCloudy
7869
-11.5%
rainyRainy
163127
-22.08%
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, Yachimata has experienced measurable shifts in key climate parameters, contributing to the current severity score of 62 (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

62/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Yachimata experienced significant changes:

Temperature change of

+0.7 °C

Variation in annual rainfall

-34.3 %

Change in average humidity

-8.8 %

PM2.5 levels surged by

-10.5 %

Heatwave changed by

+29.2 day(s)

Coldwave changed by

-5.7 day(s)

Wind speeds changed by

-1.7 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Yachimata'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 Nov.

Yachimata Weather Forecast 30 Days (December - January 2026)
Yachimata, Chiba, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 14, Dec.
moderate rainModerate rain
Temperature Icon9°/7°
Humidity Icon82%
Wind Icon17km/h
Mon. 15, Dec.
sunnySunny
Temperature Icon12°/7°
Humidity Icon37%
Wind Icon25km/h
Tue. 16, Dec.
partly cloudyPartly Cloudy
Temperature Icon12°/7°
Humidity Icon42%
Wind Icon10km/h
Wed. 17, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/7°
Humidity Icon57%
Wind Icon12km/h
Thu. 18, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/9°
Humidity Icon65%
Wind Icon17km/h
Fri. 19, Dec.
overcastOvercast
Temperature Icon14°/8°
Humidity Icon57%
Wind Icon9km/h
Sat. 20, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/12°
Humidity Icon62%
Wind Icon13km/h
Sun. 21, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/13°
Humidity Icon78%
Wind Icon23km/h
Mon. 22, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/11°
Humidity Icon80%
Wind Icon22km/h
Tue. 23, Dec.
moderate rainModerate rain
Temperature Icon19°/11°
Humidity Icon90%
Wind Icon35km/h
Wed. 24, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/12°
Humidity Icon73%
Wind Icon14km/h
Thu. 25, Dec.
sunnySunny
Temperature Icon10°/7°
Humidity Icon35%
Wind Icon25km/h
Fri. 26, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/6°
Humidity Icon59%
Wind Icon16km/h
Sat. 27, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/7°
Humidity Icon74%
Wind Icon23km/h
Sun. 28, Dec.
sunnySunny
Temperature Icon11°/7°
Humidity Icon29%
Wind Icon15km/h
Mon. 29, Dec.
heavy rain at timesHeavy rain at times
Temperature Icon10°/4°
Humidity Icon57%
Wind Icon19km/h
Tue. 30, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon58%
Wind Icon20km/h
Wed. 31, Dec.
moderate rain at timesModerate rain at times
Temperature Icon10°/3°
Humidity Icon56%
Wind Icon21km/h
Thu. 1, Jan.
patchy rain possiblePatchy rain possible
Temperature Icon10°/3°
Humidity Icon51%
Wind Icon20km/h
Fri. 2, Jan.
patchy rain possiblePatchy rain possible
Temperature Icon10°/3°
Humidity Icon53%
Wind Icon18km/h
Sat. 3, Jan.
patchy rain possiblePatchy rain possible
Temperature Icon9°/3°
Humidity Icon57%
Wind Icon18km/h
Sun. 4, Jan.
patchy rain possiblePatchy rain possible
Temperature Icon10°/3°
Humidity Icon56%
Wind Icon19km/h
Mon. 5, Jan.
patchy rain possiblePatchy rain possible
Temperature Icon10°/3°
Humidity Icon54%
Wind Icon20km/h
Tue. 6, Jan.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/3°
Humidity Icon59%
Wind Icon20km/h
Wed. 7, Jan.
moderate rain at timesModerate rain at times
Temperature Icon9°/3°
Humidity Icon58%
Wind Icon21km/h
Thu. 8, Jan.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon58%
Wind Icon18km/h
Fri. 9, Jan.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon58%
Wind Icon23km/h
Sat. 10, Jan.
patchy rain possiblePatchy rain possible
Temperature Icon9°/3°
Humidity Icon52%
Wind Icon23km/h
Sun. 11, Jan.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/2°
Humidity Icon55%
Wind Icon18km/h
Mon. 12, Jan.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/2°
Humidity Icon60%
Wind Icon18km/h
Tue. 13, Jan.
heavy rain at timesHeavy rain at times
Temperature Icon10°/2°
Humidity Icon56%
Wind Icon21km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 23, Dec.

18.6°C

Low will be onTue. 13, Jan.

1.9°C

HumidityHumidity

High will be onTue. 23, Dec.

90%

Low will be onSun. 28, Dec.

29%

Wind SpeedWind Speed

High will be onTue. 23, Dec.

34.9km/h

Low will be onFri. 19, Dec.

8.6km/h

PrecipitationPrecipitation

High will be onTue. 23, Dec.

13.02mm

Low will be onTue. 16, Dec.

0.01mm

Ultraviolet IndexUV

High will be onTue. 23, Dec.

4

Low will be onSun. 14, Dec.

0.2

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