Koja, Okinawa, Japan Climate Change Severity

52
High
The current climate change severity in Koja is High, with a 10.7% 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 Jun. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Koja 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), Koja temperature has changed by around -4.6%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
1111
0%
cloudyCloudy
4626
-43.4%
rainyRainy
103100
-2.9%
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, Koja has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (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

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Koja experienced significant changes:

Temperature change of

-0.9 °C

Variation in annual rainfall

-10.3 %

Change in average humidity

-4.4 %

PM2.5 levels surged by

+10.2 %

Heatwave changed by

-6.2 day(s)

Coldwave changed by

+11.8 day(s)

Wind speeds changed by

-5.3 km/h

These indicators show that Koja 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 Jun.

Koja Weather Forecast 30 Days (July - August 2025)
Koja, Okinawa, Japan

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 30, Jul.
moderate rainModerate rain
Temperature Icon29°/27°
Humidity Icon89%
Wind Icon16km/h
Thu. 31, Jul.
moderate rainModerate rain
Temperature Icon30°/27°
Humidity Icon86%
Wind Icon17km/h
Fri. 1, Aug.
moderate rainModerate rain
Temperature Icon30°/27°
Humidity Icon84%
Wind Icon14km/h
Sat. 2, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/27°
Humidity Icon81%
Wind Icon10km/h
Sun. 3, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/27°
Humidity Icon83%
Wind Icon18km/h
Mon. 4, Aug.
moderate rainModerate rain
Temperature Icon30°/27°
Humidity Icon86%
Wind Icon15km/h
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/27°
Humidity Icon84%
Wind Icon16km/h
Wed. 6, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/27°
Humidity Icon88%
Wind Icon20km/h
Thu. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/28°
Humidity Icon84%
Wind Icon17km/h
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/28°
Humidity Icon83%
Wind Icon21km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon30°/28°
Humidity Icon84%
Wind Icon16km/h
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/28°
Humidity Icon84%
Wind Icon9km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/27°
Humidity Icon86%
Wind Icon21km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/26°
Humidity Icon87%
Wind Icon23km/h
Wed. 13, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon82%
Wind Icon23km/h
Thu. 14, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon82%
Wind Icon25km/h
Fri. 15, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon82%
Wind Icon25km/h
Sat. 16, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon81%
Wind Icon23km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon80%
Wind Icon21km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon80%
Wind Icon18km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon80%
Wind Icon21km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/28°
Humidity Icon80%
Wind Icon24km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/28°
Humidity Icon80%
Wind Icon26km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/28°
Humidity Icon81%
Wind Icon25km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon81%
Wind Icon27km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/28°
Humidity Icon81%
Wind Icon30km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/28°
Humidity Icon81%
Wind Icon27km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/28°
Humidity Icon79%
Wind Icon28km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon79%
Wind Icon27km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/28°
Humidity Icon79%
Wind Icon24km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/28°
Humidity Icon79%
Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 7, Aug.

30.6°C

Low will be onTue. 12, Aug.

26.3°C

HumidityHumidity

High will be onWed. 30, Jul.

89%

Low will be onTue. 26, Aug.

79%

Wind SpeedWind Speed

High will be onSun. 24, Aug.

29.5km/h

Low will be onSun. 10, Aug.

8.6km/h

PrecipitationPrecipitation

High will be onTue. 26, Aug.

13.4mm

Low will be onSat. 9, Aug.

0.05mm

Ultraviolet IndexUV

High will be onSat. 9, Aug.

7

Low will be onFri. 1, Aug.

2.6

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