Koja, Okinawa, Japan Climate Change Severity

43
High
The current climate change severity in Koja is High, with a 8.5% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Aug. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Koja 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), Koja temperature has changed by around -2.2%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1542
180%
cloudyCloudy
5824
-58.6%
rainyRainy
174136
-21.8%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Koja has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Koja experienced significant changes:

Temperature change of

-0.52 °C

Variation in annual rainfall

+3.04 %

Change in average humidity

-0.9 %

PM2.5 levels surged by

+32.61 %

Heatwave changed by

-5 Days

Coldwave changed by

+2 Days

Wind speeds changed by

-2 km/h

These indicators show improvement in key parametes of climate, but Koja remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

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

Koja Weather Forecast 30 Days (October 2026)
Koja, Okinawa, Japan

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 1, Oct.
sunnySunny
Temperature Icon28°/25°
Humidity Icon84%
Wind Icon11.5km/h
Fri. 2, Oct.
sunnySunny
Temperature Icon28°/24°
Humidity Icon79%
Wind Icon22.7km/h
Sat. 3, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/24°
Humidity Icon81%
Wind Icon17.6km/h
Sun. 4, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/25°
Humidity Icon81%
Wind Icon15.1km/h
Mon. 5, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/24°
Humidity Icon80%
Wind Icon35.3km/h
Tue. 6, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon67%
Wind Icon31km/h
Wed. 7, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon59%
Wind Icon27.7km/h
Thu. 8, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/23°
Humidity Icon62%
Wind Icon30.2km/h
Fri. 9, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon28°/26°
Humidity Icon76%
Wind Icon27.6km/h
Sat. 10, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/25°
Humidity Icon78%
Wind Icon32.2km/h
Sun. 11, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/25°
Humidity Icon76%
Wind Icon33.1km/h
Mon. 12, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/25°
Humidity Icon76%
Wind Icon31.5km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/25°
Humidity Icon76%
Wind Icon29.7km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/25°
Humidity Icon77%
Wind Icon29.3km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/25°
Humidity Icon78%
Wind Icon30.3km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon27°/25°
Humidity Icon77%
Wind Icon28.9km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/25°
Humidity Icon77%
Wind Icon30.6km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/24°
Humidity Icon75%
Wind Icon30.2km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/25°
Humidity Icon75%
Wind Icon28km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/25°
Humidity Icon76%
Wind Icon30.1km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/25°
Humidity Icon78%
Wind Icon29.8km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/25°
Humidity Icon79%
Wind Icon31km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/24°
Humidity Icon77%
Wind Icon32km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/24°
Humidity Icon76%
Wind Icon29.9km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon26°/24°
Humidity Icon75%
Wind Icon32.2km/h
Mon. 26, Oct.
heavy rain at timesHeavy Rain
Temperature Icon25°/24°
Humidity Icon72%
Wind Icon28.6km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/23°
Humidity Icon72%
Wind Icon30.3km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/23°
Humidity Icon73%
Wind Icon33.4km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/23°
Humidity Icon73%
Wind Icon30.9km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/23°
Humidity Icon73%
Wind Icon30.6km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon25°/23°
Humidity Icon77%
Wind Icon32.2km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 1, Oct.

28°C

Low will be onTue. 6, Oct.

23°C

HumidityHumidity

High will be onThu. 1, Oct.

84%

Low will be onWed. 7, Oct.

59%

Wind SpeedWind Speed

High will be onMon. 5, Oct.

35.3km/h

Low will be onThu. 1, Oct.

11.5km/h

PrecipitationPrecipitation

High will be onSun. 11, Oct.

17.6mm

Low will be onWed. 7, Oct.

0.1mm

Ultraviolet IndexUV

High will be onThu. 1, Oct.

8.5

Low will be onSat. 24, Oct.

5

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