Otsu, Shiga, Japan Climate Change Severity

43
High
The current climate change severity in Otsu is High, with a 9.1% 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 Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Otsu 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), Otsu temperature has changed by around +6.8%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
2548
92%
cloudyCloudy
4834
-29.1%
rainyRainy
10180
-20.7%
snowySnowy
119
1800%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Otsu 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, Otsu experienced significant changes:

Temperature change of

+0.91 °C

Variation in annual rainfall

-12.42 %

Change in average humidity

-7.53 %

PM2.5 levels surged by

-6.83 %

Heatwave changed by

+6 Days

Coldwave changed by

0 Day

Wind speeds changed by

+1.61 km/h

These indicators show improvement in key parametes of climate, but Otsu 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 Jul.

Otsu Weather Forecast 30 Days (August - September 2026)
Otsu, Shiga, Japan

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/23°
Humidity Icon74%
Wind Icon20.2km/h
Fri. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/23°
Humidity Icon70%
Wind Icon14km/h
Sat. 15, Aug.
sunnySunny
Temperature Icon32°/23°
Humidity Icon68%
Wind Icon20.2km/h
Sun. 16, Aug.
sunnySunny
Temperature Icon32°/24°
Humidity Icon63%
Wind Icon21.6km/h
Mon. 17, Aug.
partly cloudyPartly Cloudy
Temperature Icon31°/23°
Humidity Icon69%
Wind Icon18.7km/h
Tue. 18, Aug.
partly cloudyPartly Cloudy
Temperature Icon33°/23°
Humidity Icon67%
Wind Icon12.2km/h
Wed. 19, Aug.
sunnySunny
Temperature Icon35°/23°
Humidity Icon60%
Wind Icon13.3km/h
Thu. 20, Aug.
sunnySunny
Temperature Icon35°/23°
Humidity Icon60%
Wind Icon13.7km/h
Fri. 21, Aug.
partly cloudyPartly Cloudy
Temperature Icon31°/25°
Humidity Icon63%
Wind Icon6.1km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/24°
Humidity Icon76%
Wind Icon12km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon79%
Wind Icon12.7km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/23°
Humidity Icon78%
Wind Icon12.7km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/23°
Humidity Icon79%
Wind Icon11.1km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/22°
Humidity Icon77%
Wind Icon12km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/22°
Humidity Icon77%
Wind Icon10.2km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon78%
Wind Icon11.7km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/22°
Humidity Icon78%
Wind Icon10.9km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/23°
Humidity Icon79%
Wind Icon13.6km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon76%
Wind Icon13.4km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon78%
Wind Icon11.3km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon80%
Wind Icon12km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon80%
Wind Icon13km/h
Fri. 4, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon82%
Wind Icon13.8km/h
Sat. 5, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon79%
Wind Icon11.3km/h
Sun. 6, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon77%
Wind Icon11.6km/h
Mon. 7, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/21°
Humidity Icon77%
Wind Icon12.9km/h
Tue. 8, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon28°/21°
Humidity Icon80%
Wind Icon12.5km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon28°/21°
Humidity Icon79%
Wind Icon9.7km/h
Thu. 10, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/20°
Humidity Icon78%
Wind Icon9.2km/h
Fri. 11, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/21°
Humidity Icon78%
Wind Icon9.9km/h
Sat. 12, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/20°
Humidity Icon79%
Wind Icon11km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 19, Aug.

35°C

Low will be onThu. 10, Sep.

20°C

HumidityHumidity

High will be onFri. 4, Sep.

82%

Low will be onWed. 19, Aug.

60%

Wind SpeedWind Speed

High will be onSun. 16, Aug.

21.6km/h

Low will be onFri. 21, Aug.

6.1km/h

PrecipitationPrecipitation

High will be onFri. 4, Sep.

16.6mm

Low will be onFri. 21, Aug.

0.01mm

Ultraviolet IndexUV

High will be onFri. 14, Aug.

8.8

Low will be onMon. 17, Aug.

3.2

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