Omihachiman, Shiga, Japan Climate Change Severity

48
High
The current climate change severity in Omihachiman is High, with a 6.8% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Omihachiman 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), Omihachiman temperature has changed by around +8.3%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1927
42.1%
cloudyCloudy
3217
-46.8%
rainyRainy
7558
-22.6%
snowySnowy
525
400%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Omihachiman has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Omihachiman experienced significant changes:

Temperature change of

+0.74 °C

Variation in annual rainfall

-16.8 %

Change in average humidity

-5.74 %

PM2.5 levels surged by

+5.9 %

Heatwave changed by

-3 Days

Coldwave changed by

0 Day

Wind speeds changed by

-2.14 km/h

These indicators show that Omihachiman 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 May

Omihachiman Weather Forecast 30 Days (June - July 2026)
Omihachiman, Shiga, Japan

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 3, Jun.
heavy rainHeavy Rain
Temperature Icon20°/17°
Humidity Icon93%
Wind Icon32.8km/h
Thu. 4, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/18°
Humidity Icon85%
Wind Icon12.6km/h
Fri. 5, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/17°
Humidity Icon88%
Wind Icon13.3km/h
Sat. 6, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/17°
Humidity Icon83%
Wind Icon6.8km/h
Sun. 7, Jun.
heavy rainHeavy Rain
Temperature Icon19°/17°
Humidity Icon94%
Wind Icon23.4km/h
Mon. 8, Jun.
moderate rainRain
Temperature Icon18°/16°
Humidity Icon92%
Wind Icon24.5km/h
Tue. 9, Jun.
cloudyCloudy
Temperature Icon23°/15°
Humidity Icon70%
Wind Icon11.5km/h
Wed. 10, Jun.
sunnySunny
Temperature Icon24°/15°
Humidity Icon58%
Wind Icon4.3km/h
Thu. 11, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/17°
Humidity Icon73%
Wind Icon7.6km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/17°
Humidity Icon81%
Wind Icon13.7km/h
Sat. 13, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/17°
Humidity Icon80%
Wind Icon11.9km/h
Sun. 14, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/17°
Humidity Icon81%
Wind Icon12.6km/h
Mon. 15, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/17°
Humidity Icon80%
Wind Icon12.2km/h
Tue. 16, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/17°
Humidity Icon82%
Wind Icon15.1km/h
Wed. 17, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/17°
Humidity Icon76%
Wind Icon10.4km/h
Thu. 18, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon81%
Wind Icon11.2km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon83%
Wind Icon13km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon82%
Wind Icon13km/h
Sun. 21, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon84%
Wind Icon12.6km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon83%
Wind Icon12.2km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon82%
Wind Icon13km/h
Wed. 24, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon79%
Wind Icon12.2km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon80%
Wind Icon11.2km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/19°
Humidity Icon83%
Wind Icon13.7km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/20°
Humidity Icon82%
Wind Icon13.3km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon83%
Wind Icon13km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/20°
Humidity Icon81%
Wind Icon11.5km/h
Tue. 30, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/21°
Humidity Icon85%
Wind Icon13.7km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/21°
Humidity Icon85%
Wind Icon14.4km/h
Thu. 2, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/21°
Humidity Icon83%
Wind Icon10.1km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/21°
Humidity Icon87%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 2, Jul.

29°C

Low will be onTue. 9, Jun.

15°C

HumidityHumidity

High will be onSun. 7, Jun.

94%

Low will be onWed. 10, Jun.

58%

Wind SpeedWind Speed

High will be onWed. 3, Jun.

32.8km/h

Low will be onWed. 10, Jun.

4.3km/h

PrecipitationPrecipitation

High will be onWed. 3, Jun.

60.08mm

Low will be onTue. 9, Jun.

0.01mm

Ultraviolet IndexUV

High will be onFri. 5, Jun.

9.2

Low will be onMon. 8, Jun.

4

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