Oyama, Tochigi, Japan Climate Change Severity

48
High
The current climate change severity in Oyama is High, with a 5.06% 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

Oyama 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), Oyama temperature has changed by around +14.2%, 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
4549
8.8%
cloudyCloudy
5142
-17.6%
rainyRainy
9483
-11.7%
snowySnowy
15
400%
mistyMisty
00
0%

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

Climate Change Indicators:

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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Oyama experienced significant changes:

Temperature change of

+1.93 °C

Variation in annual rainfall

-6.13 %

Change in average humidity

-9.39 %

PM2.5 levels surged by

-5.73 %

Heatwave changed by

+9 Days

Coldwave changed by

-1 Days

Wind speeds changed by

+0.26 km/h

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

Oyama Weather Forecast 30 Days (August - September 2026)
Oyama, Tochigi, Japan

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 12, Aug.
light rainLight Rain
Temperature Icon24°/21°
Humidity Icon88%
Wind Icon34.2km/h
Thu. 13, Aug.
light rain showerRain Shower
Temperature Icon28°/22°
Humidity Icon82%
Wind Icon11.2km/h
Fri. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/22°
Humidity Icon79%
Wind Icon11.9km/h
Sat. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/23°
Humidity Icon80%
Wind Icon13.3km/h
Sun. 16, Aug.
partly cloudyPartly Cloudy
Temperature Icon29°/22°
Humidity Icon68%
Wind Icon10.4km/h
Mon. 17, Aug.
cloudyCloudy
Temperature Icon29°/23°
Humidity Icon69%
Wind Icon12.6km/h
Tue. 18, Aug.
partly cloudyPartly Cloudy
Temperature Icon32°/23°
Humidity Icon67%
Wind Icon13.3km/h
Wed. 19, Aug.
sunnySunny
Temperature Icon36°/25°
Humidity Icon65%
Wind Icon11.5km/h
Thu. 20, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/23°
Humidity Icon74%
Wind Icon11.4km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/23°
Humidity Icon73%
Wind Icon12.2km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon75%
Wind Icon13.8km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/24°
Humidity Icon73%
Wind Icon12.5km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/23°
Humidity Icon71%
Wind Icon13.9km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/23°
Humidity Icon71%
Wind Icon12.3km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/23°
Humidity Icon72%
Wind Icon13.3km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/23°
Humidity Icon73%
Wind Icon13.5km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon75%
Wind Icon11.9km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon75%
Wind Icon11.3km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/23°
Humidity Icon75%
Wind Icon12.4km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon76%
Wind Icon14.5km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon74%
Wind Icon13.8km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon76%
Wind Icon13.5km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon77%
Wind Icon13.3km/h
Fri. 4, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon28°/22°
Humidity Icon77%
Wind Icon15km/h
Sat. 5, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon76%
Wind Icon13.5km/h
Sun. 6, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon74%
Wind Icon12.5km/h
Mon. 7, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon73%
Wind Icon15.1km/h
Tue. 8, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon28°/21°
Humidity Icon77%
Wind Icon14.9km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/21°
Humidity Icon75%
Wind Icon15.6km/h
Thu. 10, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/21°
Humidity Icon74%
Wind Icon12.2km/h
Fri. 11, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon29°/21°
Humidity Icon74%
Wind Icon11.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 19, Aug.

36°C

Low will be onWed. 12, Aug.

21°C

HumidityHumidity

High will be onWed. 12, Aug.

88%

Low will be onWed. 19, Aug.

65%

Wind SpeedWind Speed

High will be onWed. 12, Aug.

34.2km/h

Low will be onSun. 16, Aug.

10.4km/h

PrecipitationPrecipitation

High will be onWed. 12, Aug.

18.9mm

Low will be onMon. 17, Aug.

0.04mm

Ultraviolet IndexUV

High will be onThu. 13, Aug.

9.1

Low will be onWed. 12, Aug.

2.9

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