Iruma, Saitama, Japan Climate Change Severity

38
Moderate
The current climate change severity in Iruma is Moderate, with a 25.7% 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 Jun. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Iruma 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), Iruma temperature has changed by around +9.2%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
4346
6.9%
cloudyCloudy
4932
-34.6%
rainyRainy
7076
8.5%
snowySnowy
14
300%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Iruma has experienced measurable improvements in key climate parameters, contributing to the current severity score of 38 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Iruma experienced significant changes:

Temperature change of

+1.13 °C

Variation in annual rainfall

+3.11 %

Change in average humidity

-4.86 %

PM2.5 levels surged by

-7.95 %

Heatwave changed by

+3 Days

Coldwave changed by

0 Day

Wind speeds changed by

-0.38 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Iruma Weather Forecast 30 Days (July - August 2026)
Iruma, Saitama, Japan

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 31, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon36°/27°
Humidity Icon57%
Wind Icon13.7km/h
Sat. 1, Aug.
sunnySunny
Temperature Icon36°/27°
Humidity Icon58%
Wind Icon8.3km/h
Sun. 2, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon35°/25°
Humidity Icon62%
Wind Icon21.6km/h
Mon. 3, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/24°
Humidity Icon71%
Wind Icon13.7km/h
Tue. 4, Aug.
cloudyCloudy
Temperature Icon32°/24°
Humidity Icon60%
Wind Icon20.2km/h
Wed. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/24°
Humidity Icon64%
Wind Icon15.1km/h
Thu. 6, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon35°/26°
Humidity Icon66%
Wind Icon20.2km/h
Fri. 7, Aug.
sunnySunny
Temperature Icon35°/27°
Humidity Icon62%
Wind Icon19.8km/h
Sat. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/27°
Humidity Icon66%
Wind Icon16.2km/h
Sun. 9, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/24°
Humidity Icon71%
Wind Icon16.2km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/24°
Humidity Icon72%
Wind Icon15.2km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/25°
Humidity Icon72%
Wind Icon15.2km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon73%
Wind Icon13.6km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon74%
Wind Icon12.1km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon74%
Wind Icon12.7km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon75%
Wind Icon14.4km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon73%
Wind Icon17km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/24°
Humidity Icon72%
Wind Icon15km/h
Tue. 18, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon32°/24°
Humidity Icon72%
Wind Icon12.4km/h
Wed. 19, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon72%
Wind Icon13.9km/h
Thu. 20, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/23°
Humidity Icon73%
Wind Icon11.9km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon73%
Wind Icon12.4km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon74%
Wind Icon13.6km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon72%
Wind Icon13.1km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/24°
Humidity Icon70%
Wind Icon13.5km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/23°
Humidity Icon71%
Wind Icon13.1km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/23°
Humidity Icon71%
Wind Icon13.2km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/23°
Humidity Icon72%
Wind Icon14km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/22°
Humidity Icon73%
Wind Icon12.3km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/22°
Humidity Icon73%
Wind Icon11.9km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/23°
Humidity Icon75%
Wind Icon12.6km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 31, Jul.

36°C

Low will be onFri. 28, Aug.

22°C

HumidityHumidity

High will be onSat. 15, Aug.

75%

Low will be onFri. 31, Jul.

57%

Wind SpeedWind Speed

High will be onSun. 2, Aug.

21.6km/h

Low will be onSat. 1, Aug.

8.3km/h

PrecipitationPrecipitation

High will be onSat. 22, Aug.

11.3mm

Low will be onTue. 4, Aug.

0.01mm

Ultraviolet IndexUV

High will be onTue. 4, Aug.

9.4

Low will be onMon. 3, Aug.

2.2

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