Muroran, Hokkaido, Japan Climate Change Severity

48
High
The current climate change severity in Muroran is High, with a 3.3% 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 May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Muroran 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), Muroran temperature has changed by around +87.7%, 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
1525
66.6%
cloudyCloudy
3412
-64.7%
rainyRainy
5144
-13.7%
snowySnowy
1354
315.3%
mistyMisty
00
0%

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

Climate Change Indicators:

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

Temperature change of

+1.35 °C

Variation in annual rainfall

+1.92 %

Change in average humidity

-2.13 %

PM2.5 levels surged by

+15.4 %

Heatwave changed by

-1 Days

Coldwave changed by

-2 Days

Wind speeds changed by

+3.5 km/h

These indicators show improvement in key parametes of climate, but Muroran 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 May

Muroran Weather Forecast 30 Days (June - July 2026)
Muroran, Hokkaido, Japan

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 3, Jun.
sunnySunny
Temperature Icon17°/12°
Humidity Icon80%
Wind Icon20.9km/h
Thu. 4, Jun.
cloudyCloudy
Temperature Icon17°/11°
Humidity Icon87%
Wind Icon20.5km/h
Fri. 5, Jun.
overcastOvercast
Temperature Icon13°/9°
Humidity Icon83%
Wind Icon34.9km/h
Sat. 6, Jun.
moderate rainRain
Temperature Icon9°/8°
Humidity Icon88%
Wind Icon42.8km/h
Sun. 7, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/9°
Humidity Icon91%
Wind Icon25.6km/h
Mon. 8, Jun.
heavy rainHeavy Rain
Temperature Icon11°/10°
Humidity Icon96%
Wind Icon39.6km/h
Tue. 9, Jun.
moderate rainRain
Temperature Icon12°/10°
Humidity Icon93%
Wind Icon34.2km/h
Wed. 10, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/9°
Humidity Icon87%
Wind Icon19.4km/h
Thu. 11, Jun.
partly cloudyPartly Cloudy
Temperature Icon16°/10°
Humidity Icon84%
Wind Icon14km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/12°
Humidity Icon87%
Wind Icon17.3km/h
Sat. 13, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/12°
Humidity Icon87%
Wind Icon16.2km/h
Sun. 14, Jun.
moderate rain at timesModerate rain at times
Temperature Icon17°/11°
Humidity Icon85%
Wind Icon16.6km/h
Mon. 15, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/12°
Humidity Icon90%
Wind Icon17.3km/h
Tue. 16, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon91%
Wind Icon18km/h
Wed. 17, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon89%
Wind Icon18km/h
Thu. 18, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon85%
Wind Icon15.5km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon86%
Wind Icon16.2km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon85%
Wind Icon18.7km/h
Sun. 21, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon86%
Wind Icon16.9km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon89%
Wind Icon18.7km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon88%
Wind Icon18.7km/h
Wed. 24, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon86%
Wind Icon17.3km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon85%
Wind Icon16.2km/h
Fri. 26, Jun.
heavy rain at timesHeavy rain at times
Temperature Icon19°/13°
Humidity Icon83%
Wind Icon18.4km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/14°
Humidity Icon86%
Wind Icon18km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/14°
Humidity Icon86%
Wind Icon15.8km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon86%
Wind Icon15.5km/h
Tue. 30, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/14°
Humidity Icon89%
Wind Icon16.9km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon91%
Wind Icon19.4km/h
Thu. 2, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon91%
Wind Icon16.6km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon88%
Wind Icon16.2km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 29, Jun.

20°C

Low will be onSat. 6, Jun.

8°C

HumidityHumidity

High will be onMon. 8, Jun.

96%

Low will be onWed. 3, Jun.

80%

Wind SpeedWind Speed

High will be onSat. 6, Jun.

42.8km/h

Low will be onThu. 11, Jun.

14km/h

PrecipitationPrecipitation

High will be onMon. 8, Jun.

52.06mm

Low will be onFri. 5, Jun.

0.06mm

Ultraviolet IndexUV

High will be onFri. 5, Jun.

8.1

Low will be onSun. 7, Jun.

2.8

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