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Muroran
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Muroran Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Muroran year round climate
- Spring (March–May): Average 36–53°F, cold climate with occasional snowfall, gradually becoming milder. March and April remain relatively cold, warming up in May. Common activities: Flower viewing (mainly not cherry blossoms), outdoor excursions (be mindful of weather changes). Recommended clothing: Warm coat, sweater, scarf, hat.
- Summer (June–August): Average 60–73°F, warm and humid climate with more rainfall, especially in August. Common activities: Beach activities, mountain hiking (be mindful of weather changes and sun protection). Recommended clothing: Light and breathable clothing, rain gear.
- Autumn (September–November): Average 44–68°F, pleasant climate, but with large temperature differences between day and night, and more rainfall. Common activities: Maple leaf viewing, outdoor leisure activities. Recommended clothing: Light jacket, long-sleeved clothing.
- Winter (December–February): Average -1.7–-32.4°F, cold climate with light snowfall but low temperatures, requiring attention to cold protection. Common activities: Skiing (depending on snow conditions), indoor activities. Recommended clothing: Thick warm coat, warm hat, gloves, scarf, waterproof and windproof clothing.
Muroran climatological average
Annual average temperature: approx. 49.5°F / Annual rainfall: approx. 1146 mm / Summer humidity: 70%–80% / Rainiest month: August
Muroran monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
28.9°F
62.5
February
29.8°F
29.6
March
36.7°F
53.2
April
46.6°F
53.1
May
53.4°F
66.8
June
60.8°F
149.2
July
70.5°F
116.1
August
73°F
218.8
September
68°F
166.8
October
56.8°F
118.4
November
45°F
73.2
December
31.6°F
38.6
Muroran weather for the next seven days
12/21
Sunday
Moderate rain
46.2°F/32.2°F
12/22
Monday
Light snow
31°F/28.1°F
12/23
Tuesday
Sunny
32.9°F/27.8°F
12/24
Wednesday
Moderate rain
42.1°F/38.4°F
12/25
Thursday
Patchy rain nearby
37.6°F/30.8°F
12/26
Friday
Blizzard
31.1°F/20.4°F
12/27
Saturday
Blowing snow
28.3°F/20.6°F
