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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

6/29
Monday
Sunny
66.8°F/56.3°F
6/30
Tuesday
Sunny
68.1°F/55.6°F
7/1
Wednesday
Sunny
69.7°F/57°F
7/2
Thursday
Sunny
64.4°F/57.9°F
7/3
Friday
Patchy rain nearby
64°F/58.2°F
7/4
Saturday
Patchy rain nearby
62.8°F/59.4°F
7/5
Sunday
Patchy rain nearby
63.2°F/59.6°F