Oshima (Hokkaido)
Island Island off Hokkaido's coast, volcanic and forested
How to Get to Oshima (Hokkaido) #
Oshima is reached by regional ferry or private boat from Hokkaido ports - schedules are seasonal and subject to weather. Check local ferry operators in Hakodate or nearby coastal towns for connections and timings.
Tips for Visiting Oshima (Hokkaido) #
- If visiting in summer, take a fishing permit and check local ferry schedules in advance.
- Oshima (Hokkaido) is remote; bring cash and supplies, as amenities are sparse.
- Check weather forecasts carefully: fog and rough seas can cancel boat connections.
Best Time to Visit Oshima (Hokkaido) #
Summer and early autumn are the best windows for straightforward travel and outdoor activities.
Weather & Climate near Oshima (Hokkaido) #
Oshima (Hokkaido)'s climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with warm summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -5°C to 23°C. Abundant rainfall (1453 mm/year), wettest in September.
January
January is the coldest month with highs of -1°C and lows of -5°C. Significant rainfall (107 mm), mostly overcast skies, and breezy conditions.
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February
February is freezing with highs of -1°C and lows of -4°C. Regular rainfall (85 mm), mostly overcast skies, and breezy conditions.
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March
March is cold with highs of 2°C and lows of -2°C. Regular rainfall (85 mm) and mostly overcast skies.
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April
April is cold with highs of 9°C and lows of 3°C. Regular rainfall (96 mm) and mostly overcast skies.
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May
May is cool with highs of 13°C and lows of 7°C. Significant rainfall (105 mm) and mostly overcast skies.
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June
June is cool with highs of 17°C and lows of 12°C. Significant rainfall (109 mm) and mostly overcast skies.
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July
July is mild with highs of 21°C and lows of 16°C. Significant rainfall (163 mm) and mostly overcast skies.
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August
August is the warmest month with highs of 23°C and lows of 18°C. Significant rainfall (166 mm) and mostly overcast skies.
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September
September is cool with highs of 20°C and lows of 15°C. The wettest month with heavy rain (176 mm) and partly cloudy skies.
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October
October is cool with highs of 14°C and lows of 9°C. Significant rainfall (123 mm) and mostly overcast skies.
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November
November is cold with highs of 7°C and lows of 2°C. Significant rainfall (124 mm) and mostly overcast skies.
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December
December is cold with highs of 2°C and lows of -2°C. Significant rainfall (114 mm), mostly overcast skies, and breezy conditions.