Average weather for Hachijō-jima in December
It's cool to moderate in December in Hachijō-jima with an average temperature of 16°C. Temperatures this month range from a low of 13°C to a high of 20°C. At night, you can expect temperatures between 8°C and 14°C.
Start of December
The month of December starts in Hachijō-jima with mild temps, averaging around 18°C during the day and nights around 14°C. There are plenty of days with a good chance of precipitation.
Mid December
By mid-December, daytime temps drop to around 16°C, with nights around 11°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Hachijō-jima is around 16°C, while nighttime temps are about 11°C. There’s a significant chance of many days with precipitation.
In December, there is an average of 266 mm of precipitation, spread over 11 days. The wind speed is around 5 Bft, mostly coming from the Southwest.
Hachijō-jima in December |
New York | ||
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16°C | 9°C | |
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20°C | 12°C | |
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13°C | -5°C | |
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266 mm | 133 mm | |
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11 days | 17 days |
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is December a good time to visit Hachijō-jima?
Looking for sun and warm weather? December isn’t a good month to be in Hachijō-jima. The temperatures are too low for a warm stay this month.
The typhoon season in Hachijō-jima runs from June to November.
Temperature records
With 24°C in 2023, Hachijō-jima reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 7°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 20°C.
Check out the climate of Hachijō-jima for all months and discover the best travel time
Daily Temperature in December in Hachijō-jima
This chart shows the average daily high and low temperatures in December for Hachijō-jima, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Hachijō-jima
The chart below shows the average daily precipitation in December for Hachijō-jima, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 11 days of precipitation in Hachijō-jima.
Daily UV index in December in Hachijō-jima
This chart shows the average daily UV index in December in Hachijō-jima, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Hachijō-jima over the years
This chart shows the average temperature in December in Hachijō-jima, measured in degrees Celsius, over the past few years.
Total precipitation in December in Hachijō-jima over the years
This chart shows the average precipitation in December in Hachijō-jima, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Hachijō-jima
Click on any day in December to get detailed info about the usual weather on that day in Hachijō-jima. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in December in Hachijō-jima
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Average weather in Hachijō-jima by month
Click on a month below to see detailed weather info for Hachijō-jima. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Hachijō-jima for all months at once