Hachijo Weather in December

During December, Hachijo experiences pleasant daytime temperatures of 18°C (64°F) and cooler nights around 14°C (57°F). Expect quite a bit of rainfall. Around 152 mm (6 in) is typical.

Rainfall in Hachijo in December

Typically around 12 days of rainfall are expected, averaging 152 mm (6 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Hachijo in December

If you're visiting Hachijo in December, expect highs of 18°C (64°F) and overnight lows around 14°C (57°F). The difference between afternoon and evening temperatures is usually noticeable. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Hachijo in December

With about 103 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Hachijo in December

Average wind conditions reach 6 m/s (12 knots) in December. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

Average water temperature in December

With water at 20°C (68°F), conditions are good for swimming and other water activities. You won't need a wetsuit and most people find it very comfortable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, July and August typically offer the best weather for Hachijo.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Hachijo's climate page.

Hachijo Temperature in December

Min Temperature 14°C (57°F)  

Max Temperature 18°C (64°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 39%  

Precipitation 152 mm (6 in)  

Rainy days 12 days  

Humidity 68% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 103 hours *  

Percentage Sunshine 33% *  

What to Wear in Hachijo in December

For Hachijo in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 20°C (68°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Hachijo in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Hachijo's climate page.

More climate data for Hachijo

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Hachijo climate overview or explore weather in Japan.