Yakushima Weather in December
December in Yakushima brings pleasant temperatures around 18°C (64°F) during the day, dropping to 14°C (57°F) at night, with the driest conditions of the year.
Rainfall in Yakushima in December
Enjoy minimal rain interruptions this month. It's an excellent time for outdoor plans, from sports to festivals. Past climate data indicates that roughly 21 days will see rain, totalling around 130 mm (5.1 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Yakushima in December
Yakushima in December gets highs of 18°C (64°F) during the day and drops to 14°C (57°F) at night. During December, you'll experience the winter season. 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 Yakushima in December
You can expect a moderate amount of sunlight, with approximately 121 hours. This means a pleasant mix of sun and overcast.If you prefer enjoying temperate temperatures and rain-free days, August, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Yakushima's climate page.
Yakushima Temperature in December
Min Temperature
14°C (57°F)
Max Temperature
18°C (64°F)
Chance of Rain
70%
Precipitation
130 mm (5.1 in)
Rainy days
21 days
Humidity
65% *
Sunshine
121 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yakushima typically drop from around 18°C (64°F) at the start of December to approximately 15°C (59°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Yakushima in December
Browse day-by-day weather records for Yakushima spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yakushima historical weather extremes in December
Based on 49 years of weather observations in Yakushima between 1976 and 2025, these are the recorded extremes.
- The warmest day in December was on December 1, 2025, with a maximum of 28°C (82°F).
- The coldest December day was on December 28, 1976, with a maximum of 6°C (43°F).
- The lowest overnight temperature recorded in December was 3°C (37°F) (December 31, 2010).
Best Places in Japan in December
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in December →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Yakushima in December
For Yakushima 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Yakushima in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Yakushima's climate page.
Temperature Rainfall Sunshine Humidity
See the full Yakushima climate overview or explore weather in Japan.
