Yamanakako Weather in December
In Yamanakako, December brings low daytime temperatures around 10°C (50°F), with nights cooling to 1°C (34°F). It is the driest month of the year, with minimal rainfall.
Rainfall in Yamanakako in December
Expect fewer clouds and less rain as the month goes on. This makes it an ideal time for outdoor activities, even though the temperatures are on the cooler side. Typically, about 10 days will experience rainfall, with an average of 86 mm (3.4 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Yamanakako in December
In December, expect low temperatures in Yamanakako, with highs of 10°C (50°F) and lows of 1°C (34°F) at night. December is part of the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.December in Yamanakako has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Yamanakako's climate page.
Yamanakako Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
10°C (50°F)
Chance of Rain
33%
Precipitation
86 mm (3.4 in)
Rainy days
10 days
Humidity
47% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yamanakako typically drop from around 12°C (54°F) at the start of December to approximately 8°C (46°F) by the end. Nights are very cold, with lows typically ranging from -6°C (21°F) to -2°C (28°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 Yamanakako in December
Browse day-by-day weather records for Yamanakako spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yamanakako historical weather extremes in December
Our historical data for Yamanakako spans 1976 to 2025, revealing these weather extremes.
- The hottest December day on record in Yamanakako reached 21°C (70°F) (December 5, 2004).
- Yamanakako experienced its chilliest December day on December 30, 1994, reaching only -3°C (27°F).
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
poor
What to Wear in Yamanakako in December
Dress warmly and in layers for your trip to Yamanakako in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Yamanakako 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 Yamanakako's climate page.
See the full Yamanakako climate overview or explore weather in Japan.
