Mount Tate Weather in December
During December, Mount Tate experiences low daytime temperatures of 2°C (36°F) and cooler nights around -5°C (23°F). December sits within the rainy season, and part of the winter season, so expect regular and often heavy snow/rainfall.
Rainfall in Mount Tate in December
As part of the rainy season, Mount Tate sees around 24 days of rain in December, with an average of 218 mm (8.6 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Mount Tate in December
Daytime temperatures in Mount Tate reach 2°C (36°F) in December, dropping to -5°C (23°F) at night. Experience the winter season in December. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. Nights are well below freezing at -5°C (23°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. This month is marked by cold temperatures, so wearing layers is key to staying warm. Don't be caught off-guard by the cold.
Sunshine in Mount Tate in December
With limited sunshine this month, there are about 86 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
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 Mount Tate's climate page.
Mount Tate Temperature in December
Min Temperature
-5°C (23°F)
Max Temperature
2°C (36°F)
Chance of Rain
79%
Precipitation
218 mm (8.6 in)
Rainy days
24 days
Sunshine
86 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mount Tate typically drop from around 11°C (52°F) at the start of December to approximately 6°C (43°F) by the end. Nights are very cold, with lows typically ranging from -3°C (27°F) to 2°C (36°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 Mount Tate in December
Browse day-by-day weather records for Mount Tate spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mount Tate historical weather extremes in December
Based on weather observations in Mount Tate between 1976 and 2025, these are the recorded extremes during December.
- The hottest December day on record in Mount Tate reached 21°C (70°F) (December 4, 2018).
- Mount Tate experienced its chilliest December day on December 27, 1976, reaching only -2°C (28°F).
- The lowest overnight temperature recorded in December was -12°C (10°F) (December 30, 1976).
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 Mount Tate in December
We recommend to layer up for chilly conditions in Mount Tate in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Mount Tate 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 Mount Tate's climate page.
See the full Mount Tate climate overview or explore weather in Japan.
