Otari Weather in December
December in Otari brings low temperatures, with highs of 4°C (39°F) and nights dropping to -4°C (25°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Otari in December
Otari is in the rainy season in December, with rain on around 23 days and an average of 238 mm (9.4 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Otari in December
Daytime temperatures in Otari reach 4°C (39°F) in December, dropping to -4°C (25°F) at night. December marks the winter season. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. With overnight lows of -4°C (25°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. You will probably experience very cold weather in this month, so dressing warmly is vital. Be sure to prepare for the chill with the right clothing.
Sunshine in Otari in December
This month is characterized by fewer sunny days, with about 86 hours of sunshine. It's great for those who appreciate cooler, less sunny days.Our weather planner can help you explore other travel destinations worldwide.
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 Otari's climate page.
Otari Temperature in December
Min Temperature
-4°C (25°F)
Max Temperature
4°C (39°F)
Chance of Rain
77%
Precipitation
238 mm (9.4 in)
Rainy days
23 days
Sunshine
86 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Otari typically drop from around 10°C (50°F) at the start of December to approximately 5°C (41°F) by the end. Nights are cold, with lows typically ranging from -2°C (28°F) to 3°C (37°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 Otari in December
Browse day-by-day weather records for Otari spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Otari historical weather extremes in December
Based on 49 years of weather observations in Otari between 1976 and 2025, these are the recorded extremes.
- Otari recorded its highest December temperature of 21°C (70°F) on December 4, 2018.
- The lowest daytime temperature in December was -2°C (28°F), recorded on December 26, 1995.
- The lowest overnight temperature recorded in December was -9°C (16°F) (December 31, 2020).
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
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tolerable
unpleasant
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What to Wear in Otari in December
We recommend to layer up for chilly conditions in Otari 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 Otari 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 Otari's climate page.
See the full Otari climate overview or explore weather in Japan.
