Toyama City Weather in December
During December, Toyama City experiences low daytime temperatures of 9°C (48°F) and cooler nights around 2°C (36°F). December sits within the rainy season, and part of the winter season, so expect regular and often heavy rainfall.
Rainfall in Toyama City in December
As part of the rainy season, Toyama City sees around 26 days of rain in December, with an average of 220 mm (8.7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Toyama City in December
If you're visiting Toyama City in December, expect highs of 9°C (48°F) and overnight lows around 2°C (36°F). The winter season takes place during December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Toyama City in December
This month sees fewer sunny days, with about 86 hours of sunshine, perfect for those who enjoy cooler temperatures.December in Toyama City 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 Toyama City's climate page.
Toyama City Temperature in December
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Toyama City typically drop from around 12°C (54°F) at the start of December to approximately 7°C (45°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 5°C (41°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 Toyama City in December
Browse day-by-day weather records for Toyama City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Toyama City historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Toyama City.
- The warmest day in December was on December 15, 2023, with a maximum of 21°C (70°F).
- The lowest daytime temperature in December was -1°C (30°F), recorded on December 26, 2021.
- Nighttime temperatures dropped to -7°C (19°F) on December 16, 1985, marking the coldest December night on record.
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 →
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What to Wear in Toyama City in December
Dress warmly and in layers for your trip to Toyama City 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Toyama City 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 Toyama City's climate page.
See the full Toyama City climate overview or explore weather in Japan.