Toyama in December: weather, what to wear and what's on

Averages for 1991–2020 at the JMA's Toyama station (9 m above sea level).

High

9.5°C (49°F)

Low

2.5°C (36°F)

Precipitation

281.6 mm

Wet days

21.8 days

Sunshine

71 hours

Snow on ground

8.8 days

• Highs fall 6.2°C from November and drop another 3.2°C into January.
• That is 9.4°C below Toyama's yearly average high of 18.9°C.
• Of our 34 places with temperature records, Toyama is the 14th coldest in December: 0.7°C cooler than Kanazawa and 0.8°C warmer than Niigata.
• Of our 35 places, Toyama has the 4th highest precipitation in December: 0.2 mm less than Yakushima and 55.7 mm more than Niigata.
• Rain or snow of 1 mm or more falls on 21.8 days, and 10 mm or more on 10.8 days.
• Rain or snow of 30 mm or more in one day falls on 2.1 days.
• The temperature drops below 0°C on 4.0 nights.
• 49 cm of snow falls in an average December; snow lies on the ground on 8.8 days.
• The sun is out for 40% or more of the possible hours on 7.6 days, and 6.8 days have under 0.1 hours of sunshine.
• On 15 December 2026 the sun rises at 6:56 and sets at 16:36 in Toyama, giving 9 hours 40 minutes of daylight (NAOJ).

Average temperature

5.7°C (42°F)

Humidity

81%

Deepest snow (average of each year's deepest)

23 cm

Early, mid and late December

By the last ten days of December the average high in Toyama is 3.4°C lower than in the first ten.

By ten-day totals, 11–20 December is the wettest (103.1 mm) and 1–10 December the driest (86.5 mm).

Is Toyama cold in December?

Yes, it is cold. Toyama averages 9.5°C (49°F) by day and 2.5°C (36°F) at night in December. It gets colder still: 21–31 January has highs of 5.9°C.

Cold: highs around 9.5°C

• A winter coat over layers, and a scarf.
• Gloves and a hat for mornings and nights: the temperature drops below 0°C on 4.0 nights.
• A waterproof jacket with a hood: rain or snow falls on 21.8 days.

Shoes

• Waterproof boots with good grip: snow lies on the ground on 8.8 days (deepest 23 cm on average).

Pack

• Waterproof jacket with a hood
• Gloves and a warm hat
• Scarf
• Waterproof boots with grip

• Our clothing rules

Autumn leaves (maple)

The JMA's sample maple in Toyama turns red around 24 November and has lost most of its leaves by 5 December in an average year (1991–2020). In 2025: 25 November.

Dates are for one sample tree at or near the JMA observatory, not for every park in the city.

There are no national holidays in December 2026.

In December 2025, hotels and inns across Toyama Prefecture were 48.8% full on average (9th busiest of 12 months). Foreign guests spent 23,460 nights there that month (Japan Tourism Agency). That compares with 64.0% in November and 38.4% in January.

• Japan in December: visitor numbers and busy travel days
• Holidays in December
• Year-end and New Year holidays