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A tram crosses a snow-covered bridge in Toyama City with snow piled along the road

Photo: Toyama Chiho Railway Toyama City Tram Line - flicker(3).jpg by tsuda (CC BY-SA 2.0, cropped), via Wikimedia Commons.

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

In December, Toyama averages a high of 9.5°C (49°F) and a low of 2.5°C (36°F), with 281.6 mm of rain or snow on about 21.8 days (JMA, 1991–2020). It is Toyama's wettest month. Snow lies on the ground on 8.8 days, and the deepest snow averages 23 cm.

Toyama weather in December

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

Toyama in December by ten-day period: averages for 1991–2020 (JMA)
DaysHighLowPrecipitation
1–10 December11.5°C3.9°C86.5 mm
11–20 December9.0°C2.4°C103.1 mm
21–31 December8.1°C1.4°C92.0 mm

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).

What to wear in Toyama in December

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

Flowers and autumn colour in Toyama in December

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.

Holidays and crowds in December

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.

Frequently asked questions

What is the weather like in Toyama in December?

The average high is 9.5°C (49°F) and the average low 2.5°C (36°F). 281.6 mm of rain or snow falls on about 21.8 days (JMA, 1991–2020).

What should I wear in Toyama in December?

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.

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.

Does it snow in Toyama in December?

Yes. 49 cm of snow falls in an average December, and snow lies on the ground on 8.8 days (JMA, 1991–2020).

Is Toyama busy in December?

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).

What are the record temperatures for December in Toyama?

The highest temperature the JMA has recorded in Toyama in December is 24.8°C (77°F), on 4 December 2018. The lowest is −8.5°C (17°F), on 31 December 1967.

What events are on in Toyama in December?

Winter Fes at the Botanical Garden: 5 and 6 December 2026. Kansui Fireworks Symphony in Christmas Night: Late December (2025: 20 December).

When do the leaves turn red in Toyama?

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.

December records in Toyama

The extremes the JMA has measured in December at its Toyama station.

Hottest December day
24.8°C (77°F) on 4 December 2018 (records since 1939)
Coldest December night
−8.5°C (17°F) on 31 December 1967 (records since 1939)
Wettest December day
88.7 mm on 26 December 1966 (records since 1939)
Deepest December snow
120 cm on 31 December 1960 (records since 1939)
Most snow in one December day
84 cm on 26 December 1966 (records since 1953)

What's on in Toyama in December

Events in Toyama in December: dates from each organizer's official page
EventWhenWhere and what
Winter Fes at the Botanical Gardenウィンターフェスin植物園5 and 6 December 2026Toyama Prefectural Central Botanical Garden, Toyama City. A two-day winter event with handmade goods sold from farm products and plants, craft workshops and a market. Open 9:30 to 16:30. Official page
Kansui Fireworks Symphony in Christmas Night環水花火シンフォニー in クリスマスナイトLate December (2025: 20 December)Fugan Canal Kansui Park, near the north exit of Toyama Station. Bubble performance and music fireworks held at Kansui Park. The 2025 event was on Saturday 20 December from 18:00 to 19:00. 2026 date is not yet published on the official page. Official page

Toyama before and after December

Toyama: November, December and January (JMA, 1991–2020)
MonthHighLowPrecipitationWet days
November15.7°C (+6.2°C)7.3°C (+4.8°C)224.8 mm (−56.8 mm)16.8 days (−5.0 days)
December9.5°C2.5°C281.6 mm21.8 days
January6.3°C (−3.2°C)0.2°C (−2.3°C)259.0 mm (−22.6 mm)22.2 days (+0.4 days)

Other places in December

December: Toyama against five other places (JMA, 1991–2020)
PlaceHighAgainst ToyamaWet daysAgainst Toyama
Kanazawa10.2°C+0.7°C22.6 days+0.8 days
Shirakawa-goShirakawa5.9°C−3.6°C21.2 days−0.6 days
Takayama6.2°C−3.3°C13.4 days−8.4 days
Nagano6.9°C−2.6°C8.9 days−12.9 days
Kusatsu Onsen2.9°C−6.6°C10.9 days−10.9 days

Read more

Sources for this page

  1. Normals for 1991–2020: Toyama (富山), month by month (平年値 年・月ごとの値)Japan Meteorological Agency (JMA)
  2. Normals for 1991–2020: Toyama (富山), rain days, temperature days and snow (詳細)Japan Meteorological Agency (JMA)
  3. Ten-day normals for 1991–2020: Toyama (富山) (平年値 旬ごとの値)Japan Meteorological Agency (JMA)
  4. Records for December: Toyama (富山) (観測史上1〜10位の値)Japan Meteorological Agency (JMA)
  5. Sunrise and sunset by prefectural capital (各地のこよみ)National Astronomical Observatory of Japan (NAOJ)
  6. Maple leaves turning red, 2025–2026 (かえでの紅葉日)Japan Meteorological Agency (JMA)
  7. Yearly records of flowering and leaf colour since 1953 (生物季節観測累年値)Japan Meteorological Agency (JMA)
  8. National holidays (国民の祝日について)Cabinet Office
  9. Overnight Travel Statistics Survey, 2025 final figures (宿泊旅行統計調査 2025年 年の確定値)Japan Tourism Agency
  10. Winter Fes at the Botanical Garden (ウィンターフェスin植物園)Toyama Prefectural Central Botanical Garden
  11. Kansui Fireworks Symphony in Christmas Night (環水花火シンフォニー in クリスマスナイト)Toyama Tourism Organization (Toyama Kanko Navi)