Mount Fuji in January: weather, what to wear and what's on
Kawaguchiko is the lake town at the northern foot of Mount Fuji, and the JMA's station there stands 860 m above sea level. In January, Kawaguchiko averages a high of 5.5°C (42°F) and a low of −5.7°C (22°F), with 60.9 mm of rain or snow on about 4.9 days (JMA, 1991–2020). It is Kawaguchiko's coldest month. Snow lies on the ground on 13.0 days, and the deepest snow averages 25 cm.
Cold
Mount Fuji weather in January
Averages for 1991–2020 at the JMA's Kawaguchiko station (860 m above sea level).
- High
- 5.5°C (42°F)
- Low
- −5.7°C (22°F)
- Precipitation
- 60.9 mm
- Wet days
- 4.9 days
- Sunshine
- 212 hours
- Snow on ground
- 13.0 days
Highs are 3.0°C below December and 1.1°C below February.
That is 11.3°C below Kawaguchiko's yearly average high of 16.8°C.
Of our 14 places with temperature records, Kawaguchiko is the 4th coldest in January: 0.4°C cooler than Nikko and 2.3°C warmer than Takayama.
January is Kawaguchiko's 3rd driest month (60.9 mm).
Of our 15 places, Kawaguchiko has the 8th highest precipitation in January: 13.5 mm less than Fukuoka and 1.2 mm more than Tokyo.
Rain or snow of 1 mm or more falls on 4.9 days, and 10 mm or more on 1.8 days.
Rain or snow of 30 mm or more in one day falls on 0.5 days.
The temperature drops below 0°C on 29.9 nights.
On 1.0 days it stays below 0°C all day.
37 cm of snow falls in an average January; snow lies on the ground on 13.0 days.
The sun is out for 40% or more of the possible hours on 24.9 days, and 2.4 days have under 0.1 hours of sunshine.
On the summit of Mt Fuji (3,775 m), the average high is −15.3°C (4°F) and the low −21.4°C (−7°F).
- Average temperature
- −0.4°C (31°F)
- Humidity
- 62%
- Deepest snow (average of each year's deepest)
- 25 cm
Early, mid and late January
| Days | High | Low | Precipitation |
|---|---|---|---|
| 1–10 January | 6.4°C | −5.1°C | 13.9 mm |
| 11–20 January | 5.3°C | −5.6°C | 20.0 mm |
| 21–31 January | 4.9°C | −6.2°C | 27.0 mm |
By the last ten days of January the average high in Kawaguchiko is 1.5°C lower than in the first ten.
By ten-day totals, 21–31 January is the wettest (27.0 mm) and 1–10 January the driest (13.9 mm).

What to wear at Mount Fuji in January
Cold: highs around 5.5°C
This is for Kawaguchiko (860 m above sea level).
- A winter coat over layers, and a scarf.
- Gloves and a hat for mornings and nights: the temperature drops below 0°C on 29.9 nights.
- A waterproof jacket with a hood: rain or snow falls on 4.9 days.
Shoes
- Waterproof boots with good grip: snow lies on the ground on 13.0 days (deepest 25 cm on average).
Pack
- Waterproof jacket with a hood
- Gloves and a warm hat
- Scarf
- Waterproof boots with grip
January records at Mount Fuji
The extremes the JMA has measured in January at its Kawaguchiko station.
- Hottest January day
- 19.5°C (67°F) on 27 January 1969 (records since 1933)
- Coldest January night
- −22.1°C (−8°F) on 31 January 1936 (records since 1933)
- Wettest January day
- 90.0 mm on 15 January 1998 (records since 1933)
- Deepest January snow
- 89 cm on 15 January 1998 (records since 1933)
- Most snow in one January day
- 66 cm on 27 January 2001 (records since 1953)
Holidays and crowds in January
National holidays in January 2027:
- Fri 1 January — New Year's Day
- Mon 11 January — Coming of Age Day
- Fri 1 January to Sun 3 January: 3 days off in a row
- Sat 9 January to Mon 11 January: 3 days off in a row
In January 2025, hotels and inns across Yamanashi Prefecture were 33.0% full on average (the quietest month of the year). Foreign guests spent 223,060 nights there that month (Japan Tourism Agency). That compares with 37.7% in December and 37.5% in February.
What's on at Mount Fuji in January
| Event | When | Where and what |
|---|---|---|
| Kawaguchiko Winter Fireworks河口湖・冬花火 | Weekend evenings from late January to late February (24 January to 23 February in 2026, 11 launches), 20:00 to 20:20 | Oike Park (main venue), Tatami-iwa and Yagizaki Park, Lake Kawaguchi. Fireworks are launched from three spots on Lake Kawaguchi with winter Mt Fuji in the background, on Saturdays and Sundays plus 23 February (11 launches in 2026). Food trucks are present at the main venue at Oike Park each time. Free to watch, with free parking. May be cancelled if a forest fire warning is issued. Official page |
Mount Fuji before and after January
Other places in January
| Place | High | Against Kawaguchiko | Wet days | Against Kawaguchiko |
|---|---|---|---|---|
| Tokyo | 9.8°C | +4.3°C | 4.5 days | −0.4 days |
| Kyoto | 9.1°C | +3.6°C | 6.4 days | +1.5 days |
| Osaka | 9.7°C | +4.2°C | 5.6 days | +0.7 days |
| Sapporo | −0.4°C | −5.9°C | 18.3 days | +13.4 days |
| OkinawaNaha | 19.8°C | +14.3°C | 10.2 days | +5.3 days |
Frequently asked questions
What is the weather like at Mount Fuji in January?
The average high is 5.5°C (42°F) and the average low −5.7°C (22°F). 60.9 mm of rain or snow falls on about 4.9 days (JMA, 1991–2020).
What should I wear at Mount Fuji in January?
A winter coat over layers, and a scarf. Gloves and a hat for mornings and nights: the temperature drops below 0°C on 29.9 nights. A waterproof jacket with a hood: rain or snow falls on 4.9 days.
Does it snow at Mount Fuji in January?
Yes. 37 cm of snow falls in an average January, and snow lies on the ground on 13.0 days (JMA, 1991–2020).
Is Mount Fuji busy in January?
In January 2025, hotels and inns across Yamanashi Prefecture were 33.0% full on average (the quietest month of the year). Foreign guests spent 223,060 nights there that month (Japan Tourism Agency).
What are the record temperatures for January at Mount Fuji?
The highest temperature the JMA has recorded in Kawaguchiko in January is 19.5°C (67°F), on 27 January 1969. The lowest is −22.1°C (−8°F), on 31 January 1936.
What events are on at Mount Fuji in January?
Kawaguchiko Winter Fireworks: Weekend evenings from late January to late February (24 January to 23 February in 2026, 11 launches), 20:00 to 20:20.
Related items
Sources for this page
- Japan Meteorological Agency (JMA) Normals for 1991–2020: Kawaguchiko (河口湖), month by month (平年値 年・月ごとの値)checked October 2, 2026
- Japan Meteorological Agency (JMA) Normals for 1991–2020: Kawaguchiko (河口湖), rain days, temperature days and snow (詳細)checked October 2, 2026
- Japan Meteorological Agency (JMA) Normals for 1991–2020: Mt Fuji summit (富士山), month by month (平年値 年・月ごとの値)checked October 2, 2026
- Japan Meteorological Agency (JMA) Ten-day normals for 1991–2020: Kawaguchiko (河口湖) (平年値 旬ごとの値)checked October 2, 2026
- Japan Meteorological Agency (JMA) Records for January: Kawaguchiko (河口湖) (観測史上1〜10位の値)checked October 2, 2026
- Cabinet Office National holidays (国民の祝日について)checked October 2, 2026
- Japan Tourism Agency Overnight Travel Statistics Survey, 2025 final figures (宿泊旅行統計調査 2025年 年の確定値)checked October 2, 2026
- Kawaguchiko Winter Fireworks Executive Committee (Yamanashi Tourism Organization) Kawaguchiko Winter Fireworks (河口湖・冬花火)checked October 2, 2026
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Compiled by Japan Japan !! · Updated October 2, 2026