Mount Haku Weather in January
In Mount Haku, January brings very low daytime temperatures around 2°C (36°F), with nights cooling to -7°C (19°F). This month falls within the rainy season, so expect frequent snow/rainfall.
Rainfall in Mount Haku in January
As part of the rainy season, Mount Haku sees around 28 days of rain in January, with an average of 190 mm (7.5 in). Rain falls frequently this month as part of the rainy season, but tends to be light rather than heavy.
Temperature in Mount Haku in January
In January, Mount Haku gets very low temperatures, with highs of 2°C (36°F). Nights cool to around -7°C (19°F). January is part of winter. Expect a distinctly cold feel throughout the day, not just overnight. At -7°C (19°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.
Sunshine in Mount Haku in January
The month is characterized by fewer sunny days, with roughly 64 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.January in Mount Haku 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 Mount Haku's climate page.
Mount Haku Temperature in January
Min Temperature
-7°C (19°F)
Max Temperature
2°C (36°F)
Chance of Rain
93%
Precipitation
190 mm (7.5 in)
Rainy days
28 days
Humidity
83% *
Sunshine
64 hours *
Percentage Sunshine
*
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Mount Haku typically stay consistent throughout January, with daily highs averaging around 2°C (36°F). Nights are very cold, with lows typically ranging from -1°C (30°F) to 1°C (34°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Mount Haku in January
Browse day-by-day weather records for Mount Haku spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mount Haku historical weather extremes in January
Based on 49 years of weather observations in Mount Haku between 1976 and 2025, these are the recorded extremes.
- The warmest day in January was on January 10, 1990, with a maximum of 18°C (64°F).
- On January 25, 2023, Mount Haku saw its coldest January day with temperatures maxing out at -2°C (28°F).
- Mount Haku registered its coldest January night on January 19, 1985, with temperatures dropping to -10°C (14°F).
Best Places in Japan in January
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Mount Haku in January
We recommend to layer up for chilly conditions in Mount Haku in January. 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. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Mount Haku in January
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 Mount Haku's climate page.
Temperature Rainfall Sunshine Humidity
See the full Mount Haku climate overview or explore weather in Japan.
