Yamanakako Weather in January
January in Yamanakako brings low temperatures around 7°C (45°F) during the day, dropping to -3°C (27°F) at night, with quite a bit of snow/rainfall expected, averaging around 93 mm (3.7 in) for the month.
Rainfall in Yamanakako in January
Typically around 12 days of snow/rainfall are expected, averaging 93 mm (3.7 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Yamanakako in January
January in Yamanakako sees highs of 7°C (45°F) and lows of -3°C (27°F) overnight. January is in the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At -3°C (27°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. On average, it is the coldest month of the year. So be prepared and make sure to pack winter clothes.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Yamanakako. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Yamanakako's climate page.
Yamanakako Temperature in January
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Yamanakako typically stay consistent throughout January, with daily highs averaging around 7°C (45°F). Nights are very cold, with lows typically ranging from -8°C (18°F) to -5°C (23°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 Yamanakako in January
Browse day-by-day weather records for Yamanakako spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yamanakako historical weather extremes in January
According to our 49 years of weather records for Yamanakako, the following extremes were recorded between 1976 and 2025.
- The warmest day in January was on January 15, 1978, with a maximum of 18°C (64°F).
- Yamanakako experienced its chilliest January day on January 17, 2004, reaching only -7°C (19°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 →
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What to Wear in Yamanakako in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Yamanakako 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 Yamanakako's climate page.
See the full Yamanakako climate overview or explore weather in Japan.