Yamanouchi Weather in January
During January, Yamanouchi experiences very low daytime temperatures of 2°C (36°F) and cooler nights around -7°C (19°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 144 mm (5.7 in) is typical.
Rainfall in Yamanouchi in January
You can expect snow/rain on around 24 days based on historical patterns, with 144 mm (5.7 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Yamanouchi in January
In January, expect very low temperatures in Yamanouchi, with highs of 2°C (36°F) and lows of -7°C (19°F) at night. January is typically considered a winter month. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. Nights drop below freezing to -7°C (19°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. Prepare for the coldest month of the year by packing warm and cozy winter cloths.
Sunshine in Yamanouchi in January
The area enjoys a balanced 128 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Yamanouchi. 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 Yamanouchi's climate page.
Yamanouchi Temperature in January
Min Temperature
-7°C (19°F)
Max Temperature
2°C (36°F)
Chance of Rain
80%
Precipitation
144 mm (5.7 in)
Rainy days
24 days
Humidity
78% *
Sunshine
128 hours *
Percentage Sunshine
*
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Yamanouchi typically stay consistent throughout January, with daily highs averaging around 2°C (36°F). Nights are very cold, with lows typically ranging from -4°C (25°F) to -2°C (28°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 Yamanouchi in January
Browse day-by-day weather records for Yamanouchi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yamanouchi historical weather extremes in January
Based on weather observations in Yamanouchi between 1976 and 2025, these are the recorded extremes during January.
- On January 22, 1988, temperatures climbed to 16°C (61°F), marking the warmest January day on record.
- On January 10, 1999, Yamanouchi saw its coldest January day with temperatures maxing out at -5°C (23°F).
- Yamanouchi registered its coldest January night on January 15, 2014, with temperatures dropping to -12°C (10°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
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tolerable
unpleasant
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What to Wear in Yamanouchi in January
We recommend to layer up for chilly conditions in Yamanouchi 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Yamanouchi 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 Yamanouchi's climate page.
Temperature Rainfall Sunshine Humidity
See the full Yamanouchi climate overview or explore weather in Japan.
