Otari Weather in January
January in Otari sees daytime temperatures around 1°C (34°F) and lows of -6°C (21°F) at night. Being part of the rainy season, heavy snow/rainfall is a regular part of the day, so pack accordingly.
Rainfall in Otari in January
Otari is in the rainy season in January, with rain on around 26 days and an average of 243 mm (9.6 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Otari in January
If you're visiting Otari in January, expect highs of 1°C (34°F) and overnight lows around -6°C (21°F). January is typically considered a winter month. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -6°C (21°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. The coldest month of the year calls for plenty of warm layers. Be sure to pack your winter gear.
Sunshine in Otari in January
The area sees fewer sunny days, with a projection of about 80 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.To explore more travel options, our weather planner can help you discover destinations worldwide.
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 Otari's climate page.
Otari Temperature in January
Min Temperature
-6°C (21°F)
Max Temperature
1°C (34°F)
Chance of Rain
86%
Precipitation
243 mm (9.6 in)
Rainy days
26 days
Sunshine
80 hours *
Percentage Sunshine
*
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Otari typically stay consistent throughout January, with daily highs averaging around 1°C (34°F). Nights are very cold, with lows typically ranging from -3°C (27°F) to -1°C (30°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 Otari in January
Browse day-by-day weather records for Otari spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Otari historical weather extremes in January
Our historical data for Otari spans 1976 to 2025, revealing these weather extremes.
- Otari recorded its highest January temperature of 16°C (61°F) on January 22, 1988.
- On January 25, 2023, Otari saw its coldest January day with temperatures maxing out at -4°C (25°F).
- Nighttime temperatures dropped to -12°C (10°F) on January 8, 2021, marking the coldest January night on record.
- Peak precipitation in January occurred on January 11, 2005, when 59 mm (2.3 in) of precipitation was measured.
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 Otari in January
Dress warmly and in layers for your trip to Otari in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Otari 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 Otari's climate page.
See the full Otari climate overview or explore weather in Japan.
