Osaka Weather in January
January in Osaka sees daytime temperatures around 10°C (50°F) and lows of 2°C (36°F) at night. As the driest month of the year.
Rainfall in Osaka in January
Conditions tend to be dry and settled, making it a good month for outdoor plans, even if you'll want to dress for the cooler temperatures. Historically, January sees about 18 days of rain, with a monthly average of 64 mm (2.5 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Osaka in January
Daytime temperatures in Osaka reach 10°C (50°F) in January, dropping to 2°C (36°F) at night. Experience the winter season in January. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. With moderate temperatures, January stands out as the chilliest month of the year.
Sunshine in Osaka in January
The area enjoys a moderate level of sunlight, with around 142 hours. It's a good balance between sunny and cloudy days.January in Osaka can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options 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 Osaka's climate page.
Osaka Temperature in January
Min Temperature
2°C (36°F)
Max Temperature
10°C (50°F)
Chance of Rain
60%
Precipitation
64 mm (2.5 in)
Rainy days
18 days
Humidity
61%
Sunshine
142 hours
Percentage Sunshine
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Osaka typically stay consistent throughout January, with daily highs averaging around 10°C (50°F). Nights are cold, with lows around 2°C (36°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 Osaka in January
Browse day-by-day weather records for Osaka spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Osaka historical weather extremes in January
The extremes listed below come from historical weather data collected in Osaka from 1976 through 2025.
- The warmest day in January was on January 26, 2021, with a maximum of 18°C (64°F).
- On January 10, 1999, Osaka saw its coldest January day with temperatures maxing out at 2°C (36°F).
- Osaka registered its coldest January night on January 31, 1982, with temperatures dropping to -5°C (23°F).
- The wettest January day on record brought 41 mm (1.6 in) of precipitation to Osaka (January 29, 2016).
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 Osaka in January
Pack for changing conditions in Osaka in January. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Osaka 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 Osaka's climate page.
Temperature Rainfall Sunshine Humidity
See the full Osaka climate overview or explore weather in Japan.
