Osaka weather in January
Temperature, rain and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: April – June, September – November
What is the weather like in Osaka in January?
In January, Osaka is cold: daytime highs average 8 °C, and nights cool down to about 1 °C. Expect around 5 hours of sunshine a day. Rain falls on about 6 days, adding up to 56 mm. All in all, January is not an ideal month for a holiday in Osaka.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 43 | 31 | 35 |
| Day | 10° | 8° | 9° |
| Night | 3° | 1° | 1° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 6 | 6 | 7 |
More details for January
- Daylight
- 10 h 4 min07:05 – 17:09
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %28 %
- Few rainy daysweight 30 %86 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
Osaka in January: quick answers
Is Osaka hot in January?
No. In January, Osaka is cold: daytime highs average 8 °C and nights drop to about 1 °C.
Does it rain much in Osaka in January?
Rain falls on about 6 days, adding up to 56 mm.
Osaka month by month
The whole year in OsakaAll destinations: JapanWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences