Osaka weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Fair
Best time to visit: April – June, September – November
What is the weather like in Osaka in December?
In December, Osaka is cool: daytime highs average 10 °C, and nights cool down to about 3 °C. Expect around 5 hours of sunshine a day. Rain falls on about 6 days, adding up to 59 mm. All in all, December is a so-so month for a holiday in Osaka.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 70 | 43 | 31 |
| Day | 16° | 10° | 8° |
| Night | 8° | 3° | 1° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 7 | 6 | 6 |
More details for December
- Daylight
- 9 h 51 min06:58 – 16:49
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 48 %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 %24 %
- Sunshineweight 20 %32 %
- Few rainy daysweight 30 %83 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- A jumper for the evenings
Osaka in December: quick answers
Is Osaka hot in December?
No. In December, Osaka is cool: daytime highs average 10 °C and nights drop to about 3 °C.
Does it rain much in Osaka in December?
Rain falls on about 6 days, adding up to 59 mm.
Osaka month by month
The whole year in OsakaAll destinations: JapanWhere to go in December
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