🧳 Packing guide
What to wear in Osaka in December
For what to wear in Osaka in December, warm layers and a proper jacket or coat are useful, especially after sunset. Heavy rain gear is usually unnecessary, although a small umbrella is an easy backup.
Travel takeaway: The month can be a practical time to visit when your packing matches the daytime-to-evening temperature change.
🗓️ Travel timing at a glance
Osaka: 12-month travel weather
Osaka has four distinct seasons, a wetter early-summer period and hot, humid midsummer weather. Typhoon impacts are possible in late summer.
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Osaka 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
⚠️ Busy / closure periodDecember related
New Year holiday period
📅 Late December–early January
Some shops close for several days or reduce opening hours, while transport and accommodation demand can rise.
Check official source →🎊 Featured event
Tenjin Matsuri
📅 Jul 24–25 each year
One of Osaka’s signature summer festivals, with traditional processions, a boat procession on the Okawa River and evening fireworks.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Osaka Weather in December
2016–2025 · 10 complete years averaged · °F
Osaka in December · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ December 2025 · latest complete year☔ 7 days · 58.7 mm
14
🌧️
12.7°C/7.3°C
🌧️ 14.4 mm
21
🌧️
13.9°C/8.8°C
🌧️ 14.3 mm
24
🌧️
12.7°C/8.5°C
🌧️ 10.9 mm
25
🌦️
12.5°C/7.6°C
🌧️ 6.6 mm
30
🌦️
13.6°C/5.6°C
🌧️ 1.2 mm
December 2024☔ 2 days · 4.1 mm
December 2023☔ 9 days · 38.4 mm
12
🌧️
17.9°C/10.7°C
🌧️ 10.3 mm
14
🌦️
14.9°C/2.2°C
🌧️ 1.7 mm
15
🌧️
21.6°C/10.4°C
🌧️ 9.7 mm
16
🌦️
20.2°C/10.4°C
🌧️ 3.2 mm
31
🌦️
14.2°C/7.2°C
🌧️ 2.4 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
✈️ Traveling soon?
Current Osaka weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Osaka weather in other months
Switch months to compare the seasonal pattern.