Weather in Osaka in December
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for December in Osaka.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youOsaka in December is cool — daytime temperatures average 11.6°C, dropping to 2.9°C at night. The month is moderately rainy (6 rainy days), with roughly 8.1 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Osaka — every month compared. Once you know when to go, find your Osaka packing list at 247PackingList.
Get ready for Osaka in December
Search flights to Osaka
Compare 100+ airlines for December — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Osaka in December
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
Compare all months in Osaka
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 9.3°C | 55.7mm | 10/10 |
| February | 10.2°C | 56.9mm | 10/10 |
| March | 15.0°C | 118.6mm | 9/10 |
| April | 18.4°C | 164.6mm | 9/10 |
| May | 22.8°C | 203.8mm | 8/10 |
| June | 26.7°C | 216.3mm | 8/10 |
| July | 30.4°C | 281.2mm | 8/10 |
| August | 32.5°C | 187.8mm | 9/10 |
| September | 29.6°C | 215.1mm | 8/10 |
| October | 22.6°C | 157.9mm | 9/10 |
| November | 17.7°C | 90.7mm | 10/10 |
| December | 11.6°C | 47.3mm | 10/10 |
Full month-by-month guide: best time to visit Osaka →
For facts about Japan — currency, language and dialling code — see our Japan country guide at 247CountryInfo. Travellers also find it useful to keep a Osaka travel guide to hand. Check clothing sizes in Japan before you shop.
Frequently Asked Questions
Is December a good time to visit Osaka?
December rates 10/10 for visiting Osaka — excellent time to visit. Expect average highs of 11.6°C, 47.3mm of rain across the month and about 8.1 hours of daily sunshine.
What is the temperature in Osaka in December?
In December, Osaka has average highs of 11.6°C (52.9°F) and average lows of 2.9°C (37.2°F).
Does it rain in Osaka in December?
Not much. December averages just 47.3mm of rain in Osaka — the odd shower is possible but most days stay dry.
What should I wear in Osaka in December?
For Osaka in December (11.6°C highs / 2.9°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes.
More essentials for Osaka in December
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.