Osaka December weather
Osaka, Japan · December
Cold air and festive mood as winter begins
December marks the real start of winter in Osaka. Mornings and nights can approach 0°C, and even daytime temperatures hover around 10°C, so a proper coat is necessary.
Snow is still rare in the city, but Christmas and year-end illuminations make the city feel bright and festive, perfectly matching the crisp air.
December averages at a glance
Average low
around 4°C
Average high
around 12°C
Average rainfall
around 57 mm
Rainy days
about 5 days
What to wear in December in Osaka
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Thermal or inner wear + knit or sweatshirt + thick coat or light padded jacket is recommended.
- • If you want to dress up for year-end photos, layer sufficiently underneath and finish with a stylish coat to balance warmth and style.
- • Covering ears, neck, and hands dramatically reduces perceived cold, so pack at least one or two of: beanie, scarf, or gloves.
Travel tips for visiting Osaka in December
- • During Christmas and year-end, USJ and major illumination spots are especially popular, so reserve evenings or allow extra time for queues.
- • Because sunset is around 5 pm, build your post-sunset schedule around illuminations and night views.
- • It is also sale season, so leaving extra suitcase space for shopping can be a smart move.
December weather in Osaka — FAQ
Q. Is December in Osaka much warmer than winter in Korea?
A. It is definitely milder than Korea’s coldest months, but wind and weaker heating can make it feel closer than you might expect. If you pack for “one step milder than Seoul winter,” you will be comfortable in most situations.
Q. Can I expect a white Christmas in Osaka?
A. Snow that actually accumulates is very rare in central Osaka, so a true white Christmas is unlikely. Instead, enjoy the festive decorations, lights, and events for end-of-year atmosphere.
Q. Is December a good time for hot springs near Osaka?
A. Yes. Cold air combined with hot spring baths is especially appealing in winter. Consider side trips to nearby onsen towns or combine Osaka with Kyoto or Kobe for a relaxing winter itinerary.
Authored by Jiheon Bang
Updated: 2025-12-01
Reviewed using Visual Crossing Weather data and reorganized from a traveler’s perspective.
Weather data is designed to be refreshed roughly every 10 minutes.