December · Japan
Best time to visit Osaka in December Weather, crowds & prices
Weather in Osaka in December
Average temperature 5°C, 24 mm of rain, about 1 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.2/10
Ranked #1 of 12 months
- Avg temp
- 5°C
- Rainfall
- 24 mm
- Humidity
- 82%
- Days with 6h+ sun
- 1
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Osaka scores 6.2/10 for sightseeing and cultural travel - the single best month of the year. Expect around 5°C, 24 mm of rain, and roughly 1 days with 6+ hours of sunshine this month.
Street-food neon, castle grounds, and canal nights peak from May through September.
December in Osaka tops the year's climate scores
Expect 5°C (41°F) in December. A good month for city streets, viewpoints and long meals; leave swimming for another season.
With around 24 mm of rain, any showers tend to pass through rather than settle in; about 1 days with 6+ hours of sunshine and 9.7 hours of daylight fill the rest.
On our climate-comfort scale this is the top-ranked month of the year for Osaka at 6.2/10 — the reference point every other month on this page is measured against.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Osaka in December?
- In December, Osaka averages 5°C, 24 mm of rain, and about 1 days with 6+ hours of sunshine. Its climate-comfort score is 6.2/10.
- Is December a good time to visit Osaka?
- December earns a 6.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Osaka in December?
- Expect about 24 mm of rain in December. Average humidity is 82% and there are about 1 days with 6+ hours of sunshine.
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