Hottest (avg)
#10 / 12
Osaka in December
December weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 10h
What to expect
December marks a typically cool period of winter, where temperatures are dropping quickly. Thermometers typically reach 11°C / 51°F, with evenings cooling to 3°C / 38°F.
You can expect a mix of sun and cloud, with about 8 days seeing some rain.
December in context
How it compares to the rest of the year in Osaka.
Wettest (avg)
#2 / 12
Daylight Hours
#12 / 12
Windiest (avg)
#5 / 12
Highest UV
#12 / 12
Most Humid
#6 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 9.9 hours
- UV index (max)
- 4
- Typical sun hours
- 06:56 – 16:49
Rain & Snow
- Total
-
- Rainy days
- 8
- Cloud cover
- 48%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 75%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is December a good time to visit Osaka?
Typical December days in Osaka reach highs of 11°C (52°F) with nights around 3°C (37°F). It usually feels cool by day and cold after dark. It is one of the drier months, which suits outdoor exploring and sightseeing.
What are temperatures like in December?
In December, you can usually expect highs of 11°C (52°F) and lows near 3°C (37°F). That means cool days and cold nights, so pack layers you can add or remove.
How much does it rain in December?
Rainfall in December averages 59 mm (2.3 in) across roughly 8 days. Overall it is a moderately wet time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in December?
You can expect about 10 hours of daylight in December. Sunrise is typically around 06:56 and sunset near 16:49. Days are on the shorter side, so plan activities around limited daylight.
Does the weather change during December?
December usually begins milder and cools down as the month goes on, so late-December can feel more like the next month.
How strong is the sun in December?
UV levels are moderate (around 4); sunscreen and sunglasses are still a good idea.
Is it windy in December?
In December, average wind speeds are around 10 km/h (6 mph), with gusts on the windiest days reaching about 52 km/h (32 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.