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Osaka in December: Weather, Average temperature and Climate

Discover the weather for Osaka in December and if it’s a good time to travel (based on historical data).
Check flight prices to Osaka on Avionero:
December

Weather in Osaka in December 2024

OK Weather
Chill
☁️
Cloudy
If you plan to visit Osaka in December, the weather is typically alright, with an average high temperature of +48°F during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 11 rainy days in the month and around 50 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+48°F
Avg. max. temperature
+18°F
Min.
+68°F
Max.
50 mm
Total precipitation
73%
Avg. humidity
2 m/s
Avg. wind
4 ☀️
Sunny Days
15 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Osaka has OK weather in December.

Average temperature in Osaka in December

Here are the expected maximum, average and minimum temperatures in Osaka for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +64°F during the day to a minimum of +23°F during the night, the temperature in December averages around +52°F.

The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +50°F to +54°F.

Is Osaka warm or cold in December?

Osaka is typically chill in December.

Maximum temperatures go down compared to the previous month from +59°F to +48°F. The minimum temperature also goes down from +43°F to +34°F.

Pack a jumper and a jacket as there will be cooler temperatures.

December is one of the coolest months in Osaka, here is the comparison with other months:

Climate in Osaka in December

Osaka weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+59°F+48°F+43°F
Min. temperature
+25°F+18°F+12°F
Max. temperature
+77°F+68°F+59°F
Rainfall
77 mm50 mm45 mm
Wind
1 m/s2 m/s2 m/s
Humidity
74%73%72%
Air pressure
1019 HPa1020 HPa1019 HPa
Sunny days
642
Cloudy days
131515
Rainy days
111110
Snowy days
014

December weather is still as ok as in November. It’s getting colder in December. From +59°F in the day, the average maximum temperature lowers to +48°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 77 mm to 50 mm. It feels drier, as humidity decreases from 74% to 73%. Winds are stronger in comparison to November, going up from 1 m/s to 2 m/s on average. The days becoming less sunny, going from 6 sunny days in November to 4 in December.

January brings much the same weather, it remains ok.

Wind

Wind speed in Osaka in December based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Osaka is gradually increasing during December, going from 2 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Osaka based on historical data.
Last Year
Historical Data
Typically, there is a 23% chance of rain on an average day in December, with total rainfall of approximately 34 mm. The maximum amount of rainfall per day is around 18 mm, which is considered light rain. On average, there are about 7 rainy days during December, so prepare to bring an umbrella.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Osaka wettest month is July, where a typical day has a 77% chance of precipitation and 222 mm of rainfall per day. January, on the other hand, is the driest month with a mere 32% chance of precipitation and 45 mm of rainfall per day.

Snow

Amount of snow in mm during December in Osaka based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in December is 0%, for a monthly total of around 0 mm.

Here’s how December is compared with other months in the amount of snow, total mm:

How was the weather last December in Osaka?

This is the weather in Osaka in December 2023:
1 December
☀️
+49°F
2 December
☀️
+49°F
3 December
☀️
+50°F
4 December
☀️
+53°F
5 December
🌧️
+47°F
6 December
☁️
+57°F
7 December
☀️
+56°F
8 December
☀️
+56°F
9 December
☁️
+62°F
10 December
☁️
+65°F
11 December
🌧️
+56°F
12 December
☁️
+56°F
13 December
☀️
+53°F
14 December
☁️
+56°F
15 December
☁️
+64°F
16 December
☁️
+59°F
17 December
☁️
+40°F
18 December
☁️
+42°F
19 December
☁️
+44°F
20 December
☀️
+46°F
21 December
☀️
+39°F
22 December
☀️
+39°F
23 December
☁️
+41°F
24 December
☀️
+46°F
25 December
☀️
+48°F
26 December
☁️
+48°F
27 December
☁️
+50°F
28 December
☀️
+53°F
29 December
☁️
+52°F
30 December
☁️
+52°F
31 December
🌧️
+54°F
In December 2023 Osaka had 13 sunny days, 15 cloudy days, and 3 rainy days. The average maximum temperature was +52°F, with an absolute maximum of +64°F and a minimum of +39°F. The average humidity was 75%, with a maximum of 100% and a minimum of 35%. The average wind speed was 2 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change Over the Years

This is how Osaka climate has changed over the last 43 years.

The climate in Osaka in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+62°F) and the highest in 2023 (+67°F). The driest year was 1994 with only 846 mm of rainfall, and the wettest year was 1993 with 1901 mm.

FAQ

Frequently asked questions about the weather in Osaka in December:

Is December a good time to visit Osaka?

It’s always a good time to visit Osaka, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Osaka in December?

Not really, December is not the best time to sunbathe, unless you visit a local solarium.

Is Osaka rainy in December?

Osaka is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Osaka in December?

Usually, it’s not very sunny in Osaka in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Japan

Check out the weather for other cities in Japan.

Monthly weather in Osaka

Source of the data

For this page, we’ve looked at the typical weather in Osaka, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.