Osaka weather

Our guide to the weather in Osaka during December

10

Average high

2

UV Index

84mm

Monthly rainfall

16

Sea temperature

We've looked at the most up-to-date weather data for Osaka, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Osaka weather in December.

What's the temperature like in Osaka during December?

The temperature reaches around 10℃ during the daytime in December, falling away to 4℃ at night. The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.

Does it snow in Osaka during December?

Possibly. There's a chance of snow during December but not as much as you might think. Check the local forecast before you leave home so that you can pack appropriate footwear and clothing.

Does it rain in Osaka during December?

December is typically the driest month in Osaka. On average, there will be 7 rainy days during the month, amounting to 83.9mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. You're not likely to see a thunderstorm during your trip.

Is it windy in Osaka during December?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in December. With cool air temperatures, any breeze will feel cold.

How warm is the sea in Osaka during December?

The water around Osaka is a bracing 16℃ during December and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.

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Weather in Osaka

Our month-by-month guide to the weather and climate in Osaka

8.0

Osaka weather in

January
9.4

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February
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March
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April
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May
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June
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July
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August
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September
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October
17.1

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November
10.4

Osaka weather in

December