Onna weather in December (Okinawa islands, Japan)

What does the weather outlook for Onna look like in December? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

In December, Onna typically experiences high temperatures and high rainfall. Expect daytime highs to reach approximately 22°C, with nighttime lows dipping to around 19°C.

Precipitation

Onna in December usually receives high rainfall, averaging around 118 mm for the month. You can typically expect 20 days days of rain this month, based on climate records.

Average sunshine

The month experiences a moderate amount of sunlight, with 116 hours hours. A nice balance between sunshine and clouds.

If you're inclined towards comfortable temperatures and drier conditions, December is a prime time to visit Onna. January, February, March, April, October, November and December typically offer the best circumstances. While May, June and August tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Onna climate page with graphs.

 

Onna, monthly averages in December

Min Temperature 19°C  

Max Temperature 22°C  

Chance of Rain 66%  

Precipitation 118 mm  

Rainy days 20 days  

Humidity 66% *  

Sunshine 116 hours *  

Percentage Sunshine *  

Data from: Naha, Japan (36 KM, 22 Miles).

Where to go in Japan in December

Find out more about the weather in Japan and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Onna, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Onna.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find historical weather averages for many cities in Japan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.