Onna weather in December (Okinawa, Japan)

Looking to travel to Onna in December? This guide provides all the details you need.

In December, Onna typically experiences high temperatures and high rainfall. Anticipate daytime temperatures around 22°C, while night temperatures can drop to 19°C.

Onna in December usually receives high rainfall, averaging around 118 mm for the month. Rain is expected on roughly 20 days.

The area enjoys a balanced 116 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

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 in December and which places have the best weather 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 Onna in December?

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 in December.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.