Onna weather in January (Okinawa islands, Japan)

How does the weather in Onna usually fare in January? Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

Typically, January in Onna includes pleasant temperatures and high rainfall. Winter occurs in January. Daytime temperatures generally settle around 20°C, while nighttime can see a dip to about 17°C. While this month has some of the cooler temperatures of the year, it's far from cold and remains pleasant.

Precipitation

Onna in January usually receives high rainfall, averaging around 113 mm for the month. Expect around 23 days of rain based on historical data.

Average sunshine

The city usually sees around 94 hours of sunlight, indicating fewer sunny days.

If you favor pleasant temperatures and minimal rainfall, January is one of the better months to visit Onna. January, February, March, April, October, November and December typically offer the most agreeable circumstances. On the other hand, May, June and August tend to be characterized by conditions that may not be as optimal.

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

 

Onna, monthly averages in January

Min Temperature 17°C  

Max Temperature 20°C  

Chance of Rain 76%  

Precipitation 113 mm  

Rainy days 23 days  

Humidity 67% *  

Sunshine 94 hours *  

Percentage Sunshine *  

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

Where to go in Japan in January

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

4/10

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.