Okinawa islands

Okinawa islands Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in the Okinawa islands, Japan in January.

Planning a getaway to the Okinawa islands, Japan this January and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in the Okinawa islands in January

The Okinawa islands, Japan is a region in Japan. January in the Okinawa islands generally has pleasant temperatures, with precipitation levels ranging from high to heavy. January is a winter month.

Temperatures

You can expect pleasant maximum daytime temperatures of around 21°C (70°F) and nighttime temperatures around 17°C (63°F) in Naha. Even if January is considered the coolest month, there are areas in the Okinawa islands, Japan that maintain moderate temperatures, making it a pleasant destination all year round.

To learn more about the conditions in specific areas of the Okinawa islands, Japan, check out the map below.

Precipitation

In January, precipitation varies across different areas. From high rainfall in Uruma with an average of 113 mm (4.4 in) to heavy rainfall in Yonaguni with 216 mm (8.5 in).

Average sunshine

Sunshine is more restricted in many locations in January. Naha sees roughly 94 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

Explore the Okinawa islands by month

Pick a month to see the average temperature, rainfall and sunshine in the Okinawa islands — and find the best time to visit. (based on Naha)

Best Places to Visit in the Okinawa islands in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Okinawa islands.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Okinawa islands

What is the weather like in January for some of the most popular destinations in the Okinawa islands, Japan?

Temperature range in the Okinawa islands (January)

Precipitation variation in the Okinawa islands (January)

Naha

In January Naha generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
22°C (72°F)
21°C (70°F)
21°C (70°F)
Min temperature
19°C (66°F)
17°C (63°F)
17°C (63°F)
Monthly sun hours
116 hours
94 hours
88 hours
Monthly rainfall
122 mm (4.8 in)
114 mm (4.5 in)
113 mm (4.4 in)
Monthly rainy days
21 days
24 days
22 days
Weather conditions

Ishigaki Island

In January Ishigaki Island generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
24°C (75°F)
22°C (72°F)
22°C (72°F)
Min temperature
20°C (68°F)
19°C (66°F)
19°C (66°F)
Monthly sun hours
88 hours
83 hours
92 hours
Monthly rainfall
160 mm (6.3 in)
165 mm (6.5 in)
135 mm (5.3 in)
Monthly rainy days
24 days
24 days
22 days
Weather conditions

Miyako Island

In January Miyako Island generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 18°C (64°F) and high monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
23°C (73°F)
22°C (72°F)
22°C (72°F)
Min temperature
20°C (68°F)
18°C (64°F)
19°C (66°F)
Monthly sun hours
91 hours
87 hours
92 hours
Monthly rainfall
140 mm (5.5 in)
140 mm (5.5 in)
125 mm (4.9 in)
Monthly rainy days
24 days
25 days
23 days
Weather conditions

Yonaguni

In January Yonaguni generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

December
January
February
Max temperature
23°C (73°F)
22°C (72°F)
22°C (72°F)
Min temperature
20°C (68°F)
18°C (64°F)
19°C (66°F)
Monthly rainfall
210 mm (8.3 in)
216 mm (8.5 in)
191 mm (7.5 in)
Monthly rainy days
20 days
21 days
20 days
Weather conditions

Onna

In January Onna generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
22°C (72°F)
20°C (68°F)
20°C (68°F)
Min temperature
19°C (66°F)
17°C (63°F)
17°C (63°F)
Monthly sun hours
116 hours
94 hours
88 hours
Monthly rainfall
118 mm (4.6 in)
113 mm (4.4 in)
114 mm (4.5 in)
Monthly rainy days
20 days
23 days
21 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in the Okinawa islands, in Japan.

In our records: Japan January extremes

Notable January records observed across cities in Japan in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in Japan was -15°C (5°F) in Mount Fuji on January 18, 2004.

Popular cities in January

Day & night temperatures, rainfall and average weather in the Okinawa islands in January.

City Weather Day temp Night temp Rainfall
Naha 21°C (70°F) 17°C (63°F) 114 mm (4.5 in)
Ishigaki Island 22°C (72°F) 19°C (66°F) 165 mm (6.5 in)
Miyako Island 22°C (72°F) 18°C (64°F) 140 mm (5.5 in)
Yonaguni 22°C (72°F) 18°C (64°F) 216 mm (8.5 in)
Onna 20°C (68°F) 17°C (63°F) 113 mm (4.4 in)
Motobu 20°C (68°F) 17°C (63°F) 115 mm (4.5 in)

The Okinawa islands weather in January: frequently asked questions

What is the weather like in the Okinawa islands, Japan in January?

the Okinawa islands, Japan typically experiences pleasant weather in January, part of the winter season. Daytime highs in Naha average around 21°C (70°F), and temperatures drop to about 17°C (63°F) at night.

What is the average temperature in the Okinawa islands, Japan in January?

Daytime temperatures in Naha peak at roughly 21°C (70°F) in January, dropping to about 17°C (63°F) overnight.

Does the Okinawa islands, Japan get a lot of rain in January?

Yes, January tends to be a wetter month in the Okinawa islands, Japan. Average rainfall in Naha sits around 114 mm (4.5 in).

Is January a Good Time to Visit the Okinawa islands, Japan?

We believe that January is one of the best times to visit the Okinawa islands, Japan with overall pleasant weather in Naha. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, January, February, March, April, October, November and December provide pleasant weather in Naha. On the other hand, the weather in August tends to be poor.

Interested in more climate information?

We have much more information about the climate in the Okinawa islands.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed 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.

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