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Okinawa in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Okinawa in January will be like? Take a look at our weather guide for Okinawa, based on historical data.
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January

Weather in Okinawa in January 2025

Good Weather
Mild
🌧️
Rainy
Are you considering a trip to Okinawa in January? Well, the weather is usually on your side with an average maximum temperature of +66°F and about 1 sunny days. Just keep in mind that there may be some rain, with an average of 18 rainy days and 119 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Okinawa;
  • January is usually the driest month of the year in Okinawa

Average weather

☀️
+66°F
Avg. max. temperature
+43°F
Min.
+79°F
Max.
119 mm
Total precipitation
69%
Avg. humidity
4 m/s
Avg. wind
1 ☀️
Sunny Days
11 ⛅️
Cloudy
18 🌦
Rainy
Our opinion: Okinawa has good weather in January.

Average temperature in Okinawa in January

Here are the expected maximum, average and minimum temperatures in Okinawa for January based on the historical data.
Last Year
Historical Data

The temperature in January is +66°F on average, with a range between a maximum of +77°F during the day and a minimum of +46°F at night.

The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +66°F to +64°F.

Is Okinawa warm or cold in January?

Okinawa is typically mild in January.

Maximum temperatures go down compared to the previous month from +68°F to +66°F. The minimum temperature also goes down from +61°F to +57°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

January is the coldest month in Okinawa, here is the comparison with other months:

Climate in Okinawa in January

Okinawa weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+68°F+66°F+66°F
Min. temperature
+48°F+43°F+46°F
Max. temperature
+82°F+79°F+81°F
Rainfall
124 mm119 mm125 mm
Wind
5 m/s4 m/s4 m/s
Humidity
69%69%72%
Air pressure
1020 HPa1020 HPa1019 HPa
Sunny days
211
Cloudy days
111110
Rainy days
181816
Snowy days
000

January weather is still as good as in December. It’s getting colder in January. From +68°F in the day, the average maximum temperature lowers to +66°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 124 mm to 119 mm. Humidity levels don’t change as the month goes on, averaging around 69%. Winds are calmer in comparison to December, going down from 5 m/s to 4 m/s on average. The days becoming less sunny, going from 2 sunny days in December to 1 in January.

February brings much the same weather, it remains good.

Wind

Wind speed in Okinawa in January based on historical data.
Last Year
Historical Data

The average wind speed is 5 m/s getting up to 12 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Okinawa is gradually decreasing during January, going from 4 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Okinawa based on historical data.
Last Year
Historical Data
Total precipitation in January is about 80 mm, with a 39% chance of rain on a typical day. The maximum amount of rainfall per day is around 32 mm, which is moderate rain. January is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Okinawa wettest month is June, where a typical day has a 63% chance of precipitation and 286 mm of rainfall per day. January, on the other hand, is the driest month with a mere 58% chance of precipitation and 119 mm of rainfall per day.

How was the weather last January in Okinawa?

This is the weather in Okinawa in January 2023:
1 January
☁️
+66°F
2 January
☁️
+67°F
3 January
🌧️
+68°F
4 January
☁️
+65°F
5 January
☁️
+67°F
6 January
🌧️
+70°F
7 January
☀️
+66°F
8 January
☁️
+68°F
9 January
☁️
+71°F
10 January
☁️
+72°F
11 January
☁️
+71°F
12 January
☀️
+74°F
13 January
☀️
+76°F
14 January
🌧️
+78°F
15 January
🌧️
+71°F
16 January
☁️
+60°F
17 January
☁️
+65°F
18 January
☁️
+63°F
19 January
☀️
+65°F
20 January
☁️
+65°F
21 January
☀️
+69°F
22 January
🌧️
+73°F
23 January
🌧️
+71°F
24 January
🌧️
+60°F
25 January
🌧️
+57°F
26 January
☁️
+67°F
27 January
🌧️
+60°F
28 January
🌧️
+56°F
29 January
☁️
+59°F
30 January
☁️
+62°F
31 January
☀️
+65°F
In January 2023 Okinawa had 6 sunny days, 15 cloudy days, and 10 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +77°F and a minimum of +57°F. The average humidity was 68%, with a maximum of 92% and a minimum of 52%. The average wind speed was 5 m/s, with a maximum of 19 m/s and a minimum of 1 m/s.
Are you planning a trip in January?

Climate Change Over the Years

This is how Okinawa climate has changed over the last 43 years.

The climate in Okinawa in January has not changed that much over the last 43 years.

The average temperature was the lowest in 1986 (+75°F) and the highest in 1998 (+79°F). The driest year was 1991 with only 1107 mm of rainfall, and the wettest year was 2022 with 3648 mm.

FAQ

Frequently asked questions about the weather in Okinawa in January:

Is January a good time to visit Okinawa?

January is a really good time to go to Okinawa. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Okinawa.

Can you sunbathe in Okinawa in January?

January has mild temperatures in Okinawa. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Okinawa rainy in January?

Okinawa is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Okinawa in January?

Usually, it’s not very sunny in Okinawa in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Japan

Check out the weather for other cities in Japan.

Monthly weather in Okinawa

Source of the data

For this page, we’ve looked at the typical weather in Okinawa, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.