January · Japan
Best time to visit Okinawa in January Weather, crowds & prices
Weather in Okinawa in January
Average temperature 17°C, 82 mm of rain, about 23 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
6.2/10
Ranked #9 of 12 months
- Avg temp
- 17°C
- Rainfall
- 82 mm
- Humidity
- 69%
- Days with 6h+ sun
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
January in Okinawa scores 6.2/10 for beach and coastal travel - ranked #9 of 12. Expect around 17°C, 82 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Okinawa's Ryukyu castles, coral reefs, and island ferries spread across a subtropical chain south of mainland Japan.
January in Okinawa — middling scores, decent value
Temperatures hover around 17°C (63°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 82 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 10.7 hours of daylight to work around it.
That is 6.2/10 on the same scale — 9th of 12 months, versus 7.3/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Okinawa in January?
- In January, Okinawa averages 17°C, 82 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 6.2/10.
- Is January a good time to visit Okinawa?
- January earns a 6.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Okinawa in January?
- Expect about 82 mm of rain in January. Average humidity is 69% and there are about 23 days with 6+ hours of sunshine.
Curated in Okinawa
Tickets & experiences
Things to do in Okinawa
Okinawa, Japan. Live activities and tours from GetYourGuide, matched to this destination.