The month in detail
What to expect in January
In January, Okinawa sees 66°F during the day with 5.3h of sunshine per day. Rain risk remains low (23% of days), leaving good room for outdoor activities. Not the best window, but acceptable if dates are constrained. October (8.3/10) is significantly better if possible.
January ranks 7 out of 12 months in Okinawa. Compared to December: −4°F daytime.
This month's conditions
What it's like in January
UV index
4 · moderate
protect during midday hours
Feels like
comfortable
11°
Sea
21°C
cool, invigorating
Daylight
10.5h of daylight
Air quality
fair
AQI 40
Compare
Is January the right month?
The best month in Okinawa is October (8.3/10), 0.9 pt higher than January.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Okinawa
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Okinawa
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · Japan
🗣️LanguageJapanese
💶CurrencyYen japonais (¥)
🚗DrivingLeft-hand
🛡️Safety ⓘSafe · 2/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘ+1.09°F/decade
🔥Hottest monthJuly · 86°F
❄️Coolest monthJanuary · 66°F
🌧️Rainiest month ⓘJune · 49%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in January
If January doesn't convince you for this destination, compare with others.
Location
Where is Okinawa ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
JapanTropical climate with a 8.3 → 4.9 gap between best and worst month. 10 years of ERA5 data to choose by project.
26.33°N · 127.80°E
Questions
Frequently asked questions
What is the best time to visit Okinawa?
October is the best month with 82°F highs, 75°F lows, 6.6h of sunshine and 29.0% rainy days. The months of October & November offer comparable conditions.
How many hours of sunshine does Okinawa get in October?
Okinawa averages 6.6 sunshine hours per day in October. It is the sunniest month with a climate score of 7.8/10.
What is the rainiest month in Okinawa?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Okinawa in October?
In October, overnight lows reach 75°F, while afternoon highs average 82°F.
Is Okinawa good in winter?
In winter (December-February), Okinawa scores 7.1/10 on average — Acceptable conditions for cultural visits.. The best month overall remains October with a score of 7.8/10.
When should you avoid Okinawa?
September is the most difficult month to visit Okinawa, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Okinawa in January?
In January, the sea averages 69°F in Okinawa: cool, invigorating. Swimming is possible but brisk; sensitive swimmers may prefer a wetsuit.
Do you need sun protection in Okinawa in January?
The average UV index reaches 4 in January in Okinawa (moderate), with about 10.5h of daylight. Protect during midday hours.