Japan Okinawa Weather in January — Climate Guide
January in Okinawa is high
January is high for Okinawa.
Cool + early cherry blossom + whale watching. Korean winter escape.
Travel score
Okinawa January Weather Stats
Avg High
19°C
Avg Low
14°C
Rainy Days
11
110mm total
Sunshine
5h
Daily avg
Humidity
67%
moderate
UV Index
4
Moderate
Wind
18 km/h
Gusts 30
Sea Temp
21°C
cold for swimming
Crowds
Busy
At attractions
January Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
22 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
18°C
Nighttime
13°C
Humidity and wind affect how the actual temperature feels.
Wind
18 km/h
Max gust 30 km/h
Activities Recommended for January
January Travel Pros & Cons
Pros
- Cherry blossom earliest Japan
- Whale watching Zamami
- Hotels reasonable
Cons
- No swimming (sea 21°C)
January Events & Festivals
- Cherry blossom early (Kanhizakura)
- Whale watching season
Okinawa in January — Full Picture
Cool + early cherry blossom + whale watching. Korean winter escape.
What to Wear & What to Pack
Cool subtropical + light jacket.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
23.7°C
18.3°C
12/mo
Summer (Jun·Jul·Aug)
30.3°C
25.3°C
11/mo
Autumn (Sep·Oct·Nov)
27.7°C
22.7°C
9.7/mo
Winter (Dec·Jan·Feb)
Current19.7°C
14.7°C
11/mo
Okinawa Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 19° | 14° | 11d·110mm | 5h | 67% | 4 | Busy | Shoulder | |
| 19° | 14° | 12d·120mm | 5h | 70% | 5 | Busy | Shoulder | |
| 21° | 16° | 12d·160mm | 6h | 73% | 6 | Busy | Shoulder | |
| April (Best) | 24° | 18° | 11d·165mm | 6h | 75% | 7 | Very busy | Peak |
| May (Best) | 26° | 21° | 13d·230mm | 6h | 78% | 9 | Very busy | Peak |
| 29° | 24° | 13d·245mm | 6h | 81% | 10 | Busy | Shoulder | |
| 31° | 26° | 9d·140mm | 8h | 79% | 11 | Very busy | Peak | |
| 31° | 26° | 11d·240mm | 7h | 79% | 11 | Very busy | Peak | |
| 30° | 25° | 12d·260mm | 7h | 78% | 10 | Busy | Shoulder | |
| October (Best) | 28° | 23° | 9d·165mm | 7h | 73% | 8 | Very busy | Peak |
| November (Best) | 25° | 20° | 8d·110mm | 6h | 70% | 6 | Busy | Shoulder |
| 21° | 16° | 10d·105mm | 5h | 67% | 4 | Busy | Peak |
View Other Months
Okinawa January Hotel Picks
Frequently Asked Questions
Is January a good time to visit Okinawa?
Okinawa in January is high. Tourist crowds are busy and flight/hotel prices are shoulder.
What's the average temperature in Okinawa in January?
Okinawa January averages a high of 19°C and a low of 14°C.
Does it rain much in Okinawa in January?
Okinawa January averages 110mm of rainfall over about 11 rainy days.
What should I wear in Okinawa in January?
Cool subtropical + light jacket.
What time are sunrise and sunset in Okinawa in January?
Okinawa January sunrise is 07:15 and sunset is 18:00, with 10h 45min of daylight.
What's the air quality like in Okinawa in January?
Okinawa January air quality (AQI) averages 35, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Okinawa in January?
In January, Okinawa is great for Cherry blossom, Whale watching, Shuri Castle.
Is January peak season in Okinawa?
Okinawa January crowds are busy and prices are shoulder. Advance reservations are strongly recommended.
Best Months to Visit Okinawa
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.