Okinawa (Naha) in January

In January, Okinawa (Naha) averages 19°C (67°F) during the day and 16°C (61°F) at night, with frequent rain — about 19 days of the month see precipitation (106 mm total).

Shoulder

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

January offers comfortable temperatures in Okinawa (Naha), with some rain to plan around.

19°C
Avg high
16°C
Avg low
19
Rain days
106 mm
Rainfall

How January compares to the rest of the year in Okinawa (Naha)

12th
warmest month of the 12
8th
wettest month of the 12
5%
of yearly rainfall falls in January
10 h 40 min
daylight on the 15th

January is one of the coolest months in Okinawa (Naha) (12th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature runs 6°C below the annual average (25°C). January runs 2°C cooler than December (21°C) and stays flat into February.

January sunrise & sunset in Okinawa (Naha)

🌅
Sunrise (15th)
7:18 AM
🌇
Sunset (15th)
5:58 PM
Day length
10 h 40 min

Times shown for Okinawa (Naha) local time (Asia/Tokyo), calculated for the 15th of January. They shift by a few minutes day to day across the month.

Photography light in Okinawa (Naha) — January

Golden-hour and blue-hour windows for the 15th of January, in Okinawa (Naha)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:18 AM – 6:58 AM
🌄 Golden hour (AM)
6:58 AM – 7:58 AM
🌇 Golden hour (PM)
5:18 PM – 6:18 PM
🌆 Blue hour (PM)
6:18 PM – 6:58 PM

📅 When to book — Okinawa (Naha) in January

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (Shoulder) and Okinawa (Naha)'s popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.
⚠ Christmas / New Year travel is a global premium-pricing event — many destinations 30-50% above normal. Book 4+ months ahead if your dates are Dec 20 - Jan 2.

Crowds & pricing — January in Okinawa (Naha)

Shoulder

Okinawa (Naha) is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — January in Okinawa (Naha)

☀️ UV Index (noon, 15th)
7.8
High
Cover up and apply SPF 30+ for any outdoor activity longer than 30 minutes.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Okinawa (Naha) in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 19°C / 67°F 16°C / 61°F 106 mm 19
February 20°C / 67°F 16°C / 61°F 106 mm 18
March 21°C / 70°F 18°C / 64°F 126 mm 20
April 23°C / 74°F 20°C / 68°F 133 mm 19
May 26°C / 79°F 23°C / 73°F 280 mm 22
June 28°C / 83°F 26°C / 78°F 277 mm 26
July 30°C / 86°F 27°C / 81°F 208 mm 28
August 30°C / 86°F 27°C / 81°F 224 mm 28
September 29°C / 85°F 26°C / 79°F 182 mm 26
October 27°C / 81°F 24°C / 75°F 164 mm 21
November 24°C / 76°F 21°C / 70°F 92 mm 18
December 21°C / 69°F 18°C / 64°F 144 mm 17

Other cities with similar January weather

🌍 See the full ranked list of climate twins for Okinawa (Naha) in January →

Frequently asked questions

How hot is Okinawa (Naha) in January?

In January, Okinawa (Naha) averages a high of 19°C (67°F) and a low of 16°C (61°F) — generally mild and pleasant.

Does it rain a lot in Okinawa (Naha) in January?

January is quite rainy in Okinawa (Naha), with about 19 rainy days on average.

Is January a good time to visit Okinawa (Naha)?

January is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Okinawa (Naha) in January?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full January packing list for Okinawa (Naha) for a complete, climate-based checklist.

Open Okinawa (Naha) on the interactive map

Check the live 10-day forecast and sunrise/sunset.