Okinawa (Naha) December weather
Okinawa (Naha), Japan · December
Mild island “winter” that feels more like cool autumn
December in Okinawa stays mild even as the rest of Japan enters full winter. For visitors from colder regions, it feels more like a cool autumn trip than true winter.
Morning and night lows are around 17-19°C, with daytime highs around 21-23°C, so a light jacket over regular clothes is usually enough.
December averages at a glance
Average low
around 17-19°C
Average high
around 21-23°C
Average rainfall
around 100-120 mm
Rainy days
around 9-11 days
What to wear in December in Okinawa (Naha)
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Light knits, long-sleeve T-shirts, and thin jackets or windbreakers are generally sufficient.
- • Sea breeze at night can feel surprisingly cool, so a hooded top or something that covers your neck is helpful for seaside walks.
- • For bottoms, jeans, slacks, and long skirts you would wear in a Korean autumn work perfectly.
Travel tips for visiting Okinawa (Naha) in December
- • This is a great time to escape deep winter and enjoy a “light jacket only” year-end trip in a southern setting.
- • It is not peak swimming season, but warm days are still excellent for beach picnics and coastal drives.
- • If you want a calm, relaxed year-end rather than crowded winter resorts, December Okinawa is an excellent choice.
December weather in Okinawa (Naha) — FAQ
Q. Can I wear short sleeves in December?
A. On sunny afternoons, short sleeves can feel perfectly fine, but for mornings, evenings, and indoor AC, plan to have at least one long-sleeve layer.
Q. Do I need an umbrella in December?
A. Heavy rain is not constant, but passing showers do happen, so a small folding umbrella is useful.
Q. Is Okinawa a good year-end holiday destination?
A. Yes, it is ideal if you want to escape harsh winter and spend the holidays somewhere mild and relaxed, even if it is not full beach-swimming season.
Authored by Jiheon Bang
Updated: 2025-12-01
Reviewed using Visual Crossing Weather data and reorganized from a traveler’s perspective.
Weather data is designed to be refreshed roughly every 10 minutes.