Japan
Okinawa in December: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Okinawa in December is climatically well suited to city breaks, family holidays, active holidays and hiking and beach holidays. The average daily high is around 21 °C, and the sea is about 24 °C. With about 13 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
72/100 · #3
Warmth
#9
Dryness
#2
Sun
#11
Sea warmth
#8
Published best categories: Overall, City break, Active, Family
Okinawa · DecemberPhoto: Kugel~commonswiki · CC BY-SA 4.0Climate facts
- Average high
- 21 °C
- Average low
- 20 °C
- Sea
- 24 °C
- Rainy days (est.)
- 13 rainy days (est.)
- Sun (est.)
- 3 h/day
- Humidity
- 75 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | 24 | 23 | 13 | 86 | 3.7 | 76 | 6.3 | 26 | 76 |
| December (selected) | 21 | 20 | 13 | 66 | 3.0 | 75 | 6.5 | 24 | 72 |
| January | 20 | 18 | 13 | 64 | 3.0 | 75 | 6.3 | 23 | 65 |
How do the previous and next months compare?
Baseline: December (72/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | +4 | +2.9 °C | +3.1 °C | +0.4 | +20 mm | +0.7 h | +1.6 % | -0.3 m/s | +1.6 °C |
| January | -7 | -1.7 °C | -1.8 °C | +0.7 | -2.6 mm | ±0 h | +0.2 % | -0.3 m/s | -1.3 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Okinawa in December?
The average daily high is around 21 °C, with an average daily low of about 20 °C.
Can you swim in Okinawa in December?
The sea is about 24 °C (swimmable).
Does it rain a lot in Okinawa in December?
The curated estimate is about 13 rainy days per month, not a directly measured long-term average. Total precipitation averages around 66 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Okinawa?
By the climate score, April, October, November and December are the strongest months for Okinawa. For a beach trip: May, June, October and November. December is one of them.