Okinawa weather in January
January in Okinawa: nice, rainy — a good time to visit.
#11 of 12 months in Okinawa · #396 of 604 destinations to visit in January · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Okinawa climate normals — January
| Daytime high | 18°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 104 mm / 4.1 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 65% | 💧 humid |
| Dew point | 10°C / 51°F | |
| Sunshine | 5.7 h/day | |
| Daylight | 10.7 h | |
| Wind | 34 km/h / 21 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Okinawa?
Loading map…
Okinawa in January — FAQ
- Is January a good time to visit Okinawa?
- January in Okinawa: nice, rainy — a good time to visit. It ranks #11 of 12 months for Okinawa on SeasonMap's comfort score (61/100).
- What is the weather like in Okinawa in January?
- In January, Okinawa averages a daily high of 18.3°C and a low of 16.2°C, with about 104 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Okinawa in January?
- Okinawa has a mean US Air Quality Index of about 54 in January.