Climate Chart of Okinawa, Japan
Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023
For Okinawa, Japan, the climate data cover 2013–2023. Monthly mean temperatures range from 16.3 °C in January to 27.7 °C in August, giving a broad sense of the year's temperature pattern without describing daytime highs. Rainfall and sunshine also vary by month, so the figures offer different considerations for planning a visit rather than one all-purpose indication of conditions.
Climate overview
Temperature
The monthly mean temperature reaches its highest point at 27.7 °C in August, while the lowest monthly mean is 16.3 °C in January. These are averages for each month, not daytime maximum temperatures, so they describe the broad temperature background rather than the full range visitors may experience during a day. The unweighted mean of the monthly means is 22.2 °C; it summarizes the monthly values without weighting them by the number of days in each month.
Rain
Mean daily rainfall is highest in June, at 10.72 mm/day, and lowest in January, at 3.14 mm/day. The lower monthly mean can help visitors prioritising less average rainfall identify a possible option, but it does not guarantee dry days or indicate how frequently rain occurs. The unweighted mean of the monthly daily means is 5.84 mm/day; these figures are daily averages, not monthly rainfall totals.
Sunshine
Mean daily sunshine duration is highest at 10.98 hours/day in July and lowest at 5.50 hours/day in December. This contrast may be useful when planning around average daylight outdoor conditions, though sunshine duration is not the same as day length and does not guarantee how sunny an individual day will be. The unweighted mean across the monthly sunshine means is 8.34 hours/day hours per day.
Best Travel Time Guide for Okinawa, Japan: Ideal Seasons and Weather Insights
For visitors prioritising cooler monthly averages, January is the relevant point of reference, with a monthly mean temperature of 16.3 °C; this is not a daytime high, so it cannot describe the full conditions during outdoor sightseeing. For lower average rainfall, January is a conditional option, with mean daily rainfall of 3.14 mm/day, but rain can still occur and the average does not measure its frequency. Prepare for rain with June in mind, when mean daily rainfall reaches 10.72 mm/day; this average does not mean that every day is wet. For daylight outdoor planning, mean daily sunshine is highest in July at 10.98 hours/day and lowest in December at 5.50 hours/day. These are separate planning criteria, not a combined ranking of the best time to visit, and sunshine duration does not indicate day length or guarantee clear skies.
Climate Data Overview for Okinawa, Japan
Explore the comprehensive climate data for Okinawa, Japan. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.
| Month | Average: Temperature °C | Rain (mm) / day | Snow (mm) / day | Sunshine (h) / day |
|---|---|---|---|---|
| Jan | 16.3 | 3.14 | 0.00 | 5.89 |
| Feb | 16.6 | 3.44 | 0.00 | 6.81 |
| Mar | 18.1 | 4.28 | 0.00 | 7.84 |
| Apr | 20.2 | 5.02 | 0.00 | 8.39 |
| May | 23.0 | 9.39 | 0.00 | 8.52 |
| Jun | 25.9 | 10.72 | 0.00 | 8.95 |
| Jul | 27.6 | 6.50 | 0.00 | 10.98 |
| Aug | 27.7 | 7.66 | 0.00 | 10.55 |
| Sep | 26.8 | 6.79 | 0.00 | 9.90 |
| Oct | 24.5 | 5.13 | 0.00 | 9.03 |
| Nov | 21.5 | 3.54 | 0.00 | 7.70 |
| Dec | 18.0 | 4.51 | 0.00 | 5.50 |
| Average | 22.2 | 5.84 | 0.00 | 8.34 |
