Ishigaki weather in December
December in Ishigaki: nice, soaked, with clean air — a gamble, with 19 rainy days.
#12 of 12 months in Ishigaki · #649 of 897 destinations to visit in December · comfort 59/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
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Ishigaki climate normals — December
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Rainfall | 193 mm / 7.6 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 5.3 h/day | |
| Daylight | 10.7 h | |
| Wind | 40 km/h / 25 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ishigaki in December — FAQ
- Is December a good time to visit Ishigaki?
- December in Ishigaki: nice, soaked, with clean air — a gamble, with 19 rainy days. It ranks #12 of 12 months for Ishigaki on SeasonMap's comfort score (59/100).
- What is the weather like in Ishigaki in December?
- In December, Ishigaki averages a daily high of 21.9°C and a low of 19.9°C, with about 193 mm of rain over roughly 19 rainy days.
- What is the air quality in Ishigaki in December?
- Ishigaki has a mean US Air Quality Index of about 49 in December.