Ishigaki weather in January
January in Ishigaki: nice, rainy — a good time to visit.
#11 of 12 months in Ishigaki · #587 of 897 destinations to visit in January · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
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Ishigaki climate normals — January
| Daytime high | 20°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 65°F | |
| Rainfall | 134 mm / 5.3 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 5.7 h/day | |
| Daylight | 10.8 h | |
| Wind | 37 km/h / 23 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ishigaki in January — FAQ
- Is January a good time to visit Ishigaki?
- January in Ishigaki: nice, rainy — a good time to visit. It ranks #11 of 12 months for Ishigaki on SeasonMap's comfort score (63/100).
- What is the weather like in Ishigaki in January?
- In January, Ishigaki averages a daily high of 20.4°C and a low of 18.3°C, with about 133.7 mm of rain over roughly 17.2 rainy days.
- What is the air quality in Ishigaki in January?
- Ishigaki has a mean US Air Quality Index of about 55 in January.