Ishigaki Island Weather in May
Ishigaki Island in May sees high temperatures, with highs around 28°C (82°F) and overnight lows of 25°C (77°F). Rainfall is fairly high at around 176 mm (6.9 in) on average, so pack waterproofs just in case.
Rainfall in Ishigaki Island in May
Historically, approximately 22 days this month are expected to have rain, averaging 176 mm (6.9 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Ishigaki Island in May
In May, expect high temperatures in Ishigaki Island, with highs of 28°C (82°F) and lows of 25°C (77°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Ishigaki Island in May
With about 165 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Ishigaki Island's climate page.
Ishigaki Island Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
74%
Precipitation
176 mm (6.9 in)
Rainy days
22 days
Humidity
79%
Sunshine
165 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ishigaki Island typically stay consistent throughout May, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 23°C (73°F) to 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Ishigaki Island in May
Browse day-by-day weather records for Ishigaki Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ishigaki Island historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Ishigaki Island.
- The warmest day in May was on May 31, 2018, with a maximum of 33°C (91°F).
- On May 5, 1976, Ishigaki Island saw its coldest May day with temperatures maxing out at 20°C (68°F).
- Ishigaki Island registered its coldest May night on May 6, 1976, with temperatures dropping to 17°C (63°F).
Best Places in Japan in May
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in May →
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What to Wear in Ishigaki Island in May
Warm but pleasant conditions in Ishigaki Island in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Ishigaki Island in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Ishigaki Island's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ishigaki Island climate overview or explore weather in Japan.
