Ishigaki weather in May
In May, Ishigaki sees average daytime highs of 26°C and overnight lows near 25°C, with 165 mm of rain across 14.4 wet days and about 13.2 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.
Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 12 h 54 min at the start of May to 13 h 24 min by month's end. Set against the rest of the year, May is Ishigaki's 7th-clearest and 12th-windiest month. For the whole year in context, see Ishigaki's year-round climate.
- Daytime high
- 26°
- 6th warmest
- Overnight low
- 25°
- 7th coldest
- Rainfall
- 165 mm
- 14.4 wet days
- Daylight
- 13 h 12 min
- 6:04 AM – 7:15 PM
- Cloud cover
- 67%
- 7th clearest
- Wind
- 21 km/h
- 12th windiest
- Solar energy
- 5.59 kWh/m²
- Travel score
- 5.9
- out of 10
Temperature in May
Highs climb over the month, from about 25°C in the first days to 27°C by the end.
A typical May day in Ishigaki reaches about 26°C in the afternoon and slips back to 25°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 24 |
| 2 | 25 | 24 |
| 3 | 25 | 24 |
| 4 | 25 | 24 |
| 5 | 25 | 24 |
| 6 | 25 | 24 |
| 7 | 25 | 24 |
| 8 | 26 | 24 |
| 9 | 26 | 24 |
| 10 | 26 | 24 |
| 11 | 26 | 24 |
| 12 | 26 | 25 |
| 13 | 26 | 25 |
| 14 | 26 | 25 |
| 15 | 26 | 25 |
| 16 | 26 | 25 |
| 17 | 26 | 25 |
| 18 | 26 | 25 |
| 19 | 26 | 25 |
| 20 | 26 | 25 |
| 21 | 26 | 25 |
| 22 | 26 | 25 |
| 23 | 27 | 25 |
| 24 | 27 | 25 |
| 25 | 27 | 25 |
| 26 | 27 | 25 |
| 27 | 27 | 26 |
| 28 | 27 | 26 |
| 29 | 27 | 26 |
| 30 | 27 | 26 |
| 31 | 27 | 26 |
How May really feels in Ishigaki
Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Ishigaki weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 19° | 155 | 16.8 | 10.7 | 5.2 |
| Feb | 21° / 19° | 112 | 13.9 | 11.2 | 5.4 |
| Mar | 22° / 20° | 122 | 13.9 | 11.8 | 5.9 |
| Apr | 24° / 22° | 148 | 13.1 | 12.6 | 6.3 |
| May | 26° / 25° | 165 | 14.4 | 13.2 | 5.9 |
| Jun | 28° / 27° | 161 | 14.2 | 13.5 | 5.2 |
| Jul | 29° / 28° | 128 | 13 | 13.4 | 5.2 |
| Aug | 29° / 27° | 232 | 16.6 | 12.8 | 4.8 |
| Sep | 28° / 27° | 223 | 15.8 | 12.2 | 5.3 |
| Oct | 26° / 25° | 140 | 13.7 | 11.4 | 6.1 |
| Nov | 25° / 23° | 145 | 14.1 | 10.8 | 6.2 |
| Dec | 22° / 20° | 154 | 15.3 | 10.5 | 5.7 |
Cloud cover in May
The sky is clear or mostly clear about 23% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 63%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 39 | 39 | 40 | 40 | 40 | 40 | 41 | 42 | 42 | 41 | 40 | 40 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 33 | 32 | 32 | 32 | 31 |
| Cloudier (%) | 61 | 61 | 60 | 60 | 60 | 60 | 59 | 58 | 58 | 59 | 60 | 60 | 60 | 61 | 61 | 62 | 63 | 63 | 64 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 67 | 68 | 68 | 68 | 69 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 39 | 61 |
| 2 | 39 | 61 |
| 3 | 40 | 60 |
| 4 | 40 | 60 |
| 5 | 40 | 60 |
| 6 | 40 | 60 |
| 7 | 41 | 59 |
| 8 | 42 | 58 |
| 9 | 42 | 58 |
| 10 | 41 | 59 |
| 11 | 40 | 60 |
| 12 | 40 | 60 |
| 13 | 40 | 60 |
| 14 | 39 | 61 |
| 15 | 39 | 61 |
| 16 | 38 | 62 |
| 17 | 37 | 63 |
| 18 | 37 | 63 |
| 19 | 36 | 64 |
| 20 | 35 | 65 |
| 21 | 35 | 65 |
| 22 | 34 | 66 |
| 23 | 34 | 66 |
| 24 | 34 | 66 |
| 25 | 34 | 66 |
| 26 | 34 | 66 |
| 27 | 33 | 67 |
| 28 | 32 | 68 |
| 29 | 32 | 68 |
| 30 | 32 | 68 |
| 31 | 31 | 69 |
Chance of precipitation in May
Ishigaki gets around 165 mm of rain over 14.4 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 47% and peaks near 51% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 45 | 45 | 46 | 47 | 47 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 51 |
| Rain chance (%) | |
|---|---|
| 1 | 44 |
| 2 | 44 |
| 3 | 44 |
| 4 | 43 |
| 5 | 43 |
| 6 | 43 |
| 7 | 43 |
| 8 | 43 |
| 9 | 44 |
| 10 | 44 |
| 11 | 45 |
| 12 | 45 |
| 13 | 46 |
| 14 | 47 |
| 15 | 47 |
| 16 | 48 |
| 17 | 48 |
| 18 | 48 |
| 19 | 49 |
| 20 | 49 |
| 21 | 49 |
| 22 | 49 |
| 23 | 50 |
| 24 | 50 |
| 25 | 50 |
| 26 | 50 |
| 27 | 50 |
| 28 | 50 |
| 29 | 50 |
| 30 | 51 |
| 31 | 51 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 6 | 6 | 6 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 |
| Muggy (%) | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 12 |
| Oppressive (%) | 41 | 41 | 41 | 42 | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 31 |
| Miserable (%) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 23 | 24 | 25 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 39 | 41 | 42 | 44 | 45 | 47 | 49 | 52 | 53 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 6 | 13 | 24 | 41 | 14 |
| 2 | 1 | 6 | 13 | 23 | 41 | 15 |
| 3 | 1 | 6 | 13 | 23 | 41 | 16 |
| 4 | 1 | 5 | 13 | 22 | 42 | 17 |
| 5 | 1 | 4 | 13 | 22 | 42 | 18 |
| 6 | 1 | 4 | 13 | 21 | 42 | 19 |
| 7 | 0 | 3 | 12 | 21 | 43 | 20 |
| 8 | 0 | 3 | 12 | 20 | 43 | 22 |
| 9 | 0 | 2 | 11 | 20 | 44 | 23 |
| 10 | 0 | 2 | 10 | 19 | 44 | 24 |
| 11 | 0 | 2 | 10 | 19 | 44 | 25 |
| 12 | 0 | 1 | 9 | 19 | 44 | 27 |
| 13 | 0 | 1 | 8 | 19 | 44 | 28 |
| 14 | 0 | 1 | 8 | 19 | 44 | 29 |
| 15 | 0 | 1 | 7 | 19 | 44 | 30 |
| 16 | 0 | 1 | 7 | 19 | 43 | 31 |
| 17 | 0 | 0 | 6 | 19 | 43 | 32 |
| 18 | 0 | 0 | 6 | 19 | 43 | 33 |
| 19 | 0 | 0 | 5 | 19 | 42 | 34 |
| 20 | 0 | 0 | 5 | 18 | 41 | 35 |
| 21 | 0 | 0 | 5 | 18 | 40 | 36 |
| 22 | 0 | 0 | 5 | 18 | 39 | 38 |
| 23 | 0 | 0 | 5 | 17 | 38 | 39 |
| 24 | 0 | 0 | 5 | 17 | 37 | 41 |
| 25 | 0 | 0 | 5 | 17 | 36 | 42 |
| 26 | 0 | 0 | 5 | 16 | 35 | 44 |
| 27 | 0 | 0 | 5 | 15 | 34 | 45 |
| 28 | 0 | 0 | 5 | 15 | 33 | 47 |
| 29 | 0 | 0 | 4 | 14 | 32 | 49 |
| 30 | 0 | 0 | 4 | 13 | 31 | 52 |
| 31 | 0 | 0 | 4 | 12 | 31 | 53 |
Wind in May
Winds average 21 km/h in May, the calmest month.
Across May, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 22 | breezy |
| 2 | 22 | breezy |
| 3 | 22 | breezy |
| 4 | 22 | breezy |
| 5 | 22 | breezy |
| 6 | 22 | breezy |
| 7 | 22 | breezy |
| 8 | 21 | breezy |
| 9 | 21 | breezy |
| 10 | 21 | breezy |
| 11 | 21 | breezy |
| 12 | 21 | breezy |
| 13 | 21 | breezy |
| 14 | 21 | breezy |
| 15 | 21 | breezy |
| 16 | 21 | breezy |
| 17 | 21 | breezy |
| 18 | 20 | breezy |
| 19 | 20 | breezy |
| 20 | 20 | breezy |
| 21 | 20 | breezy |
| 22 | 20 | breezy |
| 23 | 20 | breezy |
| 24 | 20 | breezy |
| 25 | 20 | breezy |
| 26 | 20 | breezy |
| 27 | 20 | breezy |
| 28 | 20 | breezy |
| 29 | 20 | breezy |
| 30 | 21 | breezy |
| 31 | 21 | breezy |
Sunrise & sunset in May
Daylight runs from about 12 h 54 min at the start of May to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over May. Sunrise moves from 6:14 AM to 5:59 AM, and sunset from 7:07 PM to 7:22 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 |
| Sunrise (AM) | 6:14 | 6:13 | 6:12 | 6:12 | 6:11 | 6:10 | 6:09 | 6:09 | 6:08 | 6:08 | 6:07 | 6:06 | 6:06 | 6:05 | 6:05 | 6:04 | 6:04 | 6:03 | 6:03 | 6:03 | 6:02 | 6:02 | 6:01 | 6:01 | 6:01 | 6:00 | 6:00 | 6:00 | 6:00 | 5:59 | 5:59 |
| Sunset (PM) | 7:07 | 7:08 | 7:08 | 7:09 | 7:09 | 7:10 | 7:10 | 7:11 | 7:11 | 7:12 | 7:12 | 7:13 | 7:13 | 7:14 | 7:14 | 7:15 | 7:15 | 7:16 | 7:16 | 7:17 | 7:17 | 7:18 | 7:18 | 7:19 | 7:19 | 7:20 | 7:20 | 7:21 | 7:21 | 7:22 | 7:22 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 6:14 | 7:07 |
| 2 | 12.9 | 6:13 | 7:08 |
| 3 | 12.9 | 6:12 | 7:08 |
| 4 | 13.0 | 6:12 | 7:09 |
| 5 | 13.0 | 6:11 | 7:09 |
| 6 | 13.0 | 6:10 | 7:10 |
| 7 | 13.0 | 6:09 | 7:10 |
| 8 | 13.0 | 6:09 | 7:11 |
| 9 | 13.1 | 6:08 | 7:11 |
| 10 | 13.1 | 6:08 | 7:12 |
| 11 | 13.1 | 6:07 | 7:12 |
| 12 | 13.1 | 6:06 | 7:13 |
| 13 | 13.1 | 6:06 | 7:13 |
| 14 | 13.1 | 6:05 | 7:14 |
| 15 | 13.2 | 6:05 | 7:14 |
| 16 | 13.2 | 6:04 | 7:15 |
| 17 | 13.2 | 6:04 | 7:15 |
| 18 | 13.2 | 6:03 | 7:16 |
| 19 | 13.2 | 6:03 | 7:16 |
| 20 | 13.2 | 6:03 | 7:17 |
| 21 | 13.3 | 6:02 | 7:17 |
| 22 | 13.3 | 6:02 | 7:18 |
| 23 | 13.3 | 6:01 | 7:18 |
| 24 | 13.3 | 6:01 | 7:19 |
| 25 | 13.3 | 6:01 | 7:19 |
| 26 | 13.3 | 6:00 | 7:20 |
| 27 | 13.3 | 6:00 | 7:20 |
| 28 | 13.3 | 6:00 | 7:21 |
| 29 | 13.4 | 6:00 | 7:21 |
| 30 | 13.4 | 5:59 | 7:22 |
| 31 | 13.4 | 5:59 | 7:22 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.59 kWh/m².
For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 6.37 kWh/m² in July across the year — May's 5.59 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.6 | Bright |
| 7 | 5.6 | Bright |
| 8 | 5.6 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.6 | Bright |
| 11 | 5.6 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.6 | Bright |
| 19 | 5.6 | Bright |
| 20 | 5.6 | Bright |
| 21 | 5.6 | Bright |
| 22 | 5.6 | Bright |
| 23 | 5.6 | Bright |
| 24 | 5.6 | Bright |
| 25 | 5.6 | Bright |
| 26 | 5.6 | Bright |
| 27 | 5.6 | Bright |
| 28 | 5.6 | Bright |
| 29 | 5.6 | Bright |
| 30 | 5.6 | Bright |
| 31 | 5.6 | Bright |
Hazard calendar for Ishigaki
In May, Ishigaki sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Ishigaki sits in the Pacific typhoon belt; the season peaks July–October.
Is May a good time to visit Ishigaki?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Ishigaki for sightseeing.
What to pack for Ishigaki in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Ishigaki sees daytime highs around 26°C and nights near 25°C. Pack rain gear. Worth having: light clothes, sun protection and a windbreaker. About 14 days see rain.
Sea temperature near Ishigaki in May
The nearest coast averages about 26°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in July at about 29°C and coldest in February near 23°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 23 | 23 | 25 | 26 | 28 | 29 | 29 | 28 | 27 | 26 | 25 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 25 | Warm |
| May | 26 | Warm |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Tropical |
| Oct | 27 | Warm |
| Nov | 26 | Warm |
| Dec | 25 | Warm |
UV index in Ishigaki in May
Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ishigaki peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 8 | 10 | 9 | 10 | 12 | 12 | 12 | 11 | 8 | 7 | 5 |
| Level | High | Very high | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Extreme |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 5 | High |
Air quality in Ishigaki in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Ishigaki is worst in March — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 12 | 15 | 13 | 9 | 7 | 8 | 9 | 8 | 9 | 10 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 12 | Moderate |
| Mar | 15 | Moderate |
| Apr | 13 | Moderate |
| May | 9 | Good |
| Jun | 7 | Good |
| Jul | 8 | Good |
| Aug | 9 | Good |
| Sep | 8 | Good |
| Oct | 9 | Good |
| Nov | 10 | Good |
| Dec | 11 | Good |
Where is Ishigaki?
Ishigaki sits at 24.3°N, 124.2°E, 18 m above sea level, in Japan. The nearest listed city is Hirara, 127 km away.
Topography around Ishigaki
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ishigaki.
Within 3 km, the terrain around Ishigaki has only modest variations in elevation — a maximum elevation change of 217 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 528 m; within 80 km, significant variations in elevation — a maximum elevation change of 517 m.
The land around Ishigaki is covered by water (37%), artificial surfaces (22%) and trees (20%) within 3 km, water (78%) within 16 km, and water (96%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ishigaki (24.3448°, 124.1572°, elevation 18 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).