January in Ishigaki — workable with trade-offs
Trade-offs · 5.8/10January averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 107 mm this is a genuinely wet month: about 17 sunny days in total, and outdoor plans need an indoor fallback.
It scores 5.8/10 here, 12th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Ishigaki — 2.1 points higher on the same scale.
February in Ishigaki — workable with trade-offs
Trade-offs · 6.2/10February averages 20°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 108 mm this is a genuinely wet month: about 17 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6.2/10 here, 10th of 12 months, against 7.9/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Ishigaki — 1.7 points higher on the same scale.
March in Ishigaki — reliably good (5th best month)
Good · 7.2/10March averages 21°C (70°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 132 mm this is a genuinely wet month: about 22 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.2/10 here, 5th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
April in Ishigaki — the year's strongest window
Best window · 7.9/10April averages 23°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 136 mm this is a genuinely wet month: about 26 sunny days in total, and outdoor plans need an indoor fallback.
On our climate-comfort scale this is the top-ranked month of the year for Ishigaki at 7.9/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
May in Ishigaki — reliably good (6th best month)
Good · 7.2/10May averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
289 mm of rain puts this in monsoon territory — about 23 sunny days across the whole month, and multi-day washouts are normal.
It scores 7.2/10 here, 6th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
June in Ishigaki — reliably good (7th best month)
Good · 7.2/10June averages 28°C (82°F) with humidity around 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
239 mm of rain puts this in monsoon territory — about 26 sunny days across the whole month, and multi-day washouts are normal.
It scores 7.2/10 here, 7th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
July in Ishigaki — reliably good (3rd best month)
Good · 7.6/10July averages 29°C (84°F) with humidity around 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 189 mm this is a genuinely wet month: about 28 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.6/10 here, 3rd of 12 months, against 7.9/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
August in Ishigaki — reliably good (2nd best month)
Good · 7.7/10August averages 29°C (84°F) with humidity around 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 163 mm this is a genuinely wet month: about 29 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.7/10 here, 2nd of 12 months, against 7.9/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
September in Ishigaki — reliably good (8th best month)
Good · 7.2/10September averages 28°C (83°F) with humidity around 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
259 mm of rain puts this in monsoon territory — about 27 sunny days across the whole month, and multi-day washouts are normal.
It scores 7.2/10 here, 8th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
October in Ishigaki — reliably good (9th best month)
Good · 7.2/10October averages 27°C (80°F) with humidity around 75%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
267 mm of rain puts this in monsoon territory — about 24 sunny days across the whole month, and multi-day washouts are normal.
It scores 7.2/10 here, 9th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
November in Ishigaki — reliably good (4th best month)
Good · 7.4/10November averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 172 mm this is a genuinely wet month: about 20 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.4/10 here, 4th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
December in Ishigaki — workable with trade-offs
Trade-offs · 6.2/10December averages 21°C (69°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 137 mm this is a genuinely wet month: about 17 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6.2/10 here, 11th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Ishigaki — 1.7 points higher on the same scale.
