January in Naoshima: mixed conditions, plan around the weather
Trade-offs · 5.8/10Expect 5°C (41°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
With around 38 mm of rain, any showers tend to pass through rather than settle in; about 1 days with 6+ hours of sunshine and 9.9 hours of daylight fill the rest.
That is 5.8/10 on the same scale — 8th of 12 months, versus 7/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
February in Naoshima — workable with trade-offs
Trade-offs · 5.7/10Expect 5°C (41°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 65 mm of rain this month — a flexible day or two helps — with about 6 days with 6+ hours of sunshine and 10.7 hours of daylight to work around it.
That is 5.7/10 on the same scale — 9th of 12 months, versus 7/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
March in Naoshima — middling scores, decent value
Trade-offs · 6.1/10March averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 116 mm this is a genuinely wet month: about 14 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.1/10 here, 6th of 12 months, against 7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
April in Naoshima — workable with trade-offs
Trade-offs · 6.8/10Temperatures hover around 15°C (59°F) — the kind of month where neither heat nor cold forces the schedule.
168 mm of rain signals a properly wet month, with only about 19 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 6.8/10 on the same scale — 2nd of 12 months, versus 7/10 for the best month here.
Budget for 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 layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
May in Naoshima: mixed conditions, plan around the weather
Trade-offs · 6.8/10May averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
207 mm makes this the wettest stretch of the year, though about 25 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.8/10 here, 3rd of 12 months, against 7/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
June in Naoshima: mixed conditions, plan around the weather
Trade-offs · 6/10At 23°C (73°F) this is comfortable city weather in June, with sightseeing easiest before lunch and after the afternoon peak.
This is the year's wettest stretch at 245 mm, but with about 20 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 6/10 on the same scale — 7th of 12 months, versus 7/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
July in Naoshima: expect compromises
Hardest · 4.4/10Days in July average 27°C (81°F) and humidity near 84% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
193 mm of rain makes this a wet month here, though with about 23 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 4.4/10 on the same scale — 11th of 12 months, versus 7/10 for the best month here.
Budget for low-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.
If your dates are flexible, October is materially better in Naoshima — 2.6 points higher on the same scale.
August in Naoshima — the hardest end of the year
Hardest · 4/10August averages 29°C (83°F) and humidity near 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 182 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4/10 here, 12th of 12 months, against 7/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? October scores 3 points higher here — enough to change the trip.
September in Naoshima — middling scores, decent value
Trade-offs · 5.3/10September averages 26°C (79°F) and humidity near 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 120 mm this is a genuinely wet month: about 16 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5.3/10 here, 10th of 12 months, against 7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? October scores 1.7 points higher here — enough to change the trip.
October in Naoshima — the year's strongest window
Best window · 7/10Temperatures hover around 19°C (66°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 95 mm of rain this month — a flexible day or two helps — with about 10 days with 6+ hours of sunshine and 11.1 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Naoshima at 7/10 — the reference point every other month on this page is measured against.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
November in Naoshima — middling scores, decent value
Trade-offs · 6.3/10Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 95 mm of rain this month — a flexible day or two helps — with about 4 days with 6+ hours of sunshine and 10.2 hours of daylight to work around it.
That is 6.3/10 on the same scale — 5th of 12 months, versus 7/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
December in Naoshima: mixed conditions, plan around the weather
Trade-offs · 6.4/10December averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 30 mm of rain — occasional showers rather than washed-out days — alongside almost no days with 6+ hours of sunshine and 9.7 daylight hours.
It scores 6.4/10 here, 4th of 12 months, against 7/10 in the destination's best month.
Plan for peak pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
