January in Rock Islands — the year's strongest window
Best window · 3.2/10Days in January average 27°C (80°F) and humidity near 85% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 370 mm, but with about 25 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
On our climate-comfort scale this is the top-ranked month of the year for Rock Islands at 3.2/10 — 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 the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
February in Rock Islands — off-season conditions
Hardest · 3.2/10Days in February average 27°C (80°F) and humidity near 83% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 264 mm, but with about 23 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 3.2/10 on the same scale — 2nd of 12 months, versus 3.2/10 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 the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
March in Rock Islands — off-season conditions
Hardest · 3.2/10March averages 27°C (80°F) and humidity near 84%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
260 mm makes this the wettest stretch of the year, though about 28 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.2/10 here, 3rd of 12 months, against 3.2/10 in the destination's best month.
Figure on peak pricing, with 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.
April in Rock Islands — off-season conditions
Hardest · 3.1/10Days in April average 27°C (81°F) and humidity near 85% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 380 mm, but with about 24 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 3.1/10 on the same scale — 5th of 12 months, versus 3.2/10 for the best month here.
Budget for 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.
May in Rock Islands — the hardest end of the year
Hardest · 3.1/10May averages 27°C (81°F) and humidity near 88%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
430 mm makes this the wettest stretch of the year, though about 24 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.1/10 here, 6th of 12 months, against 3.2/10 in the destination's best month.
Plan for mid-season pricing, with 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.
June in Rock Islands — off-season conditions
Hardest · 3.1/10Days in June average 27°C (80°F) and humidity near 89% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 549 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 3.1/10 on the same scale — 7th of 12 months, versus 3.2/10 for the best month here.
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 Rock Islands — off-season conditions
Hardest · 3.1/10Days in July average 27°C (80°F) and humidity near 89% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 758 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 3.1/10 on the same scale — 8th of 12 months, versus 3.2/10 for the best month here.
Budget for 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.
August in Rock Islands — off-season conditions
Hardest · 3.2/10August averages 27°C (80°F) and humidity near 88%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
649 mm makes this the wettest stretch of the year, though about 23 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.2/10 here, 4th of 12 months, against 3.2/10 in the destination's best month.
Figure on peak pricing, with this is one of the busiest months here.
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 Rock Islands: expect compromises
Hardest · 3.1/10September averages 27°C (80°F) and humidity near 87%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
553 mm makes this the wettest stretch of the year, though about 22 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.1/10 here, 9th of 12 months, against 3.2/10 in the destination's best month.
Figure on mid-season pricing, with 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 Rock Islands — off-season conditions
Hardest · 3/10Days in October average 27°C (80°F) and humidity near 87% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 508 mm, but with about 21 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 3/10 on the same scale — 11th of 12 months, versus 3.2/10 for the best month here.
Budget for low-season pricing, and 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.
November in Rock Islands: expect compromises
Hardest · 3/10Days in November average 27°C (80°F) and humidity near 88% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 415 mm, but with about 24 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 3/10 on the same scale — 12th of 12 months, versus 3.2/10 for the best month here.
Budget for low-season pricing, and 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.
December in Rock Islands — the hardest end of the year
Hardest · 3.1/10December averages 27°C (80°F) and humidity near 87%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
436 mm makes this the wettest stretch of the year, though about 24 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.1/10 here, 10th of 12 months, against 3.2/10 in the destination's best month.
Plan for mid-season pricing, with 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.