January in Roseau — reliably good (3rd best month)
Good · 7/10January averages 26°C (79°F) with humidity around 76%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 45 mm of rain — occasional showers rather than washed-out days — alongside about 22 sunny days and 11.2 daylight hours.
It scores 7/10 here, 3rd of 12 months, against 7.3/10 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, footwear you can get muddy.
February in Roseau — the year's strongest window
Best window · 7.3/10February averages 26°C (79°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 36 mm of rain — occasional showers rather than washed-out days — alongside about 24 sunny days and 11.5 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Roseau at 7.3/10 — 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, footwear you can get muddy.
March in Roseau — reliably good (2nd best month)
Good · 7.2/10March averages 26°C (79°F) with humidity around 75%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 37 mm of rain — occasional showers rather than washed-out days — alongside about 31 sunny days and 11.9 daylight hours.
It scores 7.2/10 here, 2nd of 12 months, against 7.3/10 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, footwear you can get muddy.
April in Roseau — workable with trade-offs
Trade-offs · 6.8/10April averages 27°C (80°F) with humidity around 76%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 47 mm, so plan one flexible day in three; you still get about 30 sunny days and 12.3 hours of daylight.
It scores 6.8/10 here, 4th of 12 months, against 7.3/10 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 packable rain layer, footwear you can get muddy.
May in Roseau — workable with trade-offs
Trade-offs · 5.9/10May averages 28°C (82°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 72 mm, so plan one flexible day in three; you still get about 31 sunny days and 12.7 hours of daylight.
It scores 5.9/10 here, 6th of 12 months, against 7.3/10 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 packable rain layer, footwear you can get muddy.
June in Roseau — workable with trade-offs
Trade-offs · 5.5/10June averages 28°C (83°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 96 mm, so plan one flexible day in three; you still get about 29 sunny days and 12.9 hours of daylight.
It scores 5.5/10 here, 7th of 12 months, against 7.3/10 in the destination's best month.
Expect 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 packable rain layer, footwear you can get muddy.
If your dates are flexible, February is materially better in Roseau — 1.8 points higher on the same scale.
July in Roseau — the hardest end of the year
Hardest · 4.8/10July averages 28°C (83°F) with humidity around 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 151 mm this is a genuinely wet month: about 28 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.8/10 here, 9th of 12 months, against 7.3/10 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, footwear you can get muddy.
If your dates are flexible, February is materially better in Roseau — 2.5 points higher on the same scale.
August in Roseau — the hardest end of the year
Hardest · 4.9/10August 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 138 mm this is a genuinely wet month: about 30 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.9/10 here, 8th of 12 months, against 7.3/10 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, footwear you can get muddy.
If your dates are flexible, February is materially better in Roseau — 2.4 points higher on the same scale.
September in Roseau — the hardest end of the year
Hardest · 4.8/10September averages 29°C (84°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 152 mm this is a genuinely wet month: about 27 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.8/10 here, 10th of 12 months, against 7.3/10 in the destination's best month.
Expect 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, footwear you can get muddy.
If your dates are flexible, February is materially better in Roseau — 2.5 points higher on the same scale.
October in Roseau — the hardest end of the year
Hardest · 4.7/10October 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 149 mm this is a genuinely wet month: about 24 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.7/10 here, 11th of 12 months, against 7.3/10 in the destination's best month.
Expect 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, footwear you can get muddy.
If your dates are flexible, February is materially better in Roseau — 2.6 points higher on the same scale.
November in Roseau — the hardest end of the year
Hardest · 4.5/10November averages 28°C (82°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 131 mm this is a genuinely wet month: about 19 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.5/10 here, 12th of 12 months, against 7.3/10 in the destination's best month.
Expect 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, footwear you can get muddy.
If your dates are flexible, February is materially better in Roseau — 2.8 points higher on the same scale.
December in Roseau — workable with trade-offs
Trade-offs · 6.1/10December averages 27°C (80°F) with humidity around 76%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 63 mm, so plan one flexible day in three; you still get about 20 sunny days and 11.1 hours of daylight.
It scores 6.1/10 here, 5th of 12 months, against 7.3/10 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 packable rain layer, footwear you can get muddy.
