January in Roseau: strong conditions, 3rd of 12
Good · 7/10January averages 26°C (79°F) and humidity near 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 days with 6+ hours of sunshine and 11.2 daylight hours.
It scores 7/10 here, 3rd of 12 months, against 7.3/10 in the destination's best month.
Plan for 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, footwear you can get muddy.
February in Roseau — the year's strongest window
Best window · 7.3/10February averages 26°C (79°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
Expect 36 mm of rain — occasional showers rather than washed-out days — alongside about 24 days with 6+ hours of sunshine 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.
Plan for 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 light clothing, a hat and real sun protection, footwear you can get muddy.
March in Roseau: strong conditions, 2nd of 12
Good · 7.2/10Days in March average 26°C (79°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 37 mm of rain, any showers tend to pass through rather than settle in; about 31 days with 6+ hours of sunshine and 11.9 hours of daylight fill the rest.
That is 7.2/10 on the same scale — 2nd of 12 months, versus 7.3/10 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, footwear you can get muddy.
April in Roseau — middling scores, decent value
Trade-offs · 6.8/10April averages 27°C (80°F) and humidity near 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 days with 6+ hours of sunshine 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.
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 packable rain layer, footwear you can get muddy.
May in Roseau — workable with trade-offs
Trade-offs · 5.9/10Days in May average 28°C (82°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 72 mm of rain this month — a flexible day or two helps — with about 31 days with 6+ hours of sunshine and 12.7 hours of daylight to work around it.
That is 5.9/10 on the same scale — 6th of 12 months, versus 7.3/10 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 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) and humidity near 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 days with 6+ hours of sunshine 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.
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 packable rain layer, footwear you can get muddy.
Flexible dates? February scores 1.8 points higher here — enough to change the trip.
July in Roseau: expect compromises
Hardest · 4.8/10July averages 28°C (83°F) and humidity near 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 151 mm — wet for this destination — but about 28 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.8/10 here, 9th of 12 months, against 7.3/10 in the destination's best month.
Plan for low-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, footwear you can get muddy.
Flexible dates? February scores 2.5 points higher here — enough to change the trip.
August in Roseau — the hardest end of the year
Hardest · 4.9/10Days in August average 29°C (84°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
138 mm of rain makes this a wet month here, though with about 30 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 4.9/10 on the same scale — 8th of 12 months, versus 7.3/10 for the best month here.
Expect 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, 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 — off-season conditions
Hardest · 4.8/10Days in September average 29°C (84°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
152 mm of rain makes this a wet month here, though with about 27 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 4.8/10 on the same scale — 10th of 12 months, versus 7.3/10 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, 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) and humidity near 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 149 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 4.7/10 here, 11th of 12 months, against 7.3/10 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, footwear you can get muddy.
Flexible dates? February scores 2.6 points higher here — enough to change the trip.
November in Roseau — off-season conditions
Hardest · 4.5/10November averages 28°C (82°F) and humidity near 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 days with 6+ hours of sunshine 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.
Plan for 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, footwear you can get muddy.
Flexible dates? February scores 2.8 points higher here — enough to change the trip.
December in Roseau — workable with trade-offs
Trade-offs · 6.1/10Days in December average 27°C (80°F) and humidity near 76% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 63 mm of rain this month — a flexible day or two helps — with about 20 days with 6+ hours of sunshine and 11.1 hours of daylight to work around it.
That is 6.1/10 on the same scale — 5th of 12 months, versus 7.3/10 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 packable rain layer, footwear you can get muddy.
