Winter (December to February)
Pleasant warmth with highs around 26° and lows near 23°, very frequent rain (15 rainy days per month on average). A decent time to go, as long as you're willing to make a few compromises.
No month ticks every box in Roseau, so here's the month-by-month breakdown to help you pick the least bad time.
Best time to go
No ideal time
Hottest month
September · 29°
Coldest month
February · 23°
Wettest month
September · 140 mm
Bars: monthly rainfall. Lines: average highs and lows. Month color: our travel comfort index.
26° / 23°
26° / 23°
26° / 23°
27° / 24°
28° / 24°
28° / 25°
28° / 25°
28° / 25°
29° / 25°
28° / 25°
27° / 24°
27° / 24°
2014–2023 averages from the ERA5 reanalysis (Copernicus) via Open-Meteo. A day counts as a “rainy day” from 1 mm of rain.
Pleasant warmth with highs around 26° and lows near 23°, very frequent rain (15 rainy days per month on average). A decent time to go, as long as you're willing to make a few compromises.
Pleasant warmth with highs around 27° and lows near 24°, very frequent rain (16 rainy days per month on average). A decent time to go, as long as you're willing to make a few compromises.
Pleasant warmth with highs around 28° and lows near 25°, very frequent rain (20 rainy days per month on average). Not an ideal time for a leisure trip.
Pleasant warmth with highs around 28° and lows near 25°, very frequent rain (20 rainy days per month on average). Not an ideal time for a leisure trip.