May · Dominica
Best time to visit Roseau in May Weather, crowds & prices
Weather in Roseau in May
Average temperature 28°C, 72 mm of rain, about 31 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
5.9/10
Ranked #6 of 12 months
- Avg temp
- 28°C
- Rainfall
- 72 mm
- Humidity
- 79%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Roseau scores 5.9/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 28°C, 72 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Roseau is Dominica's small capital, squeezed between the sea and steep rainforest mountains.
May in Roseau — workable with trade-offs
Days 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.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Roseau in May?
- In May, Roseau averages 28°C, 72 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 5.9/10.
- Is May a good time to visit Roseau?
- May earns a 5.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Roseau in May?
- Expect about 72 mm of rain in May. Average humidity is 79% and there are about 31 days with 6+ hours of sunshine.
Curated in Roseau
Tickets & experiences
Things to do in Roseau
Roseau, Dominica. Live activities and tours from GetYourGuide, matched to this destination.