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Roseau Weather in May
In Roseau, May brings high daytime temperatures around 28°C (82°F), with nights cooling to 25°C (77°F). Expect quite a bit of rainfall this month.
Rainfall in Roseau in May
Typically, you can expect about 17 days of rain this month, with 66 mm (2.6 in) on average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Roseau in May
May is a good time to be in Roseau. Days are excellent, reaching 28°C (82°F), with nights around 25°C (77°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Roseau in May
Expect a lot of sunshine this month, with about 243 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Roseau Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
57%
Precipitation
66 mm (2.6 in)
Rainy days
17 days
Humidity
67% *
Sunshine
243 hours *
Percentage Sunshine
*
* Data from: Douglas-Charles Airport, Dominica (28 KM, 17 Miles).
Roseau Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Roseau - and find the best time to visit.
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Roseau typically stay consistent throughout May, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in May
Historical weather records for Roseau in May
Browse day-by-day weather records for Roseau spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Roseau historical weather extremes in May
According to our 23 years of weather records for Roseau, the following extremes were recorded between 2003 and 2026.
- On May 14, 2010, temperatures climbed to 37°C (99°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 27°C (81°F), recorded on May 10, 2014.
- The lowest overnight temperature recorded in May was 9°C (48°F) (May 24, 2023).
Best Places in Dominica in May
Find out more about the weather in Dominica and which places have the best travel conditions in this month. See all of Dominica in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Roseau in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Roseau in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming9/10 -
Cycling8/10 -
Walking8/10 -
Camping7/10 -
Outdoor sports8/10
Roseau 3-Day Forecast
More climate data for Roseau
Temperature Rainfall Sunshine Humidity
See the full Roseau climate overview or explore weather in Dominica.
Popular in May
Where to go in May - average daytime high across popular destinations.
Scotts Head Village
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