December · Dominica
Best time to visit Roseau in December Weather, crowds & prices
Weather in Roseau in December
Average temperature 27°C, 63 mm of rain, about 20 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.1/10
Ranked #5 of 12 months
- Avg temp
- 27°C
- Rainfall
- 63 mm
- Humidity
- 76%
- Days with 6h+ sun
- 20
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in Roseau scores 6.1/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 27°C, 63 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Roseau is Dominica's small capital, squeezed between the sea and steep rainforest mountains.
December in Roseau — workable with trade-offs
Days 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.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Roseau in December?
- In December, Roseau averages 27°C, 63 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 6.1/10.
- Is December a good time to visit Roseau?
- December earns a 6.1/10 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 December?
- Expect about 63 mm of rain in December. Average humidity is 76% and there are about 20 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.