January · Dominica
Best time to visit Roseau in January Weather, crowds & prices
Weather in Roseau in January
Average temperature 26°C, 45 mm of rain, about 22 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
7.0/10
Ranked #3 of 12 months
- Avg temp
- 26°C
- Rainfall
- 45 mm
- Humidity
- 76%
- Days with 6h+ sun
- 22
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
January in Roseau scores 7.0/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 26°C, 45 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Roseau is Dominica's small capital, squeezed between the sea and steep rainforest mountains.
January in Roseau: strong conditions, 3rd of 12
January 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.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, footwear you can get muddy.
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.
Frequently asked
- What is the weather like in Roseau in January?
- In January, Roseau averages 26°C, 45 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 7.0/10.
- Is January a good time to visit Roseau?
- January earns a 7.0/10 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 January?
- Expect about 45 mm of rain in January. Average humidity is 76% and there are about 22 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.