Roseau Weather in December
Roseau in December sees high daytime temperatures of 28°C (82°F) and nighttime lows of 25°C (77°F). Rainfall is fairly high this month at around 74 mm (2.9 in), so pack a rain jacket to stay dry.
Rainfall in Roseau in December
You can typically expect 19 days of rain this month, averaging around 74 mm (2.9 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Roseau in December
Roseau in December is worth a visit. The temperature is perfect, with 28°C (82°F) during the day and 25°C (77°F) at night. 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 December
Expect a lot of sunshine this month, with about 190 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June and December typically offer the best weather for Roseau.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Dominica, check out our Roseau's climate page.
Roseau Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
62%
Precipitation
74 mm (2.9 in)
Rainy days
19 days
Humidity
72% *
Sunshine
190 hours *
Percentage Sunshine
*
Daily Historical Temperatures
37-year average (1983-2025)
Based on our historical records, temperatures in Roseau typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Historical weather for Roseau in December
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 December
Based on 22 years of weather observations (2003-2025), these are the most extreme conditions recorded in Roseau.
- On December 30, 2023, temperatures climbed to 33°C (91°F), marking the warmest December day on record.
- The lowest daytime temperature in December was 26°C (79°F), recorded on December 25, 2025.
Best Places in Dominica in December
Find out more about the weather in Dominica and which places have the best travel conditions in this month. See all of Dominica in December →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Roseau in December
Warm but pleasant conditions in Roseau in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Roseau in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Dominica, check out our Roseau's climate page.
Temperature Rainfall Sunshine Humidity
See the full Roseau climate overview or explore weather in Dominica.
