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Roseau Weather in January
During January, Roseau experiences high daytime temperatures of 27°C (81°F) and cooler nights around 24°C (75°F). Some rainfall is typical during this period.
Rainfall in Roseau in January
Historically, the month has about 18 days of rain, averaging 56 mm (2.2 in) in total. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Roseau in January
Weather in Roseau is at its excellent in January. Highs reach 27°C (81°F), while nights settle around 24°C (75°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Roseau in January
Expect sunny days throughout the month, with an estimated 199 hours of sunshine. This makes it a pleasant time to visit Roseau.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Roseau Temperature in January
Min Temperature
24°C (75°F)
Max Temperature
27°C (81°F)
Chance of Rain
61%
Precipitation
56 mm (2.2 in)
Rainy days
18 days
Humidity
70% *
Sunshine
199 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
43-year average (1976-2026)
Based on our historical records, temperatures in Roseau typically stay consistent throughout January, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in January
Historical weather records for Roseau in January
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 January
Based on 21 years of weather observations (2004-2025), these are the most extreme conditions recorded in Roseau.
- The hottest January day on record in Roseau reached 34°C (93°F) (January 13, 2024).
- On January 23, 2007, Roseau saw its coldest January day with temperatures maxing out at 26°C (79°F).
- The coldest night in January in Roseau was on January 27, 2008, with a minimum of 18°C (64°F).
Best Places in Dominica in January
Find out more about the weather in Dominica and which places have the best travel conditions in this month. See all of Dominica in January →
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 January
Warm but pleasant conditions in Roseau in January. 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Roseau in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming7/10 -
Cycling8/10 -
Walking8/10 -
Camping8/10 -
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 January
Where to go in January - average daytime high across popular destinations.
Portsmouth
27°C (81°F) Castle Bruce27°C (81°F) Scotts Head Village27°C (81°F) Salisbury27°C (81°F) Marigot27°C (81°F) Calibishie27°C (81°F) Roseau27°C (81°F) Pont Cassé27°C (81°F) Bucket list
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