Roseau Climate by Month
Roseau maintains a fairly consistent warm average temperature.
It also experiences much rainfall throughout the year.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
The temperature in Roseau remains steady throughout the year, providing a consistently comfortable climate. Average daytime temperatures reach a comfortable 29°C in September. In February, the coolest month of the year, temperatures drop to a comfortable 27°C. At night, expect cooler temperatures, averaging 24°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Roseau has a relatively rainy climate with high precipitation levels, averaging 1053 mm of rainfall annually. Roseau can be quite wet during October, receiving approximately 146 mm of precipitation over 19 rainy days. In contrast March, experiences much drier conditions, with 38 mm of rainfall, spread across 15 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Roseau experiences moderate variation in sunshine hours across the seasons. With 8.2 hours daily sunshine in April, it dips to 6.3 hours in December, offering a balanced mix of sunny and overcast days.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Roseau.
Relative humidity over the year
The best time of year to visit Roseau in Dominica
The best time to visit is during the drier months: February, March and April.Other facts from our historical weather data:
September has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 27°C.
October tops the wettest month list with 146 mm of rainfall.
March is the driest month with 38 mm of precipitation.
April is the sunniest month with an average of 245 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
