Roseau Weather and Climate: A Comprehensive Guide
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 maximum day and minimum 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, you can expect cooler temperatures, with averages dropping to around 24°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
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. For more details, please visit our Roseau Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
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. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Roseau.
The city experiences its highest humidity in November, reaching 74%. In April, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain partly cloudy and small chance of rain broken clouds and rainForecast for Roseau
Select a Month of Interest
Check the conditions for any month of 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.