Average Monthly Sunshine in Roseau

The graphs on this page shows the average number of hours per month and per day that Roseau receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Roseau experiences sunny spells throughout the year. The sunniest month, April, sees up to 245 hours of sunshine, while December, the least sunny month, still provides a respectable 190 hours. The total annual sunshine amounts to 2630 hours.

Daily hours of sunshine

Enjoy up to 8.2 hours of daily sun in April, and experience slightly darker atmosphere in December, with about 6.3 hours of daily sunlight.

Roseau’s total hours of sunshine compared to other major cities

Roseau enjoys an average of 2630 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

October, Roseau’s wettest month, receives 142 mm of rainfall and has a maximum daytime temperature of 29°C. During the driest month March you can expect a temperature of 27°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Roseau Precipitation page.