Grande Riviere Weather & Climate: Best Time to Visit

With minimal seasonal shifts, Grande Riviere experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in September to a comfortable 28°C (82°F) in the coolest month, February.

Nights vary from 26°C (79°F) in September to around 24°C (75°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Grande Riviere has a notably wet climate with abundant precipitation, recording 1566 mm (62 in) of rainfall per year. The climate in Grande Riviere shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 196 mm (7.7 in) of precipitation over 25 rainy days.

In contrast, the driest month March offers drier and sunnier days, with around 49 mm (1.9 in) of rainfall over 10 rainy days. For more details, please visit our Grande Riviere Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Grande Riviere offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between March (8.2 hours daily) and June (6.2 hours daily) provides a bit of variety for visitors and residents.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in November, reaching 86%. In March, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year