Cayenne Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Cayenne, French Guiana. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Seasonal sunshine in Cayenne varies. It peaks at 256 hours in October and drops to 93 hours in February. The total annual amount of sun is 2024 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Cayenne. While October receives considerable daily sunshine with up to 8.5 hours, February marks the darkest time of the year, where sunshine is scarce with only 3.1 hours of sunlight per day.

Cayenne enjoys an average of 2024 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

May, Cayenne’s wettest month, receives 75 mm (3 in) of rainfall and has a maximum daytime temperature of 30°C (86°F). During the driest month September you can expect a temperature of 32°C (90°F).

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