Silhouette Island Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Silhouette Island.
Climate overview of Silhouette Island
Silhouette Island, in the Seychelles, experiences a tropical oceanic climate with consistently warm temperatures year-round. The island receives substantial rainfall throughout the year, with higher precipitation typically occurring during the northwest monsoon season from September to February.
This amazing island attracts visitors to see its untouched tropical forests covering over 90% of the landmass and some of the world's most beautiful granite boulder beaches. The area also has excellent opportunities for hiking through endemic cloud forests and you will find exceptional snorkeling and diving in crystal-clear waters surrounding the island.
Let's now guide you through the climate details for a complete overview on the best tim time to visit.
Silhouette Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Silhouette Island — and find the best time to visit.
Monthly Temperature in Silhouette Island
In Silhouette Island temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 30°C (86°F) in April to a comfortable 27°C (81°F) in July.
Nighttime temperatures range from 27°C (81°F) in April to 25°C (77°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Silhouette Island
Silhouette Island experiences significant rainfall throughout the year, averaging 1629 mm (64 in) of precipitation annually. The seasons in Silhouette Island bring significant changes in precipitation. The wettest month, January, receives heavy rainfall, with an average of 231 mm (9.1 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 66 mm (2.6 in) over 16 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Silhouette Island Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Silhouette Island
Silhouette Island enjoys sunny spells year-round. May sees up to 8.5 hours of daily sunshine, perfect for a sunny trip. January, the least sunny month, still offers a generous 5.2 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Silhouette Island by Month
The city experiences its highest humidity in January, reaching 83%. In May, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Silhouette Island
To make the most of your visit, consider exploring early in the morning or during the pleasant late afternoon hours when the temperature is most comfortable.
Be aware that January and December constitute the rainy season, with significant precipitation. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Silhouette Island
What is the best time to visit Silhouette Island?
June, July and August typically offer the most optimal weather in Silhouette Island. In contrast, January, March, April and December tend to have less optimal conditions.
What temperatures can I expect in Silhouette Island?
Daytime highs range from 27°C (81°F) in July to 30°C (86°F) in April. Nighttime lows range from 25°C (77°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Silhouette Island get?
Annual rainfall is around 1629 mm (64 in). January is the wettest month with 231 mm (9.1 in), while July is the driest with 66 mm (2.6 in).
How sunny is Silhouette Island?
Silhouette Island receives around 2,542 hours of sunshine per year. May is the sunniest month with 254 hours, while January is the cloudiest with just 155 hours. Overall, Silhouette Island enjoys abundant sunshine.
Silhouette Island 3-Day Forecast
Silhouette Island 3-Day Forecast
Silhouette Island on the map
Silhouette Island is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
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