Main image

Simisa CC BY-SA 4.0 Wikimedia Commons

Assumption Island

Island

A low coral island in the Outer Islands of Seychelles, known for white-sand beaches, reef diving, fishing and nesting seabirds. Visitors arrive by boat for snorkeling, scuba and quiet beaches away from Mahé's main tourist hubs.

Assumption Island VictoriaPraslinLa DigueAssumption Island

Assumption Island essentials

Address: Assumption Island, Outer Islands, Seychelles
GoogleAppleOSM
When to Go

Best Time to Visit Assumption Island

Visit during the drier trade-wind months (May-October) or the calm intermonsoon months (April, October) for the best marine conditions.

Southeast trade-wind season (drier)
May-October · 24-29°C
Generally drier and breezier-good for snorkeling, diving and boating; seas are often calmer during the intermonsoon windows.
Northwest monsoon (wetter)
November-March · 24-30°C
Warmer, wetter months with more rain and occasionally rougher seas; some marine activities may be affected.
Best intermonsoon windows
April and October · 24-29°C
Often the calmest seas and best overall conditions for diving and boat access.

Weather & Climate near Assumption Island

Climate

Tropical climate with consistently warm temperatures year-round. Temperatures range from 21°C to 31°C. Moderate rainfall (954 mm/year) with a pronounced dry season.

Air Quality: AQI 18 Good
Best Time to Visit
OctoberSeptemberAugust
Temperature & Rainfall
Temperature Range
30°
Warmest Month
22°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Very Good 25° - 31° 31° 192 mm partly cloudy 78% 3.2 m/s 2.7 extreme 12.5h
February Very Good 25° - 31° 31° 118 mm partly cloudy 78% 2.9 m/s 2.9 extreme 12.3h
March Very Good 25° - 31° 32° 172 mm partly cloudy 79% 2.9 m/s 2.8 extreme 12.0h
April Very Good 24° - 31° 31° 112 mm partly cloudy 79% 2.6 m/s 2.5 extreme 11.8h
May Excellent 24° - 30° 30° 45 mm some cloud 78% 3.3 m/s 2.1 extreme 11.6h
June Excellent 22° - 29° 26° 37 mm partly cloudy 77% 4.3 m/s 1.9 very high 11.5h
July Excellent 22° - 28° 25° 37 mm partly cloudy 77% 4.5 m/s 1.9 very high 11.5h
August Ideal 21° - 28° 25° 20 mm some cloud 78% 3.9 m/s 2.3 extreme 11.7h
September Ideal 22° - 29° 25° 8 mm some cloud 78% 3.3 m/s 2.6 extreme 11.9h
October Ideal 23° - 29° 26° 10 mm mostly sunny 79% 3.1 m/s 2.8 extreme 12.2h
November Excellent 24° - 30° 30° 50 mm some cloud 78% 3.4 m/s 2.9 extreme 12.4h
December Very Good 24° - 31° 31° 153 mm some cloud 77% 3.9 m/s 2.8 extreme 12.5h
Getting There & Around

How to Get to Assumption Island

Assumption Island is one of the Seychelles’ outer islands and has no regular public ferry service. It is reached only by private yacht or by charter flight from Mahé (Victoria); charter flights land on the island’s airstrip and private vessels make multi‑hour passages. Visitors generally need prior permission from Seychelles authorities or tour operators to land.