Measurements:
°C
°F
Ilha de Santiago
78°F
SW 11 mph
Feels like: 82°F
Precip: 100%
World Resorts Cape Verde Ilha de Santiago Weather

Ilha de Santiago Sea Water Temperature

Current Sea Water Temperature:
+81.2°F
Maximum Sea Water Temperature in December: 82.8°F
Minimum Sea Water Temperature in December: 76.4°F
Average water temperature in December: 80.0°F

Sea Water Temperature for the Last 10 Days:

December 05 81.2°F November 30 81.8°F
December 04 81.4°F November 29 81.8°F
December 03 81.4°F November 28 82.0°F
December 02 81.6°F November 27 82.4°F
December 01 81.8°F November 26 82.2°F

When is the Warmest Sea for Ilha de Santiago?

According to our data for the last three years for Ilha de Santiago the highest average sea water temperature was in October, September and August.

Average Water Temperature by Month, °F

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Ilha de Santiago was 84.9°F. The maximum and minimum values were 83.8°F and 86.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Ilha de Santiago was 85.0°F. The maximum and minimum values were 83.6°F and 86.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Ilha de Santiago was 83.0°F. The maximum and minimum values were 81.0°F and 85.0°F respectively.

Best Time to Visit Ilha de Santiago
The most sunny months:
May 28 days
March 26 days
April 26 days
The most warm months:
October 87.6 °F
September 87.5 °F
August 86.4 °F
Warmest sea temperature:
October 84.8 °F
September 84.8 °F
August 83.3 °F
The most cold months:
February 77.8 °F
March 78.1 °F
January 79.3 °F
The most rainy months:
September 4 days
October 2 days
August 2 days
The most windy months:
February 16 mph
January 15 mph
March 15 mph

Ilha de Santiago on the Weather Map

Cape Verde Resorts:
NAME
Boa Vista +76
Brava +70
Fogo +70
Ilha de Santiago +78
Maio +76
Praia +78
Sal +78
Santa Luzia +72
Santo Antao +72
Sao Nicolau +78
Sao Vincente +72
24 Hours Weather Forecast
Ilha de Santiago
Local time: 03:04
06 dec, saturday
0600 78°F
SW
11 mph
0900 78°F
SW
12 mph
1200 80°F
SW
15 mph
1500 80°F
SW
12 mph
1800 78°F
SW
13 mph
2100 78°F
SW
12 mph
07 dec, sunday
0000 78°F
SW
12 mph
0300 78°F
SW
12 mph