Measurements:
°C
°F
Santa Maria Island
70°F
W 17 mph
Feels like: 70°F
Precip: 23%
World Resorts Portugal Santa Maria Island Weather

Santa Maria Island Sea Water Temperature

Current Sea Water Temperature:
+75.0°F
Maximum Sea Water Temperature in October: 78.2°F
Minimum Sea Water Temperature in October: 69.0°F
Average water temperature in October: 74.4°F

Sea Water Temperature for the Last 10 Days:

October 18 75.0°F October 13 74.8°F
October 17 75.4°F October 12 74.8°F
October 16 76.0°F October 11 75.0°F
October 15 75.8°F October 10 75.0°F
October 14 75.2°F October 09 75.2°F

When is the Warmest Sea for Santa Maria Island?

According to our data for the last three years for Santa Maria Island the highest average sea water temperature was in August, September and October.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Santa Maria Island was 77.5°F. The maximum and minimum values were 75.8°F and 79.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Santa Maria Island was 78.1°F. The maximum and minimum values were 75.4°F and 80.2°F respectively.

Sea Water Temperature in October

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Santa Maria Island was 75.2°F. The maximum and minimum values were 74.8°F and 76.0°F respectively.

Best Time to Visit Santa Maria Island
The most sunny months:
August 9 days
June 8 days
July 8 days
The most warm months:
August 79.5 °F
September 77.7 °F
July 76.1 °F
Warmest sea temperature:
August 77.6 °F
September 77.2 °F
October 74.4 °F
The most cold months:
March 62.8 °F
February 63.1 °F
April 64.2 °F
The most rainy months:
October 5 days
April 4 days
December 4 days
The most windy months:
December 18 mph
January 18 mph
November 17 mph

Santa Maria Island on the Weather Map

Portugal Resorts:
NAME
F°
Albufeira +68
Algarve +68
Cascais +64
Ericeira +56
Faro +68
Funchal +54
Lagos +66
Lisbon +64
Madeira +54
Ponta Delgada +68
Portimao +60
Porto +54
Quarteira +68
Sao Miguel +68
Setubal +56
24 Hours Weather Forecast
Santa Maria Island
Local time: 05:12
19 oct, monday
0600 70°F
W
17 mph
0900 70°F
SW
16 mph
1200 68°F
SW
15 mph
1500 68°F
SW
13 mph
1800 70°F
SW
11 mph
2100 70°F
SW
12 mph
20 oct, tuesday
0000 70°F
SW
10 mph
0300 70°F
S
13 mph