Measurements:
°C
°F
Sao Miguel
66°F
NE 24 mph
Feels like: 66°F
Precip: 62%
World Resorts Portugal Sao Miguel Weather

Sao Miguel Sea Water Temperature

Current Sea Water Temperature:
+67.0°F
Maximum Sea Water Temperature in December: 70.2°F
Minimum Sea Water Temperature in December: 61.8°F
Average water temperature in December: 65.8°F

Sea Water Temperature for the Last 10 Days:

December 05 67.0°F November 30 67.0°F
December 04 67.2°F November 29 67.6°F
December 03 67.2°F November 28 68.0°F
December 02 66.8°F November 27 68.0°F
December 01 67.4°F November 26 67.4°F

When is the Warmest Sea for Sao Miguel?

According to our data for the last three years for Sao Miguel the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sao Miguel was 76.7°F. The maximum and minimum values were 75.0°F and 77.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sao Miguel was 75.5°F. The maximum and minimum values were 73.4°F and 76.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sao Miguel was 73.4°F. The maximum and minimum values were 71.4°F and 76.0°F respectively.

Best Time to Visit Sao Miguel
The most sunny months:
August 9 days
June 8 days
March 7 days
The most warm months:
August 79.8 °F
September 77.4 °F
July 76.8 °F
Warmest sea temperature:
August 76.7 °F
September 76.1 °F
July 73.3 °F
The most cold months:
February 62.6 °F
March 62.9 °F
January 63.5 °F
The most rainy months:
October 5 days
February 4 days
January 4 days
The most windy months:
December 16 mph
January 16 mph
March 15 mph

Sao Miguel on the Weather Map

Portugal Resorts:
NAME
Albufeira +58
Algarve +60
Cascais +62
Faro +60
Funchal +60
Lagos +60
Lisbon +60
Madeira +60
Ponta Delgada +66
Portimao +58
Porto +60
Porto Santo Island +66
Quarteira +58
Sao Miguel +66
Terceira Island +66
24 Hours Weather Forecast
Sao Miguel
Local time: 03:24
06 dec, saturday
0600 66°F
NE
24 mph
0900 66°F
NE
25 mph
1200 68°F
NE
28 mph
1500 66°F
NE
27 mph
1800 66°F
NE
29 mph
2100 66°F
NE
25 mph
07 dec, sunday
0000 64°F
SE
19 mph
0300 64°F
SE
8 mph