Measurements:
°C
°F
Porto Santo Island
66°F
S 18 mph
Feels like: 66°F
Precip: 0%
World Resorts Portugal Porto Santo Island Weather

7 Day Weather Forecast

05.30
sat
DAY
66°F
S 18 mph
precip
0%
NIGHT
68°F
S 19 mph
precip
0%
05.31
sun
DAY
68°F
S 19 mph
precip
0%
NIGHT
68°F
S 18 mph
precip
0%
06.01
mon
DAY
68°F
S 17 mph
precip
0%
NIGHT
68°F
S 14 mph
precip
0%
06.02
tue
DAY
68°F
S 17 mph
precip
0%
NIGHT
68°F
S 19 mph
precip
0%
06.03
wed
DAY
68°F
S 16 mph
precip
0%
NIGHT
68°F
S 16 mph
precip
0%
06.04
thu
DAY
70°F
S 14 mph
precip
53%
NIGHT
70°F
SE 12 mph
precip
0%
06.05
fri
DAY
70°F
SE 9 mph
precip
0%
NIGHT
68°F
NW 14 mph
precip
100%

Porto Santo Island Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Porto Santo Island was 18.7°F. The maximum and minimum values were 18.1°F and 19.6°F respectively.

Porto Santo Island on the Weather Map

Best Time to Visit Porto Santo Island
The most sunny months:
May 12 days
August 12 days
April 11 days
The most warm months:
August 78.4 °F
September 77.5 °F
July 75.9 °F
Warmest sea temperature:
September 77.2 °F
August 76.3 °F
October 76.0 °F
The most cold months:
February 64.5 °F
March 64.9 °F
January 65.9 °F
The most rainy months:
October 3 days
November 3 days
February 2 days
The most windy months:
March 16 mph
February 15 mph
November 14 mph