Measurements:
°C
°F
Porto Santo Island
62°F
E 17 mph
Feels like: 64°F
Precip: 0%
World Resorts Portugal Porto Santo Island Weather

7 Day Weather Forecast

05.10
sun
DAY
64°F
E 17 mph
precip
0%
NIGHT
64°F
E 9 mph
precip
82%
05.11
mon
DAY
64°F
E 4 mph
precip
0%
NIGHT
64°F
E 12 mph
precip
0%
05.12
tue
DAY
64°F
NE 4 mph
precip
0%
NIGHT
64°F
SE 8 mph
precip
0%
05.13
wed
DAY
64°F
SE 6 mph
precip
0%
NIGHT
64°F
S 7 mph
precip
84%
05.14
thu
DAY
64°F
SE 12 mph
precip
0%
NIGHT
64°F
S 19 mph
precip
79%
05.15
fri
DAY
62°F
S 20 mph
precip
59%
NIGHT
64°F
NE 17 mph
precip
75%
05.16
sat
DAY
62°F
S 14 mph
precip
71%
NIGHT
64°F
S 16 mph
precip
100%

Porto Santo Island Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Porto Santo Island was 19.4°F. The maximum and minimum values were 18.4°F and 20.2°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