12.18
thu
thu
DAY

66°F
SE 11 mph
precip
64%
64%
NIGHT

68°F
E 14 mph
precip
100%
100%
12.19
fri
fri
DAY

66°F
SW 22 mph
precip
78%
78%
NIGHT

64°F
S 14 mph
precip
77%
77%
12.20
sat
sat
DAY

64°F
S 11 mph
precip
100%
100%
NIGHT

64°F
SE 15 mph
precip
68%
68%
12.21
sun
sun
DAY

66°F
SE 17 mph
precip
100%
100%
NIGHT

66°F
SE 19 mph
precip
82%
82%
12.22
mon
mon
DAY

66°F
SE 14 mph
precip
72%
72%
NIGHT

66°F
E 14 mph
precip
82%
82%
12.23
tue
tue
DAY

68°F
E 15 mph
precip
51%
51%
NIGHT

66°F
SE 13 mph
precip
100%
100%
12.24
wed
wed
DAY

66°F
S 15 mph
precip
23%
23%
NIGHT

66°F
S 16 mph
precip
100%
100%
Weather in
December
December
| Porto Santo Island |
14 day weather
forecast
forecast
| Porto Santo Island |
Monthly weather
averages
averages
| Porto Santo Island |
Sea water
temperature
temperature
| Porto Santo Island |
Porto Santo Island Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Porto Santo Island was 20.4°F. The maximum and minimum values were 19.6°F and 21.2°F respectively.
Portugal Resorts:
NAME
F°
| Albufeira | ![]() |
+54 |
| Algarve | ![]() |
+56 |
| Cascais | ![]() |
+58 |
| Faro | ![]() |
+56 |
| Funchal | ![]() |
+54 |
| Lagos | ![]() |
+56 |
| Lisbon | ![]() |
+52 |
| Madeira | ![]() |
+54 |
| Ponta Delgada | ![]() |
+60 |
| Portimao | ![]() |
+52 |
| Porto | ![]() |
+50 |
| Porto Santo Island | ![]() |
+66 |
| Quarteira | ![]() |
+54 |
| Sao Miguel | ![]() |
+60 |
| Terceira Island | ![]() |
+54 |




























