Measurements:
°C
°F
Alghero
56°F
W 6 mph
Feels like: 54°F
Precip: 0%
World Resorts Italy Alghero Weather

7 Day Weather Forecast

12.18
thu
DAY
64°F
W 5 mph
precip
0%
NIGHT
60°F
W 5 mph
precip
0%
12.19
fri
DAY
62°F
N 3 mph
precip
0%
NIGHT
58°F
NW 5 mph
precip
0%
12.20
sat
DAY
62°F
W 4 mph
precip
0%
NIGHT
56°F
W 4 mph
precip
0%
12.21
sun
DAY
60°F
N 14 mph
precip
0%
NIGHT
56°F
N 6 mph
precip
73%
12.22
mon
DAY
58°F
N 16 mph
precip
100%
NIGHT
54°F
N 21 mph
precip
100%
12.23
tue
DAY
58°F
E 22 mph
precip
100%
NIGHT
54°F
E 11 mph
precip
100%
12.24
wed
DAY
58°F
N 14 mph
precip
51%
NIGHT
56°F
NW 12 mph
precip
74%

Alghero Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Alghero was 16.7°F. The maximum and minimum values were 16.4°F and 17.4°F respectively.

Alghero on the Weather Map

Best Time to Visit Alghero
The most sunny months:
July 29 days
August 28 days
June 25 days
The most warm months:
August 88.4 °F
July 87.6 °F
September 81.8 °F
Warmest sea temperature:
August 79.7 °F
July 78.1 °F
September 77.6 °F
The most cold months:
January 56.3 °F
February 56.5 °F
December 59.6 °F
The most rainy months:
November 5 days
December 3 days
March 3 days
The most windy months:
January 12 mph
December 11 mph
November 11 mph