Alghero Weather in December
December in Alghero brings moderate temperatures around 16°C (61°F) during the day, dropping to 11°C (52°F) at night, with quite a bit of rainfall expected, averaging around 74 mm (2.9 in) for the month.
Rainfall in Alghero in December
Rain is expected on roughly 15 days, totalling around 74 mm (2.9 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Alghero in December
Temperatures in Alghero in December top out at 16°C (61°F) and drop to 11°C (52°F) overnight. December is part of winter. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Alghero in December
The area experiences a moderate amount of sunshine, with approximately 111 hours of sunlight expected. This means a decent mix of sun and overcast.
Average water temperature in December
With water at 16°C (61°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.December in Alghero has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sardinia, check out our Alghero's climate page.
Alghero Temperature in December
Min Temperature
11°C (52°F)
Max Temperature
16°C (61°F)
Water Temperature
16°C (61°F)
Chance of Rain
48%
Precipitation
74 mm (2.9 in)
Rainy days
15 days
Humidity
80%
Sunshine
111 hours
Percentage Sunshine
40%
Daily Historical Temperatures
40-year average (1976-2025)
Based on our historical records, temperatures in Alghero typically stay consistent throughout December, with daily highs averaging around 16°C (61°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in December
Daily Historical Precipitation
40-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Alghero in December
Browse day-by-day weather records for Alghero spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Alghero historical weather extremes in December
Our historical data for Alghero spans 1990 to 2025, revealing these weather extremes.
- The hottest December day on record in Alghero reached 22°C (72°F) (December 3, 2004).
- The lowest daytime temperature in December was 6°C (43°F), recorded on December 27, 1996.
- The coldest night in December in Alghero was on December 22, 1999, with a minimum of -3°C (27°F).
Best Places in Sardinia in December
Find out more about the weather in Sardinia and which places have the best travel conditions in this month. See all of Sardinia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Alghero in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 16°C (61°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Alghero in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sardinia, check out our Alghero's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Alghero climate overview or explore weather in Sardinia.
