Alghero Weather in May
Alghero in May averages 21°C (70°F) during the day and 16°C (61°F) at night. Some rainfall is typical for this time of year.
Rainfall in Alghero in May
Historically, approximately 8 days this month are expected to have rain, averaging 38 mm (1.5 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Alghero in May
Weather in Alghero is at its perfect in May. Highs reach 21°C (70°F), while nights settle around 16°C (61°F). The difference between afternoon and evening temperatures is usually noticeable. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Alghero in May
There are approximately 271 hours of sunshine this month, resulting in mostly clear days.
Average water temperature in May
At 17°C (63°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
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 May
Min Temperature
16°C (61°F)
Max Temperature
21°C (70°F)
Water Temperature
17°C (63°F)
Chance of Rain
28%
Precipitation
38 mm (1.5 in)
Rainy days
8 days
Humidity
74%
Sunshine
271 hours
Percentage Sunshine
65%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Alghero typically rise from around 21°C (70°F) at the start of May to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 15°C (59°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Alghero in May
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 May
Based on weather observations in Alghero between 1976 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 23, 2009, with a maximum of 37°C (99°F).
- Alghero experienced its chilliest May day on May 6, 1991, reaching only 12°C (54°F).
- The coldest night in May in Alghero was on May 7, 2019, with a minimum of 3°C (37°F).
Best Places in Sardinia in May
Find out more about the weather in Sardinia and which places have the best travel conditions in this month. See all of Sardinia in May →
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What to Wear in Alghero in May
For Alghero in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. With water temperatures around 17°C (63°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Alghero in May
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.
