Alghero weather in May
Italy

May in Alghero: warm, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Alghero · #708 of 1383 destinations to visit in May · comfort 80/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Alghero in May
Other months in Alghero
Alghero's forum calls late July hot and reliably sunny, nudging into the 30s°C with wall-to-wall sun — regulars say you'd be genuinely unlucky to see any rain or even much cloud. Typical Mediterranean pattern here: scorching summers, with any real rain not showing up again until November or December.
Add your own note from Alghero's card on the map.
Alghero climate normals — May
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 24°C / 75°F | |
| Sea temperature | 18°C / 64°F | 🧊 bracing |
| Rainfall | 61 mm / 2.4 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 12.1 h/day | |
| Daylight | 14.5 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Alghero in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Alghero's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherAlghero's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Alghero in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
The maestrale
15 Oct – 15 May · usuallyWind seasonRiskThe northwesterly comes straight at this coast for most of the cold half of the year. It is what cancels the Capo Caccia boats and what keeps the town's terraces facing inland.
Nearby, and something's on
Within 300 km of Alghero — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Alghero?
Alghero in May — FAQ
- Is May a good time to visit Alghero?
- May in Alghero: warm, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Alghero on SeasonMap's comfort score (80/100).
- What is the weather like in Alghero in May?
- In May, Alghero averages a daily high of 23.8°C and a low of 12°C, with about 61.3 mm of rain over roughly 8.5 rainy days.
- What is the air quality in Alghero in May?
- Alghero has a mean US Air Quality Index of about 47 in May.
Other months in Alghero
Compare Alghero in May
Warmer or cooler than Alghero in May
Similar destinations in Southern Europe — May
Within 300 km: Bonifacio's Lavezzi boat season around 15 Apr – 31 Oct, and Ajaccio's Saint-Erasme, the fishermen's feast around 30 May – 2 Jun.