Alghero in Summer
In summer (June, July and August), Alghero sees average daytime highs around 26°C and overnight lows near 21°C, with 27 mm of rain over about 5 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 22°C in early June to 26°C by late August. The sky is clear or mostly clear about 82% of the time across summer, and the air most often feels muggy.
Summer is Alghero's best season of the year to visit on our travel score. For the whole year in context, see Alghero's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 27 mm
- 5 wet days
- Avg wind
- 12 km/h
- Travel score
- 8.8
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Alghero in Summer
Over the season highs climb from about 22°C in early June to 26°C by late August.
A typical summer day in Alghero reaches about 26°C and drops to 21°C overnight. The warmest of the three months is August, the coolest June.
Alghero weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 13° / 10° | 52 | 8.6 | 9.4 | 3.9 |
| Feb | 13° / 9° | 50 | 8.1 | 10.4 | 3.8 |
| Mar | 15° / 11° | 44 | 7.5 | 11.7 | 4.8 |
| Apr | 17° / 12° | 50 | 8 | 13 | 5.7 |
| May | 20° / 16° | 35 | 5.4 | 14.2 | 7.3 |
| Jun | 24° / 19° | 15 | 2.6 | 14.8 | 8.7 |
| Jul | 26° / 22° | 5 | 0.9 | 14.6 | 9.0 |
| Aug | 27° / 22° | 7 | 1.6 | 13.6 | 8.6 |
| Sep | 24° / 20° | 35 | 5.1 | 12.3 | 8.1 |
| Oct | 21° / 17° | 66 | 8.1 | 10.9 | 7.1 |
| Nov | 17° / 14° | 92 | 11.1 | 9.7 | 5.5 |
| Dec | 14° / 11° | 71 | 9.9 | 9.2 | 4.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 82% of the time across summer.
Chance of precipitation in Summer
Alghero gets around 27 mm of rain over 5 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 42 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.2 kWh/m².
Hazard calendar for Alghero
None of Alghero's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Alghero's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Alghero?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Alghero for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Alghero in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Alghero sees daytime highs around 26°C and nights near 21°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.
Sea temperature near Alghero in Summer
The nearest coast averages about 23°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in August at about 25°C and coldest in February near 14°C.
It's comfortable for a long swim from Jun 8 to Oct 27 — about 4.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 14 | 14 | 15 | 18 | 21 | 24 | 25 | 23 | 21 | 18 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 18 | Cool |
| Dec | 16 | Cool |
UV index in Alghero in Summer
Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Alghero peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 4 | 7 | 8 | 10 | 7 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 4 | Moderate |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Alghero in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Alghero is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 10 | 13 | 13 | 13 | 11 | 15 | 10 | 10 | 9 | 8 | 7 |
| Level | Good | Good | Moderate | Moderate | Moderate | Good | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 13 | Moderate |
| Apr | 13 | Moderate |
| May | 13 | Moderate |
| Jun | 11 | Good |
| Jul | 15 | Moderate |
| Aug | 10 | Good |
| Sep | 10 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Alghero?
Alghero sits at 40.6°N, 8.3°E, 7 m above sea level, in Italy. The nearest listed city is Sassari, 27 km away.
Topography around Alghero
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alghero.
Within 3 km, the terrain around Alghero has only modest variations in elevation — a maximum elevation change of 116 m around an average of 20 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 712 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,336 m.
The land around Alghero is covered by water (45%) and trees (24%) within 3 km, water (39%), grassland (27%) and trees (22%) within 16 km, and water (48%), trees (22%) and grassland (20%) within 80 km.
Italy travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 230 V · 50 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $43,309
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 513
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Alghero (40.5597°, 8.3195°, elevation 7 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.