Alghero climate — normals and trends
Alghero (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.9 °C and it receives 560 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (24.3 °C on average) and the coldest is January (11.0 °C). Rainfall peaks in November.
Alghero averages 0 frost days, 5 hot days (≥ 30 °C) and 87 rainy days per year.
Alghero has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.1 °C (on 26 July 1983) and the coldest 0.7 °C (on 23 January 1963).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
AlgheroSardinia
- coords
- 40.56°, 8.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.9°C
Average daily high
18.9°C
Average daily low
15.1°C
Annual rainfall
560mm
Sunshine / day
10.6h
Mean relative humidity
76%
Average peak wind
22.1km/h
Seasonal range
13.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
87 d/yr
Annual snowfall
0.3 cm
Average feels-like high
18.5 °C
Average feels-like low
13.7 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
83 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.49 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
36.1 °C
26 July 1983
Coldest day
0.7 °C
23 January 1963
Wettest day
70 mm
24 November 2016
Windiest day
70.5 km/h
29 October 2018
Strongest gust
115.6 km/h
29 October 2018
Hottest feels-like
39.3 °C
18 July 2023
Coldest feels-like
-7.7 °C
2 February 1956
Snowiest day
6.0 cm
2 February 1956
Sunniest day
14.9 h
23 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 14.3 °C | +1.7 °C | 43 mm | -22 mm |
| Feb | 14.5 °C | +1.8 °C | 28 mm | -32 mm |
| Mar | 16.0 °C | +2.0 °C | 78 mm | +27 mm |
| Apr | 17.5 °C | +1.3 °C | 87 mm | +39 mm |
| May | 21.1 °C | +1.6 °C | 10 mm | -24 mm |
| Jun | 27.5 °C | +4.2 °C | 0 mm | -13 mm |
| Jul | 27.4 °C | +1.4 °C | 2 mm | -2 mm |
| Aug | 27.6 °C | +1.1 °C | 4 mm | -4 mm |
| Sep | 25.5 °C | +1.3 °C | 44 mm | +9 mm |
| Oct | 21.9 °C | +1.0 °C | 32 mm | -35 mm |
| Nov | 17.6 °C | +0.8 °C | 73 mm | -22 mm |
| Dec | 15.1 °C | +1.3 °C | 84 mm | +4 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Alghero?
Alghero has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.9 °C and it receives 560 mm of precipitation per year.
What is the hottest day ever recorded in Alghero?
The hottest day measured in Alghero between 1940 and 2025 was 26 July 1983, reaching 36.1 °C.
What is the coldest day in Alghero?
The coldest day measured in Alghero between 1940 and 2025 was 23 January 1963, at 0.7 °C.
Does it snow in Alghero?
Almost never: Alghero sees virtually no snow, with about 0 frost days per year.
Has the climate of Alghero warmed?
Yes: Alghero warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alghero?
The wettest day measured in Alghero between 1940 and 2025 was 24 November 2016, with 70 mm of rain in 24 hours.
What was the windiest day in Alghero?
The windiest day measured in Alghero between 1940 and 2025 was 29 October 2018, with winds reaching 70.5 km/h.
What is the warmest month in Alghero?
The warmest month in Alghero is August (24.3 °C on average); the coldest is January (11.0 °C).
How much does it rain in Alghero?
Alghero receives on average 560 mm of precipitation per year, spread over about 87 rainy days.
Is it sunny in Alghero?
Alghero gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alghero?
The heaviest 24-hour snowfall measured in Alghero between 1940 and 2025 was 2 February 1956, with 6.0 cm.
Are there tropical nights in Alghero?
Yes: Alghero has on average 83 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alghero?
In Alghero, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 18 July 2023, and the lowest was -7.7 °C on 2 February 1956.
Compare Alghero with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alghero