Alcanar climate — normals and trends
Alcanar (Spain) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.6 °C and it receives 512 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 (24.8 °C on average) and the coldest is January (9.5 °C). Rainfall peaks in October.
Alcanar averages 1 frost days, 10 hot days (≥ 30 °C) and 69 rainy days per year.
Alcanar has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 3 to 0 per year over the period.
The hottest day of the period reached 36.0 °C (on 17 August 2025) and the coldest -4.6 °C (on 11 February 1956).
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
AlcanarCatalonia
- coords
- 40.54°, 0.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.6°C
Average daily high
20.0°C
Average daily low
13.3°C
Annual rainfall
512mm
Sunshine / day
10.6h
Mean relative humidity
69%
Average peak wind
19.2km/h
Seasonal range
15.3°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
69 d/yr
Annual snowfall
2.1 cm
Average feels-like high
19.5 °C
Average feels-like low
11.7 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
66 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.69 · 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
36.0 °C
17 August 2025
Coldest day
-4.6 °C
11 February 1956
Wettest day
118 mm
29 September 1994
Windiest day
67.1 km/h
14 January 1987
Strongest gust
120.6 km/h
14 January 1987
Hottest feels-like
40.0 °C
17 August 2025
Coldest feels-like
-14.3 °C
3 February 1956
Snowiest day
12.3 cm
25 January 1947
Sunniest day
14.0 h
9 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 15.1 °C | +2.0 °C | 13 mm | -26 mm |
| Feb | 15.0 °C | +1.0 °C | 14 mm | -17 mm |
| Mar | 15.2 °C | -0.7 °C | 117 mm | +74 mm |
| Apr | 18.8 °C | +1.0 °C | 24 mm | -21 mm |
| May | 22.5 °C | +1.5 °C | 28 mm | -14 mm |
| Jun | 28.6 °C | +3.6 °C | 1 mm | -23 mm |
| Jul | 29.6 °C | +1.7 °C | 49 mm | +35 mm |
| Aug | 30.8 °C | +2.7 °C | 2 mm | -27 mm |
| Sep | 26.5 °C | +1.1 °C | 104 mm | +40 mm |
| Oct | 22.3 °C | +0.9 °C | 107 mm | +29 mm |
| Nov | 17.9 °C | +1.0 °C | 21 mm | -35 mm |
| Dec | 14.6 °C | +0.7 °C | 122 mm | +74 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 Alcanar?
Alcanar has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.6 °C and it receives 512 mm of precipitation per year.
What is the hottest day ever recorded in Alcanar?
The hottest day measured in Alcanar between 1940 and 2025 was 17 August 2025, reaching 36.0 °C.
What is the coldest day in Alcanar?
The coldest day measured in Alcanar between 1940 and 2025 was 11 February 1956, at -4.6 °C.
Does it snow in Alcanar?
Yes. Alcanar gets on average 2.1 cm of snow per year and has around 1 frost days.
Has the climate of Alcanar warmed?
Yes: Alcanar warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alcanar?
The wettest day measured in Alcanar between 1940 and 2025 was 29 September 1994, with 118 mm of rain in 24 hours.
What was the windiest day in Alcanar?
The windiest day measured in Alcanar between 1940 and 2025 was 14 January 1987, with winds reaching 67.1 km/h.
What is the warmest month in Alcanar?
The warmest month in Alcanar is August (24.8 °C on average); the coldest is January (9.5 °C).
How much does it rain in Alcanar?
Alcanar receives on average 512 mm of precipitation per year, spread over about 69 rainy days.
Is it sunny in Alcanar?
Alcanar 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 Alcanar?
The heaviest 24-hour snowfall measured in Alcanar between 1940 and 2025 was 25 January 1947, with 12.3 cm.
Are there tropical nights in Alcanar?
Yes: Alcanar has on average 66 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alcanar?
In Alcanar, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 17 August 2025, and the lowest was -14.3 °C on 3 February 1956.
Compare Alcanar with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alcanar