Castro del Río climate — normals and trends
Castro del Río (Spain) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.2 °C and it receives 491 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 July (27.4 °C on average) and the coldest is January (8.3 °C). Rainfall peaks in December.
Castro del Río averages 11 frost days, 95 hot days (≥ 30 °C) and 70 rainy days per year.
Castro del Río has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 17 to 5 per year over the period.
The hottest day of the period reached 44.4 °C (on 13 July 2017) and the coldest -8.0 °C (on 13 February 1983).
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
Castro del RíoAndalusia
- coords
- 37.69°, -4.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.2°C
Average daily high
23.0°C
Average daily low
11.5°C
Annual rainfall
491mm
Sunshine / day
10.5h
Mean relative humidity
62%
Average peak wind
13.3km/h
Seasonal range
19.1°C
Frost days (< 0 °C)
11 d/yr
Hot days (≥ 30 °C)
95 d/yr
Rainy days (≥ 1 mm)
70 d/yr
Annual snowfall
0.6 cm
Average feels-like high
22.2 °C
Average feels-like low
10.2 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
40 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.54 · 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
44.4 °C
13 July 2017
Coldest day
-8.0 °C
13 February 1983
Wettest day
60 mm
7 November 1982
Windiest day
48.4 km/h
6 November 1997
Strongest gust
109.1 km/h
6 November 1997
Hottest feels-like
45.8 °C
13 July 2022
Coldest feels-like
-11.8 °C
13 February 1983
Snowiest day
4.8 cm
12 February 1983
Sunniest day
14.5 h
26 June 1942
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 | 15.4 °C | +2.1 °C | 72 mm | +15 mm |
| Feb | 17.6 °C | +2.5 °C | 35 mm | -21 mm |
| Mar | 16.9 °C | -1.1 °C | 183 mm | +122 mm |
| Apr | 21.9 °C | +1.3 °C | 60 mm | +11 mm |
| May | 27.2 °C | +2.3 °C | 38 mm | +4 mm |
| Jun | 36.2 °C | +6.0 °C | 8 mm | -7 mm |
| Jul | 37.0 °C | +2.6 °C | 0 mm | -3 mm |
| Aug | 38.0 °C | +3.9 °C | 4 mm | -1 mm |
| Sep | 32.4 °C | +2.7 °C | 5 mm | -20 mm |
| Oct | 27.6 °C | +3.9 °C | 36 mm | -18 mm |
| Nov | 18.3 °C | +0.8 °C | 79 mm | +15 mm |
| Dec | 13.9 °C | -0.1 °C | 85 mm | +16 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 Castro del Río?
Castro del Río has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.2 °C and it receives 491 mm of precipitation per year.
What is the hottest day ever recorded in Castro del Río?
The hottest day measured in Castro del Río between 1940 and 2025 was 13 July 2017, reaching 44.4 °C.
What is the coldest day in Castro del Río?
The coldest day measured in Castro del Río between 1940 and 2025 was 13 February 1983, at -8.0 °C.
Does it snow in Castro del Río?
Almost never: Castro del Río sees virtually no snow, with about 11 frost days per year.
Has the climate of Castro del Río warmed?
Yes: Castro del Río warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Castro del Río?
The wettest day measured in Castro del Río between 1940 and 2025 was 7 November 1982, with 60 mm of rain in 24 hours.
What was the windiest day in Castro del Río?
The windiest day measured in Castro del Río between 1940 and 2025 was 6 November 1997, with winds reaching 48.4 km/h.
What is the warmest month in Castro del Río?
The warmest month in Castro del Río is July (27.4 °C on average); the coldest is January (8.3 °C).
How much does it rain in Castro del Río?
Castro del Río receives on average 491 mm of precipitation per year, spread over about 70 rainy days.
Is it sunny in Castro del Río?
Castro del Río gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Castro del Río?
The heaviest 24-hour snowfall measured in Castro del Río between 1940 and 2025 was 12 February 1983, with 4.8 cm.
Are there tropical nights in Castro del Río?
Yes: Castro del Río has on average 40 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Castro del Río?
In Castro del Río, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 13 July 2022, and the lowest was -11.8 °C on 13 February 1983.
Compare Castro del Río with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Castro del Río