Costa Calma climate — normals and trends
Costa Calma (Spain) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 19.9 °C and it receives 66 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 September (22.9 °C on average) and the coldest is January (17.2 °C). Rainfall peaks in December.
Costa Calma averages 0 frost days, 1 hot days (≥ 30 °C) and 14 rainy days per year.
Costa Calma has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.1 °C (on 2 June 2010) and the coldest 11.6 °C (on 21 January 1957).
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
Costa CalmaCanary Islands
- coords
- 28.16°, -14.23°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.9°C
Average daily high
21.8°C
Average daily low
18.4°C
Annual rainfall
66mm
Sunshine / day
11.3h
Mean relative humidity
73%
Average peak wind
26.6km/h
Seasonal range
5.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
14 d/yr
Annual snowfall
0.0 cm
Average feels-like high
21.3 °C
Average feels-like low
16.8 °C
Average peak gust
39.5 km/h
Tropical nights (≥ 20 °C)
112 d/yr
Solar radiation
20.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.32 · 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
33.1 °C
2 June 2010
Coldest day
11.6 °C
21 January 1957
Wettest day
84 mm
24 October 1972
Windiest day
59.6 km/h
29 November 2005
Strongest gust
99.0 km/h
29 November 2005
Hottest feels-like
36.0 °C
12 August 1976
Coldest feels-like
4.2 °C
19 January 1994
Sunniest day
13.8 h
10 June 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 | 20.3 °C | +1.5 °C | 2 mm | -9 mm |
| Feb | 20.4 °C | +1.4 °C | 1 mm | -9 mm |
| Mar | 19.9 °C | +0.1 °C | 9 mm | +3 mm |
| Apr | 20.9 °C | +0.7 °C | 11 mm | +8 mm |
| May | 22.0 °C | +0.8 °C | 1 mm | +1 mm |
| Jun | 23.4 °C | +0.8 °C | 0 mm | 0 mm |
| Jul | 25.0 °C | +0.7 °C | 0 mm | +0 mm |
| Aug | 26.4 °C | +1.3 °C | 0 mm | -0 mm |
| Sep | 26.0 °C | +1.1 °C | 0 mm | -3 mm |
| Oct | 24.3 °C | +0.5 °C | 1 mm | -8 mm |
| Nov | 23.3 °C | +1.5 °C | 4 mm | -7 mm |
| Dec | 20.2 °C | +0.5 °C | 17 mm | +5 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 Costa Calma?
Costa Calma has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 66 mm of precipitation per year.
What is the hottest day ever recorded in Costa Calma?
The hottest day measured in Costa Calma between 1940 and 2025 was 2 June 2010, reaching 33.1 °C.
What is the coldest day in Costa Calma?
The coldest day measured in Costa Calma between 1940 and 2025 was 21 January 1957, at 11.6 °C.
Does it snow in Costa Calma?
Almost never: Costa Calma sees virtually no snow, with about 0 frost days per year.
Has the climate of Costa Calma warmed?
Yes: Costa Calma warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Costa Calma?
The wettest day measured in Costa Calma between 1940 and 2025 was 24 October 1972, with 84 mm of rain in 24 hours.
What was the windiest day in Costa Calma?
The windiest day measured in Costa Calma between 1940 and 2025 was 29 November 2005, with winds reaching 59.6 km/h.
What is the warmest month in Costa Calma?
The warmest month in Costa Calma is September (22.9 °C on average); the coldest is January (17.2 °C).
How much does it rain in Costa Calma?
Costa Calma receives on average 66 mm of precipitation per year, spread over about 14 rainy days.
Is it sunny in Costa Calma?
Costa Calma gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
Are there tropical nights in Costa Calma?
Yes: Costa Calma has on average 112 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Costa Calma?
In Costa Calma, between 1940 and 2025, the highest apparent temperature reached 36.0 °C on 12 August 1976, and the lowest was 4.2 °C on 19 January 1994.
Compare Costa Calma with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Costa Calma