Sant Antoni de Portmany climate — normals and trends
Sant Antoni de Portmany (Spain) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 18.6 °C and it receives 326 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 (26.3 °C on average) and the coldest is January (12.6 °C). Rainfall peaks in October.
Sant Antoni de Portmany averages 0 frost days, 14 hot days (≥ 30 °C) and 53 rainy days per year.
Sant Antoni de Portmany has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.3 °C (on 13 August 2022) and the coldest -0.1 °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
Sant Antoni de PortmanyBalearic Islands
- coords
- 38.98°, 1.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.6°C
Average daily high
20.9°C
Average daily low
16.5°C
Annual rainfall
326mm
Sunshine / day
10.9h
Mean relative humidity
69%
Average peak wind
22.9km/h
Seasonal range
13.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
14 d/yr
Rainy days (≥ 1 mm)
53 d/yr
Annual snowfall
0.1 cm
Average feels-like high
20.5 °C
Average feels-like low
15.1 °C
Average peak gust
37.1 km/h
Tropical nights (≥ 20 °C)
112 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.63 · 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
36.3 °C
13 August 2022
Coldest day
-0.1 °C
11 February 1956
Wettest day
123 mm
29 August 1996
Windiest day
70.8 km/h
28 December 1980
Strongest gust
133.9 km/h
28 December 1980
Hottest feels-like
41.3 °C
11 July 2023
Coldest feels-like
-8.4 °C
3 February 1956
Snowiest day
3.4 cm
1 February 1954
Sunniest day
14.0 h
17 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 | 16.6 °C | +2.2 °C | 17 mm | -17 mm |
| Feb | 16.4 °C | +1.6 °C | 26 mm | +2 mm |
| Mar | 17.2 °C | +0.9 °C | 45 mm | +19 mm |
| Apr | 20.3 °C | +2.1 °C | 6 mm | -22 mm |
| May | 23.2 °C | +1.8 °C | 13 mm | -8 mm |
| Jun | 28.8 °C | +3.4 °C | 1 mm | -8 mm |
| Jul | 30.0 °C | +1.7 °C | 35 mm | +31 mm |
| Aug | 30.6 °C | +1.8 °C | 1 mm | -12 mm |
| Sep | 27.6 °C | +1.2 °C | 64 mm | +27 mm |
| Oct | 24.0 °C | +1.5 °C | 71 mm | +20 mm |
| Nov | 19.6 °C | +1.2 °C | 19 mm | -23 mm |
| Dec | 16.7 °C | +1.2 °C | 74 mm | +34 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 Sant Antoni de Portmany?
Sant Antoni de Portmany has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 326 mm of precipitation per year.
What is the hottest day ever recorded in Sant Antoni de Portmany?
The hottest day measured in Sant Antoni de Portmany between 1940 and 2025 was 13 August 2022, reaching 36.3 °C.
What is the coldest day in Sant Antoni de Portmany?
The coldest day measured in Sant Antoni de Portmany between 1940 and 2025 was 11 February 1956, at -0.1 °C.
Does it snow in Sant Antoni de Portmany?
Almost never: Sant Antoni de Portmany sees virtually no snow, with about 0 frost days per year.
Has the climate of Sant Antoni de Portmany warmed?
Yes: Sant Antoni de Portmany warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sant Antoni de Portmany?
The wettest day measured in Sant Antoni de Portmany between 1940 and 2025 was 29 August 1996, with 123 mm of rain in 24 hours.
What was the windiest day in Sant Antoni de Portmany?
The windiest day measured in Sant Antoni de Portmany between 1940 and 2025 was 28 December 1980, with winds reaching 70.8 km/h.
What is the warmest month in Sant Antoni de Portmany?
The warmest month in Sant Antoni de Portmany is August (26.3 °C on average); the coldest is January (12.6 °C).
How much does it rain in Sant Antoni de Portmany?
Sant Antoni de Portmany receives on average 326 mm of precipitation per year, spread over about 53 rainy days.
Is it sunny in Sant Antoni de Portmany?
Sant Antoni de Portmany gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sant Antoni de Portmany?
The heaviest 24-hour snowfall measured in Sant Antoni de Portmany between 1940 and 2025 was 1 February 1954, with 3.4 cm.
Are there tropical nights in Sant Antoni de Portmany?
Yes: Sant Antoni de Portmany has on average 112 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sant Antoni de Portmany?
In Sant Antoni de Portmany, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 11 July 2023, and the lowest was -8.4 °C on 3 February 1956.
Compare Sant Antoni de Portmany with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sant Antoni de Portmany