San Sebastián de La Gomera climate — normals and trends
San Sebastián de La Gomera (Spain) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 19.9 °C and it receives 157 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 (22.9 °C on average) and the coldest is February (17.5 °C). Rainfall peaks in December.
San Sebastián de La Gomera averages 0 frost days, 0 hot days (≥ 30 °C) and 31 rainy days per year.
San Sebastián de La Gomera 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 30.0 °C (on 4 September 2005) and the coldest 12.5 °C (on 19 March 1943).
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
San Sebastián de La GomeraCanary Islands
- coords
- 28.09°, -17.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.9°C
Average daily high
20.6°C
Average daily low
19.4°C
Annual rainfall
157mm
Sunshine / day
11.5h
Mean relative humidity
77%
Average peak wind
21.1km/h
Seasonal range
5.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
31 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.0 °C
Average feels-like low
18.8 °C
Average peak gust
29.2 km/h
Tropical nights (≥ 20 °C)
153 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.33 · 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
30.0 °C
4 September 2005
Coldest day
12.5 °C
19 March 1943
Wettest day
64 mm
9 November 1950
Windiest day
64.8 km/h
29 December 1970
Strongest gust
96.5 km/h
29 December 1970
Hottest feels-like
33.7 °C
26 August 2020
Coldest feels-like
5.5 °C
22 February 1972
Sunniest day
13.7 h
20 June 2025
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 | 19.4 °C | +1.1 °C | 10 mm | -14 mm |
| Feb | 18.9 °C | +0.7 °C | 7 mm | -14 mm |
| Mar | 18.5 °C | +0.1 °C | 16 mm | +0 mm |
| Apr | 19.1 °C | +0.4 °C | 27 mm | +19 mm |
| May | 20.2 °C | +0.6 °C | 5 mm | +1 mm |
| Jun | 21.7 °C | +0.8 °C | 2 mm | 0 mm |
| Jul | 23.5 °C | +0.7 °C | 0 mm | -0 mm |
| Aug | 24.4 °C | +0.8 °C | 4 mm | +3 mm |
| Sep | 24.2 °C | +0.9 °C | 3 mm | -3 mm |
| Oct | 22.8 °C | +0.3 °C | 7 mm | -11 mm |
| Nov | 22.0 °C | +1.0 °C | 46 mm | +18 mm |
| Dec | 19.5 °C | +0.2 °C | 8 mm | -21 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 San Sebastián de La Gomera?
San Sebastián de La Gomera has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 157 mm of precipitation per year.
What is the hottest day ever recorded in San Sebastián de La Gomera?
The hottest day measured in San Sebastián de La Gomera between 1940 and 2025 was 4 September 2005, reaching 30.0 °C.
What is the coldest day in San Sebastián de La Gomera?
The coldest day measured in San Sebastián de La Gomera between 1940 and 2025 was 19 March 1943, at 12.5 °C.
Does it snow in San Sebastián de La Gomera?
Almost never: San Sebastián de La Gomera sees virtually no snow, with about 0 frost days per year.
Has the climate of San Sebastián de La Gomera warmed?
Yes: San Sebastián de La Gomera warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in San Sebastián de La Gomera?
The wettest day measured in San Sebastián de La Gomera between 1940 and 2025 was 9 November 1950, with 64 mm of rain in 24 hours.
What was the windiest day in San Sebastián de La Gomera?
The windiest day measured in San Sebastián de La Gomera between 1940 and 2025 was 29 December 1970, with winds reaching 64.8 km/h.
What is the warmest month in San Sebastián de La Gomera?
The warmest month in San Sebastián de La Gomera is August (22.9 °C on average); the coldest is February (17.5 °C).
How much does it rain in San Sebastián de La Gomera?
San Sebastián de La Gomera receives on average 157 mm of precipitation per year, spread over about 31 rainy days.
Is it sunny in San Sebastián de La Gomera?
San Sebastián de La Gomera gets on average 11.5 hours of sunshine per day, roughly 4,198 hours per year over 1940-2025.
Are there tropical nights in San Sebastián de La Gomera?
Yes: San Sebastián de La Gomera has on average 153 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in San Sebastián de La Gomera?
In San Sebastián de La Gomera, between 1940 and 2025, the highest apparent temperature reached 33.7 °C on 26 August 2020, and the lowest was 5.5 °C on 22 February 1972.
Compare San Sebastián de La Gomera with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around San Sebastián de La Gomera