Average annual temperature is 18.8 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 263 days
Number of rainy days: 102 days
Look at detailed online map of San Telmo
* Weather data for San Telmo Spain is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.3 | 20.0 | 26.8 | 33.0 | 32.6 | 41.7 | 38.9 | 42.0 | 35.9 | 34.7 | 24.0 | 19.1 |
| Average daytime temperature (°C) | 14.0 | 15.9 | 20.3 | 26.8 | 26.0 | 31.4 | 34.9 | 36.3 | 27.6 | 25.4 | 19.1 | 15.2 |
| Average temperature (°C) | 10.1 | 11.2 | 14.9 | 19.8 | 20.2 | 24.9 | 27.6 | 29.0 | 22.0 | 20.3 | 14.5 | 11.1 |
| Average night temperature (°C) | 7.0 | 7.4 | 10.3 | 13.5 | 14.7 | 19.0 | 19.9 | 21.3 | 17.3 | 16.1 | 10.9 | 7.9 |
| Absolute minimum temperature (°C) | 2.9 | 2.6 | 2.1 | 7.2 | 12.2 | 14.7 | 15.4 | 15.4 | 12.7 | 9.4 | 6.2 | 3.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 9.1 | 9.2 | 11.8 | 11.8 | 12.1 | 13.1 | 12.6 | 10.0 | 8.1 | 7.5 | 6.9 |
| Precipitation (mm) | 18 | 15 | 33 | 9 | 39 | 51 | 0 | 0 | 71 | 169 | 62 | 40 |
| Sunny days | 22 | 19 | 24 | 27 | 17 | 20 | 31 | 31 | 15 | 14 | 24 | 19 |
| Rainy days | 9 | 9 | 7 | 3 | 14 | 10 | 0 | 0 | 15 | 17 | 6 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Telmo during the most sunny months:
The largest precipitation sum in San Telmo is at