Average annual temperature is 13.4 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 212 days
Number of rainy days: 150 days
Number of snow days: 3 days
Look at detailed online map of San Martín
* Weather data for San Martín 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) | 14.8 | 18.1 | 24.7 | 29.5 | 27.2 | 34.1 | 37.3 | 38.8 | 30.8 | 31.9 | 19.6 | 15.1 |
| Average daytime temperature (°C) | 7.8 | 10.5 | 15.6 | 20.9 | 21.1 | 25.7 | 31.5 | 32.0 | 24.9 | 21.7 | 13.9 | 8.9 |
| Average temperature (°C) | 3.5 | 3.7 | 9.6 | 13.7 | 14.5 | 19.4 | 23.9 | 24.5 | 18.6 | 15.6 | 9.5 | 4.0 |
| Average night temperature (°C) | -0.2 | -1.7 | 4.0 | 6.0 | 7.9 | 13.0 | 15.4 | 16.0 | 12.6 | 10.2 | 5.8 | 0.1 |
| Absolute minimum temperature (°C) | -5.1 | -4.9 | -3.9 | -2.2 | 3.5 | 8.8 | 12.0 | 9.6 | 6.1 | 5.1 | -2.1 | -4.2 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 6.2 | 8.0 | 8.7 | 11.5 | 12.3 | 12.4 | 13.3 | 12.4 | 10.2 | 7.7 | 6.4 | 6.0 |
| Precipitation (mm) | 72 | 18 | 34 | 22 | 55 | 94 | 1 | 0 | 52 | 132 | 96 | 41 |
| Sunny days | 14 | 19 | 19 | 23 | 13 | 10 | 26 | 28 | 17 | 14 | 10 | 19 |
| Rainy days | 16 | 7 | 12 | 7 | 18 | 20 | 5 | 3 | 13 | 17 | 20 | 12 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Martín during the most sunny months:
The largest precipitation sum in San Martín is at