Average annual temperature is 14.7 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -2.6 °C
Number of sunny days: 127 days
Number of rainy days: 238 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) | 18.6 | 19.0 | 26.4 | 24.4 | 30.5 | 31.4 | 31.2 | 37.0 | 31.4 | 32.4 | 22.5 | 20.9 |
| Average daytime temperature (°C) | 11.6 | 12.6 | 17.6 | 19.3 | 19.2 | 23.2 | 24.0 | 25.0 | 24.9 | 22.9 | 16.6 | 13.7 |
| Average temperature (°C) | 7.7 | 7.2 | 12.3 | 14.2 | 15.0 | 19.3 | 19.7 | 20.6 | 19.6 | 17.7 | 12.9 | 9.6 |
| Average night temperature (°C) | 4.1 | 2.3 | 6.9 | 9.3 | 10.6 | 15.3 | 15.9 | 16.9 | 14.9 | 13.0 | 9.5 | 5.5 |
| Absolute minimum temperature (°C) | -1.8 | -2.6 | -1.1 | 2.6 | 6.5 | 11.2 | 13.5 | 11.8 | 8.9 | 7.4 | 4.7 | 0.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.9 | 7.1 | 8.6 | 9.4 | 9.2 | 8.9 | 9.6 | 9.2 | 9.6 | 6.4 | 5.2 | 5.1 |
| Precipitation (mm) | 283 | 67 | 33 | 67 | 150 | 193 | 78 | 60 | 134 | 183 | 185 | 77 |
| Sunny days | 9 | 19 | 13 | 15 | 6 | 5 | 4 | 10 | 11 | 13 | 9 | 13 |
| Rainy days | 22 | 9 | 18 | 15 | 25 | 25 | 27 | 21 | 19 | 18 | 21 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Months with the longest average daylight duration in San Martín:
The largest precipitation sum in San Martín is at