Average annual temperature is 15.2 °C
Absolute maximum temperature: 23.7 °C
Absolute minimum temperature: 7.2 °C
Number of sunny days: 154 days
Number of rainy days: 211 days
Look at detailed online map of San Blas
* Weather data for San Blas Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.1 | 19.2 | 19.5 | 19.5 | 21.2 | 22.2 | 23.3 | 23.7 | 23.0 | 21.1 | 23.1 | 22.6 |
| Average daytime temperature (°C) | 17.3 | 17.6 | 17.6 | 17.9 | 20.1 | 20.7 | 21.4 | 21.4 | 21.4 | 19.6 | 20.3 | 19.6 |
| Average temperature (°C) | 13.0 | 13.8 | 13.6 | 13.8 | 15.2 | 15.2 | 16.5 | 16.5 | 17.1 | 15.9 | 16.1 | 16.1 |
| Average night temperature (°C) | 10.0 | 11.3 | 11.0 | 10.9 | 11.0 | 10.2 | 12.5 | 12.3 | 13.5 | 13.0 | 12.8 | 13.6 |
| Absolute minimum temperature (°C) | 7.2 | 9.3 | 8.0 | 9.5 | 9.2 | 7.6 | 11.4 | 10.4 | 11.8 | 11.0 | 10.3 | 12.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.7 | 8.1 | 8.5 | 8.9 | 10.9 | 10.8 | 10.8 | 11.0 | 11.4 | 11.1 | 11.0 | 10.5 |
| Precipitation (mm) | 205 | 288 | 358 | 253 | 42 | 8 | 0 | 0 | 9 | 50 | 29 | 121 |
| Sunny days | 2 | 0 | 0 | 0 | 9 | 26 | 31 | 31 | 25 | 5 | 20 | 5 |
| Rainy days | 29 | 28 | 31 | 30 | 22 | 4 | 0 | 0 | 5 | 26 | 10 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Blas is at