Average annual temperature is 12.1 °C
Absolute maximum temperature: 18.9 °C
Absolute minimum temperature: 4.3 °C
Number of sunny days: 16 days
Number of rainy days: 349 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) | 17.5 | 16.8 | 16.9 | 16.8 | 16.1 | 15.7 | 15.7 | 17.4 | 18.4 | 18.7 | 18.6 | 18.9 |
| Average daytime temperature (°C) | 15.0 | 14.7 | 15.1 | 14.6 | 14.3 | 13.7 | 13.7 | 15.1 | 15.8 | 16.6 | 16.3 | 16.4 |
| Average temperature (°C) | 11.8 | 11.8 | 11.9 | 11.9 | 11.6 | 10.4 | 11.2 | 11.6 | 12.5 | 13.4 | 13.2 | 13.5 |
| Average night temperature (°C) | 8.8 | 9.4 | 8.9 | 9.2 | 8.8 | 7.0 | 9.2 | 8.0 | 9.4 | 10.3 | 10.9 | 10.9 |
| Absolute minimum temperature (°C) | 6.0 | 7.7 | 6.0 | 6.7 | 6.1 | 4.3 | 5.8 | 4.6 | 6.6 | 7.7 | 8.9 | 8.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 | 11.4 | 11.6 | 12.0 | 12.4 | 12.8 | 13.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.6 | 7.7 | 8.7 | 8.9 | 9.3 | 10.1 | 9.2 | 9.9 | 10.4 | 9.9 | 9.0 | 9.0 |
| Precipitation (mm) | 388 | 292 | 288 | 157 | 165 | 40 | 108 | 68 | 111 | 204 | 309 | 342 |
| Sunny days | 1 | 0 | 0 | 1 | 1 | 9 | 0 | 4 | 0 | 0 | 0 | 0 |
| Rainy days | 30 | 28 | 31 | 29 | 30 | 21 | 31 | 27 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Blas is at