Average annual temperature is 14.9 °C
Absolute maximum temperature: 27.9 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 111 days
Number of rainy days: 253 days
Number of snow days: 1 day
Look at detailed online map of San Andrés
* Weather data for San Andrés Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.5 | 23.6 | 23.3 | 24.0 | 23.3 | 25.7 | 27.3 | 27.9 | 27.0 | 25.8 | 26.8 | 26.5 |
| Average daytime temperature (°C) | 20.2 | 18.5 | 19.7 | 16.3 | 16.5 | 16.2 | 16.3 | 18.5 | 18.6 | 19.3 | 20.3 | 20.4 |
| Average temperature (°C) | 17.0 | 15.9 | 16.9 | 13.8 | 13.6 | 12.1 | 12.2 | 13.6 | 14.3 | 15.2 | 16.9 | 17.4 |
| Average night temperature (°C) | 13.5 | 12.8 | 13.3 | 11.1 | 10.3 | 7.6 | 7.8 | 8.2 | 9.8 | 10.7 | 13.4 | 14.6 |
| Absolute minimum temperature (°C) | 8.3 | 4.1 | 11.1 | 7.7 | 5.3 | -1.9 | 1.5 | 1.9 | 1.2 | 5.2 | 6.4 | 11.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.6 | 11.0 | 10.7 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.5 | 8.5 | 9.6 | 6.7 | 8.0 | 8.4 | 9.6 | 9.8 | 9.2 | 9.2 | 8.7 | 7.4 |
| Precipitation (mm) | 230 | 228 | 216 | 230 | 80 | 55 | 35 | 12 | 95 | 98 | 197 | 440 |
| Sunny days | 3 | 1 | 0 | 6 | 9 | 17 | 18 | 24 | 16 | 13 | 4 | 0 |
| Rainy days | 28 | 27 | 31 | 24 | 22 | 12 | 13 | 7 | 14 | 18 | 26 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Andrés is at