Average annual temperature is 20.8 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: 12.6 °C
Number of sunny days: 280 days
Number of rainy days: 85 days
Look at detailed online map of San Geronimo
* Weather data for San Geronimo 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) | 29.6 | 30.0 | 30.2 | 30.5 | 27.2 | 26.5 | 26.6 | 27.1 | 27.1 | 28.5 | 27.9 | 29.2 |
| Average daytime temperature (°C) | 27.9 | 28.8 | 28.3 | 29.0 | 25.5 | 24.4 | 24.0 | 24.7 | 24.1 | 26.0 | 25.7 | 27.2 |
| Average temperature (°C) | 22.8 | 23.7 | 23.5 | 23.3 | 20.0 | 18.8 | 18.4 | 18.9 | 18.5 | 20.5 | 19.9 | 21.6 |
| Average night temperature (°C) | 19.1 | 20.2 | 20.5 | 19.7 | 16.7 | 15.4 | 14.8 | 15.1 | 14.8 | 16.6 | 16.1 | 17.7 |
| Absolute minimum temperature (°C) | 17.0 | 18.8 | 19.2 | 17.8 | 14.6 | 13.6 | 13.2 | 13.0 | 12.6 | 14.7 | 13.9 | 15.5 |
| 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) | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 | 11.5 | 11.8 | 12.0 | 12.3 | 12.6 | 12.8 |
| 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) | 10.7 | 9.2 | 8.9 | 9.9 | 10.0 | 10.3 | 10.4 | 10.5 | 10.6 | 10.8 | 11.1 | 11.3 |
| Precipitation (mm) | 11 | 35 | 116 | 14 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 9 |
| Sunny days | 23 | 11 | 10 | 20 | 28 | 30 | 29 | 30 | 26 | 24 | 28 | 21 |
| Rainy days | 8 | 17 | 21 | 10 | 3 | 0 | 2 | 1 | 4 | 7 | 2 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Geronimo is at