Average annual temperature is 18.6 °C
Absolute maximum temperature: 28.9 °C
Absolute minimum temperature: 8.8 °C
Number of sunny days: 11 days
Number of rainy days: 354 days
Look at detailed online map of San Jerónimo
* Weather data for San Jerónimo 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) | 26.2 | 25.6 | 27.0 | 26.0 | 24.6 | 24.5 | 23.6 | 25.4 | 26.9 | 28.9 | 27.4 | 27.3 |
| Average daytime temperature (°C) | 23.7 | 23.7 | 24.1 | 23.4 | 22.5 | 21.6 | 21.4 | 23.6 | 24.7 | 25.8 | 24.8 | 24.9 |
| Average temperature (°C) | 18.8 | 18.7 | 18.7 | 18.6 | 18.1 | 16.6 | 17.3 | 17.7 | 18.8 | 20.0 | 19.8 | 19.9 |
| Average night temperature (°C) | 15.2 | 15.4 | 14.9 | 14.9 | 15.1 | 12.6 | 14.2 | 13.1 | 14.3 | 15.6 | 16.2 | 16.4 |
| Absolute minimum temperature (°C) | 11.6 | 12.8 | 11.7 | 8.8 | 11.8 | 8.8 | 10.2 | 10.1 | 12.0 | 13.1 | 12.7 | 14.6 |
| 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) | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 | 11.4 | 11.7 | 12.0 | 12.4 | 12.8 | 12.9 |
| 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) | 8.5 | 8.4 | 8.6 | 9.6 | 8.5 | 8.7 | 7.6 | 9.7 | 10.0 | 10.0 | 9.4 | 8.9 |
| Precipitation (mm) | 441 | 374 | 319 | 183 | 173 | 116 | 183 | 115 | 163 | 263 | 370 | 416 |
| Sunny days | 1 | 0 | 0 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | 0 | 0 |
| Rainy days | 30 | 28 | 31 | 29 | 30 | 26 | 30 | 30 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Jerónimo is at