Average annual temperature is 18.0 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: 1.1 °C
Number of sunny days: 208 days
Number of rainy days: 157 days
Look at detailed online map of San Jerónimo
* Weather data for San Jerónimo 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) | 36.3 | 33.5 | 32.5 | 28.4 | 23.7 | 23.2 | 24.5 | 28.1 | 32.0 | 34.0 | 37.0 | 33.4 |
| Average daytime temperature (°C) | 30.0 | 27.3 | 28.3 | 21.3 | 19.3 | 16.6 | 16.6 | 20.3 | 21.5 | 24.9 | 25.8 | 26.3 |
| Average temperature (°C) | 24.2 | 22.1 | 23.3 | 16.9 | 15.0 | 12.2 | 12.2 | 14.6 | 15.6 | 18.5 | 20.0 | 21.6 |
| Average night temperature (°C) | 19.4 | 17.9 | 19.4 | 13.6 | 11.9 | 9.0 | 9.2 | 10.1 | 11.0 | 13.5 | 15.6 | 17.8 |
| Absolute minimum temperature (°C) | 15.7 | 7.4 | 14.4 | 9.2 | 5.5 | 1.1 | 1.3 | 4.8 | 5.5 | 6.8 | 6.1 | 11.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.3 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.0 | 11.1 | 10.3 | 7.4 | 7.1 | 7.8 | 7.8 | 10.1 | 10.0 | 10.0 | 10.7 | 10.4 |
| Precipitation (mm) | 111 | 80 | 63 | 57 | 50 | 5 | 10 | 0 | 3 | 60 | 145 | 103 |
| Sunny days | 14 | 11 | 13 | 13 | 19 | 18 | 24 | 30 | 25 | 17 | 14 | 10 |
| Rainy days | 17 | 17 | 18 | 17 | 12 | 12 | 7 | 1 | 5 | 14 | 16 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Jerónimo is at