Average annual temperature is 18.5 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 0.5 °C
Number of sunny days: 178 days
Number of rainy days: 187 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) | 33.4 | 31.9 | 30.1 | 27.9 | 27.7 | 28.5 | 30.4 | 35.4 | 34.5 | 36.9 | 38.9 | 36.2 |
| Average daytime temperature (°C) | 27.6 | 26.1 | 27.4 | 21.7 | 21.1 | 20.0 | 19.4 | 24.4 | 25.2 | 27.8 | 29.9 | 27.9 |
| Average temperature (°C) | 22.1 | 20.6 | 21.9 | 16.8 | 15.1 | 13.2 | 12.7 | 15.9 | 17.7 | 20.1 | 23.1 | 22.3 |
| Average night temperature (°C) | 17.4 | 15.8 | 17.0 | 13.0 | 10.7 | 8.1 | 7.7 | 9.0 | 11.5 | 13.8 | 17.2 | 18.0 |
| Absolute minimum temperature (°C) | 13.2 | 7.8 | 13.8 | 7.6 | 6.9 | 0.5 | 2.3 | 4.1 | 2.2 | 6.5 | 9.6 | 13.6 |
| 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 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.7 | 11.3 | 11.9 | 12.7 | 13.3 | 13.7 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.5 | 10.2 | 9.8 | 7.0 | 7.9 | 8.2 | 8.2 | 10.0 | 8.7 | 8.9 | 9.5 | 8.5 |
| Precipitation (mm) | 196 | 145 | 152 | 116 | 10 | 6 | 7 | 0 | 23 | 34 | 140 | 201 |
| Sunny days | 7 | 5 | 5 | 12 | 18 | 23 | 24 | 31 | 20 | 19 | 10 | 4 |
| Rainy days | 24 | 23 | 26 | 18 | 13 | 7 | 7 | 0 | 10 | 12 | 20 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Jerónimo is at