Average annual temperature is 13.8 °C
Absolute maximum temperature: 30.3 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 190 days
Number of rainy days: 174 days
Number of snow days: 1 day
Look at detailed online map of San Gerónimo
* Weather data for San Gerónimo 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) | 27.6 | 27.1 | 26.7 | 24.1 | 21.3 | 22.1 | 20.8 | 23.2 | 28.4 | 25.0 | 30.3 | 28.2 |
| Average daytime temperature (°C) | 23.0 | 22.1 | 22.8 | 16.5 | 14.9 | 13.1 | 12.7 | 16.0 | 16.9 | 19.0 | 21.8 | 22.7 |
| Average temperature (°C) | 18.7 | 17.4 | 18.5 | 12.8 | 11.0 | 8.8 | 8.3 | 10.7 | 11.4 | 13.6 | 16.4 | 18.1 |
| Average night temperature (°C) | 14.9 | 13.4 | 15.0 | 9.9 | 7.7 | 5.3 | 4.9 | 6.2 | 7.0 | 8.9 | 11.6 | 14.5 |
| Absolute minimum temperature (°C) | 10.3 | 2.5 | 12.2 | 5.9 | 3.2 | -1.3 | -1.6 | 0.7 | 1.6 | 1.5 | 3.1 | 8.3 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.1 |
| 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 | 14.0 |
| Sunshine mean duration (h) | 11.6 | 11.6 | 9.3 | 7.5 | 7.2 | 7.8 | 8.1 | 10.0 | 9.8 | 10.7 | 11.5 | 10.8 |
| Precipitation (mm) | 155 | 77 | 113 | 67 | 36 | 4 | 15 | 0 | 7 | 48 | 44 | 54 |
| Sunny days | 5 | 10 | 11 | 10 | 18 | 23 | 20 | 30 | 20 | 17 | 16 | 10 |
| Rainy days | 26 | 18 | 20 | 20 | 13 | 6 | 11 | 1 | 10 | 14 | 14 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Gerónimo is at