Average annual temperature is 19.3 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 226 days
Number of rainy days: 139 days
Look at detailed online map of Río Primero
* Weather data for Río Primero 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) | 37.6 | 35.5 | 35.1 | 30.0 | 26.5 | 28.4 | 29.1 | 32.9 | 29.5 | 37.2 | 38.3 | 34.6 |
| Average daytime temperature (°C) | 32.0 | 29.2 | 30.1 | 23.7 | 21.2 | 17.9 | 17.8 | 21.8 | 22.1 | 26.7 | 28.0 | 29.0 |
| Average temperature (°C) | 25.8 | 23.4 | 24.9 | 18.9 | 16.5 | 13.0 | 12.8 | 15.0 | 16.3 | 20.0 | 22.0 | 23.7 |
| Average night temperature (°C) | 20.2 | 18.3 | 20.5 | 14.8 | 13.1 | 9.3 | 9.1 | 9.9 | 11.3 | 14.4 | 17.0 | 19.3 |
| Absolute minimum temperature (°C) | 15.8 | 7.3 | 15.0 | 9.6 | 7.9 | 0.8 | 2.7 | 5.6 | 6.0 | 7.7 | 7.1 | 14.5 |
| 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) | 11.4 | 11.1 | 9.4 | 7.8 | 7.0 | 7.7 | 6.9 | 9.5 | 8.4 | 9.9 | 10.8 | 9.6 |
| Precipitation (mm) | 149 | 120 | 117 | 35 | 57 | 3 | 35 | 0 | 18 | 76 | 108 | 133 |
| Sunny days | 15 | 16 | 17 | 15 | 20 | 25 | 24 | 30 | 25 | 17 | 12 | 10 |
| Rainy days | 16 | 12 | 14 | 15 | 11 | 5 | 7 | 1 | 5 | 14 | 18 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Río Primero during the most sunny months:
The largest precipitation sum in Río Primero is at