Average annual temperature is 20.8 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: 2.0 °C
Number of sunny days: 268 days
Number of rainy days: 97 days
Look at detailed online map of La Rioja
* Weather data for La Rioja 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) | 41.3 | 38.6 | 37.5 | 28.8 | 26.2 | 22.5 | 22.7 | 29.1 | 34.0 | 35.5 | 40.3 | 41.1 |
| Average daytime temperature (°C) | 33.7 | 32.3 | 32.1 | 23.4 | 20.9 | 16.5 | 16.9 | 21.9 | 25.1 | 28.3 | 31.8 | 32.5 |
| Average temperature (°C) | 27.7 | 26.4 | 26.8 | 19.3 | 16.3 | 12.8 | 12.5 | 16.2 | 18.9 | 21.8 | 25.0 | 26.0 |
| Average night temperature (°C) | 21.8 | 20.9 | 21.8 | 15.6 | 12.3 | 9.2 | 8.3 | 10.7 | 13.1 | 15.4 | 18.7 | 20.8 |
| Absolute minimum temperature (°C) | 17.4 | 11.0 | 18.0 | 11.3 | 7.6 | 3.8 | 2.0 | 6.9 | 6.8 | 9.3 | 10.4 | 14.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 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 | 10.7 | 10.3 | 10.5 | 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 | 11.9 | 10.6 | 9.2 | 8.9 | 8.5 | 8.8 | 10.2 | 10.8 | 10.9 | 11.4 | 11.3 |
| Precipitation (mm) | 127 | 16 | 54 | 75 | 33 | 1 | 2 | 0 | 0 | 14 | 36 | 79 |
| Sunny days | 16 | 21 | 17 | 17 | 27 | 26 | 28 | 30 | 29 | 21 | 21 | 15 |
| Rainy days | 15 | 7 | 14 | 13 | 4 | 4 | 3 | 1 | 1 | 10 | 9 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Rioja is at