Average annual temperature is 28.2 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 306 days
Number of rainy days: 59 days
Look at detailed online map of Rio Grande
* Weather data for Rio Grande Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.6 | 35.5 | 36.0 | 36.6 | 38.5 | 37.7 | 37.8 | 39.5 | 39.5 | 39.2 | 38.5 | 38.7 |
| Average daytime temperature (°C) | 33.9 | 31.3 | 33.4 | 34.5 | 35.9 | 35.1 | 35.1 | 36.3 | 36.5 | 36.3 | 36.4 | 36.6 |
| Average temperature (°C) | 27.5 | 25.9 | 27.0 | 27.2 | 29.0 | 27.7 | 27.9 | 28.8 | 29.2 | 29.1 | 29.4 | 29.6 |
| Average night temperature (°C) | 22.7 | 22.2 | 22.6 | 21.9 | 23.8 | 22.2 | 22.8 | 23.2 | 23.6 | 23.7 | 23.9 | 24.3 |
| Absolute minimum temperature (°C) | 20.8 | 20.8 | 20.9 | 19.6 | 19.6 | 19.1 | 19.8 | 19.8 | 21.6 | 18.3 | 21.7 | 22.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.7 | 11.4 | 11.2 | 11.3 | 11.6 | 12.0 | 12.5 | 12.8 | 13.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.5 | 9.3 | 9.9 | 10.6 | 10.3 | 10.3 | 10.3 | 10.8 | 11.3 | 11.5 | 11.7 | 11.8 |
| Precipitation (mm) | 11 | 170 | 40 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sunny days | 23 | 7 | 9 | 25 | 31 | 30 | 31 | 31 | 30 | 30 | 28 | 31 |
| Rainy days | 8 | 21 | 22 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rio Grande is at