Average annual temperature is 25.3 °C
Absolute maximum temperature: 46.0 °C
Absolute minimum temperature: 3.6 °C
Number of sunny days: 225 days
Number of rainy days: 140 days
Look at detailed online map of Rio Grande City
* Weather data for Rio Grande City United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.1 | 37.0 | 39.4 | 37.8 | 37.3 | 46.0 | 41.6 | 43.1 | 41.5 | 38.6 | 33.0 | 27.7 |
| Average daytime temperature (°C) | 26.2 | 26.9 | 32.0 | 29.7 | 32.0 | 39.5 | 39.3 | 39.6 | 38.7 | 31.7 | 23.8 | 23.0 |
| Average temperature (°C) | 19.6 | 19.2 | 23.8 | 23.5 | 26.5 | 31.7 | 32.2 | 32.5 | 32.0 | 25.6 | 19.2 | 17.6 |
| Average night temperature (°C) | 14.9 | 14.2 | 18.7 | 19.3 | 22.2 | 25.7 | 26.8 | 27.1 | 26.7 | 21.5 | 15.7 | 13.5 |
| Absolute minimum temperature (°C) | 5.8 | 3.6 | 8.1 | 14.1 | 18.6 | 21.7 | 24.9 | 24.8 | 24.5 | 9.7 | 9.3 | 5.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.8 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.8 | 8.9 | 8.3 | 8.5 | 10.0 | 12.5 | 12.4 | 11.7 | 11.0 | 8.0 | 5.7 | 7.1 |
| Precipitation (mm) | 10 | 9 | 16 | 84 | 109 | 15 | 52 | 51 | 2 | 43 | 100 | 16 |
| Sunny days | 25 | 22 | 18 | 11 | 6 | 24 | 24 | 20 | 22 | 14 | 18 | 21 |
| Rainy days | 6 | 6 | 13 | 19 | 25 | 6 | 7 | 11 | 8 | 17 | 12 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rio Grande City during the most sunny months:
The largest precipitation sum in Rio Grande City is at