Average annual temperature is 23.1 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 1.1 °C
Number of sunny days: 132 days
Number of rainy days: 233 days
Look at detailed online map of Rio Altos
* Weather data for Rio Altos 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) | 28.8 | 31.5 | 32.2 | 35.6 | 35.6 | 35.8 | 36.3 | 37.3 | 34.9 | 31.4 | 32.7 | 28.8 |
| Average daytime temperature (°C) | 23.1 | 26.8 | 27.9 | 30.4 | 31.6 | 31.4 | 33.2 | 33.7 | 32.2 | 28.7 | 25.8 | 22.2 |
| Average temperature (°C) | 16.7 | 20.2 | 21.3 | 23.9 | 24.8 | 26.2 | 28.0 | 28.5 | 26.5 | 23.3 | 20.0 | 17.2 |
| Average night temperature (°C) | 12.2 | 15.3 | 16.1 | 18.8 | 19.4 | 22.3 | 24.5 | 24.4 | 22.1 | 18.9 | 15.6 | 13.8 |
| Absolute minimum temperature (°C) | 1.1 | 7.0 | 6.6 | 12.6 | 14.8 | 19.6 | 22.6 | 22.4 | 18.6 | 10.4 | 5.9 | 5.9 |
| 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| 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) | 8.5 | 9.6 | 10.0 | 10.2 | 11.8 | 11.2 | 10.8 | 11.1 | 10.4 | 9.4 | 7.7 | 7.0 |
| Precipitation (mm) | 77 | 17 | 43 | 79 | 148 | 206 | 223 | 169 | 140 | 62 | 31 | 94 |
| Sunny days | 20 | 19 | 14 | 8 | 8 | 3 | 2 | 1 | 6 | 20 | 15 | 16 |
| Rainy days | 11 | 9 | 17 | 22 | 23 | 27 | 29 | 30 | 24 | 11 | 15 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rio Altos is at