Average annual temperature is 16.7 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 256 days
Number of rainy days: 103 days
Number of snow days: 6 days
Look at detailed online map of Portales
* Weather data for Portales 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) | 20.2 | 23.5 | 26.3 | 29.9 | 33.5 | 40.6 | 42.1 | 39.6 | 38.1 | 30.0 | 28.0 | 21.4 |
| Average daytime temperature (°C) | 12.7 | 15.0 | 19.6 | 24.7 | 28.5 | 32.3 | 37.3 | 35.8 | 31.5 | 24.0 | 17.6 | 13.6 |
| Average temperature (°C) | 5.4 | 6.3 | 11.4 | 15.6 | 20.6 | 24.4 | 29.8 | 29.0 | 24.3 | 16.6 | 9.9 | 6.1 |
| Average night temperature (°C) | -0.1 | 0.3 | 4.7 | 7.9 | 13.4 | 16.8 | 22.5 | 22.3 | 17.6 | 10.3 | 4.0 | 0.4 |
| Absolute minimum temperature (°C) | -9.2 | -8.6 | -2.5 | 1.5 | 7.4 | 10.8 | 18.0 | 16.2 | 13.1 | -3.2 | -5.1 | -5.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 8.1 | 8.7 | 10.3 | 11.4 | 11.7 | 12.9 | 12.9 | 12.0 | 10.6 | 9.6 | 8.2 | 7.9 |
| Precipitation (mm) | 15 | 9 | 4 | 4 | 44 | 24 | 6 | 9 | 46 | 42 | 7 | 44 |
| Sunny days | 24 | 18 | 24 | 26 | 11 | 21 | 21 | 20 | 20 | 23 | 24 | 24 |
| Rainy days | 4 | 8 | 7 | 3 | 20 | 9 | 10 | 11 | 10 | 8 | 6 | 7 |
| Snow days | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Portales is at