Average annual temperature is 24.9 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 208 days
Number of rainy days: 157 days
Look at detailed online map of City of McAllen
* Weather data for City of McAllen 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) | 31.9 | 35.5 | 37.2 | 34.7 | 35.0 | 42.5 | 39.7 | 41.1 | 40.4 | 37.7 | 32.4 | 28.1 |
| Average daytime temperature (°C) | 26.0 | 25.8 | 30.5 | 28.5 | 31.2 | 37.7 | 37.4 | 38.1 | 37.8 | 31.2 | 23.9 | 23.1 |
| Average temperature (°C) | 19.7 | 18.9 | 23.3 | 23.1 | 26.1 | 30.6 | 31.2 | 31.6 | 31.2 | 25.4 | 19.3 | 17.9 |
| Average night temperature (°C) | 15.6 | 14.5 | 18.9 | 19.3 | 22.2 | 25.6 | 26.6 | 26.8 | 26.5 | 21.5 | 15.9 | 13.8 |
| Absolute minimum temperature (°C) | 6.0 | 3.9 | 8.5 | 13.4 | 18.4 | 21.6 | 24.5 | 24.0 | 23.6 | 9.9 | 8.9 | 5.2 |
| 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 | 13.7 | 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) | 7.7 | 8.9 | 8.2 | 8.7 | 10.1 | 12.5 | 12.3 | 11.9 | 11.0 | 8.3 | 5.8 | 6.8 |
| Precipitation (mm) | 10 | 5 | 24 | 192 | 90 | 20 | 31 | 35 | 14 | 54 | 110 | 33 |
| Sunny days | 22 | 18 | 17 | 11 | 5 | 22 | 23 | 19 | 16 | 17 | 16 | 22 |
| Rainy days | 9 | 10 | 14 | 19 | 26 | 8 | 8 | 12 | 14 | 14 | 14 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of McAllen during the most sunny months:
The largest precipitation sum in City of McAllen is at