Average annual temperature is 13.1 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 178 days
Number of rainy days: 179 days
Number of snow days: 8 days
Look at detailed online map of Alamo Heights
* Weather data for Alamo Heights 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) | 16.8 | 21.2 | 23.3 | 27.0 | 30.7 | 33.0 | 34.0 | 33.5 | 33.2 | 29.4 | 24.5 | 15.8 |
| Average daytime temperature (°C) | 7.3 | 11.8 | 12.3 | 18.3 | 23.2 | 27.1 | 29.5 | 28.8 | 26.3 | 19.4 | 12.6 | 8.9 |
| Average temperature (°C) | 3.3 | 5.1 | 5.8 | 11.8 | 16.8 | 21.1 | 24.1 | 23.2 | 20.4 | 14.0 | 6.8 | 4.5 |
| Average night temperature (°C) | 0.2 | 0.4 | 1.1 | 6.2 | 11.1 | 15.7 | 19.5 | 18.2 | 15.2 | 9.8 | 2.7 | 1.3 |
| Absolute minimum temperature (°C) | -6.9 | -9.1 | -7.6 | -0.1 | 2.9 | 11.2 | 15.9 | 12.6 | 10.6 | -1.8 | -7.3 | -6.3 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 7.6 | 7.4 | 9.0 | 10.4 | 10.9 | 11.8 | 11.2 | 10.2 | 7.5 | 7.7 | 4.6 |
| Precipitation (mm) | 146 | 48 | 167 | 91 | 64 | 73 | 125 | 101 | 34 | 65 | 28 | 57 |
| Sunny days | 6 | 17 | 15 | 13 | 21 | 13 | 9 | 16 | 16 | 16 | 24 | 12 |
| Rainy days | 21 | 11 | 13 | 17 | 10 | 17 | 22 | 15 | 14 | 15 | 6 | 18 |
| Snow days | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Alamo Heights during the most sunny months:
The largest precipitation sum in Alamo Heights is at