Average annual temperature is 22.0 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 0.0 °C
Number of sunny days: 177 days
Number of rainy days: 188 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) | 28.1 | 31.0 | 32.5 | 34.1 | 32.9 | 40.1 | 40.5 | 41.1 | 38.6 | 34.2 | 27.8 | 24.7 |
| Average daytime temperature (°C) | 20.2 | 20.9 | 26.0 | 26.3 | 29.0 | 36.3 | 37.7 | 39.1 | 35.3 | 27.5 | 19.9 | 19.9 |
| Average temperature (°C) | 14.2 | 13.8 | 19.2 | 19.9 | 23.5 | 29.3 | 31.0 | 32.0 | 29.4 | 22.1 | 15.2 | 13.7 |
| Average night temperature (°C) | 9.5 | 9.1 | 14.5 | 15.2 | 19.2 | 23.4 | 25.1 | 25.8 | 24.1 | 17.9 | 11.5 | 8.7 |
| Absolute minimum temperature (°C) | 0.1 | 0.0 | 5.7 | 10.4 | 14.8 | 18.0 | 23.6 | 23.7 | 21.5 | 6.0 | 4.6 | 2.5 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 7.0 | 7.3 | 6.9 | 8.3 | 9.1 | 11.8 | 12.0 | 11.9 | 11.0 | 8.4 | 6.0 | 7.2 |
| Precipitation (mm) | 45 | 44 | 71 | 170 | 173 | 50 | 20 | 6 | 57 | 191 | 42 | 36 |
| Sunny days | 20 | 16 | 6 | 11 | 4 | 12 | 22 | 24 | 13 | 12 | 16 | 21 |
| Rainy days | 11 | 12 | 25 | 19 | 27 | 18 | 9 | 7 | 17 | 19 | 14 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Alamo Heights during the most sunny months:
The largest precipitation sum in Alamo Heights is at