Average annual temperature is 12.7 °C
Absolute maximum temperature: 27.0 °C
Absolute minimum temperature: -0.2 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of Santo Tomás Ajusco
* Weather data for Santo Tomás Ajusco Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.9 | 22.2 | 23.3 | 24.5 | 23.3 | 27.0 | 21.8 | 20.4 | 22.2 | 22.3 | 23.1 | 18.9 |
| Average daytime temperature (°C) | 16.7 | 19.0 | 20.6 | 20.9 | 20.2 | 23.9 | 19.3 | 18.4 | 20.1 | 19.0 | 18.9 | 15.6 |
| Average temperature (°C) | 9.8 | 11.3 | 13.2 | 14.1 | 13.7 | 16.5 | 13.6 | 13.0 | 13.6 | 12.7 | 11.9 | 9.1 |
| Average night temperature (°C) | 4.0 | 4.6 | 7.0 | 7.8 | 8.1 | 10.2 | 8.8 | 8.7 | 8.1 | 8.2 | 6.3 | 4.4 |
| Absolute minimum temperature (°C) | 1.3 | 1.2 | 3.4 | 5.0 | 5.2 | 8.2 | 6.5 | 6.2 | 5.0 | 4.7 | 3.4 | -0.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.3 | 10.6 | 10.9 | 11.6 | 11.7 | 12.0 | 11.3 | 10.2 | 11.0 | 9.4 | 9.7 | 8.7 |
| Precipitation (mm) | 5 | 2 | 35 | 34 | 97 | 48 | 119 | 127 | 52 | 93 | 24 | 30 |
| Sunny days | 22 | 23 | 14 | 6 | 3 | 11 | 0 | 1 | 17 | 11 | 16 | 13 |
| Rainy days | 9 | 5 | 17 | 24 | 28 | 19 | 31 | 30 | 13 | 20 | 14 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás Ajusco is at