Average annual temperature is 20.0 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 235 days
Number of rainy days: 130 days
Look at detailed online map of Colonia 18 de Marzo
* Weather data for Colonia 18 de Marzo 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) | 28.2 | 32.5 | 33.4 | 34.5 | 33.9 | 34.9 | 30.9 | 33.0 | 31.8 | 30.9 | 31.7 | 28.5 |
| Average daytime temperature (°C) | 25.1 | 26.6 | 29.9 | 30.9 | 30.3 | 31.3 | 29.0 | 28.4 | 30.0 | 28.0 | 26.4 | 23.1 |
| Average temperature (°C) | 16.8 | 17.4 | 20.5 | 21.8 | 21.7 | 23.1 | 21.5 | 21.1 | 21.6 | 20.3 | 18.6 | 15.8 |
| Average night temperature (°C) | 8.7 | 9.3 | 11.9 | 13.7 | 13.9 | 15.5 | 14.8 | 14.6 | 14.0 | 13.7 | 12.3 | 9.7 |
| Absolute minimum temperature (°C) | 3.5 | 5.1 | 8.6 | 10.1 | 11.8 | 13.4 | 12.2 | 12.1 | 12.2 | 9.4 | 9.0 | 2.1 |
| 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) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.3 | 10.6 | 11.0 | 11.3 | 11.5 | 11.9 | 11.6 | 11.2 | 11.3 | 10.4 | 10.0 | 9.4 |
| Precipitation (mm) | 0 | 0 | 15 | 15 | 35 | 43 | 53 | 59 | 12 | 22 | 9 | 2 |
| Sunny days | 30 | 27 | 23 | 11 | 14 | 17 | 13 | 10 | 24 | 16 | 25 | 25 |
| Rainy days | 1 | 1 | 8 | 19 | 17 | 13 | 18 | 21 | 6 | 15 | 5 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Colonia 18 de Marzo is at