Average annual temperature is 20.5 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 4.6 °C
Number of sunny days: 255 days
Number of rainy days: 110 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) | 27.9 | 31.5 | 33.4 | 34.5 | 35.2 | 38.4 | 33.4 | 32.1 | 33.7 | 32.3 | 31.0 | 25.8 |
| Average daytime temperature (°C) | 25.2 | 27.4 | 30.4 | 31.7 | 31.7 | 35.0 | 29.8 | 28.9 | 30.5 | 28.3 | 27.0 | 22.2 |
| Average temperature (°C) | 16.0 | 17.8 | 21.0 | 22.7 | 22.9 | 26.0 | 22.1 | 21.3 | 22.3 | 20.5 | 18.3 | 14.9 |
| Average night temperature (°C) | 8.0 | 9.7 | 12.1 | 14.3 | 14.8 | 17.5 | 16.1 | 15.8 | 15.5 | 15.0 | 11.5 | 9.7 |
| Absolute minimum temperature (°C) | 4.6 | 5.8 | 6.9 | 10.5 | 11.6 | 15.6 | 13.4 | 13.7 | 13.8 | 9.7 | 6.6 | 6.0 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.5 | 11.2 | 11.5 | 11.6 | 12.2 | 11.9 | 10.7 | 11.2 | 9.7 | 9.7 | 8.1 |
| Precipitation (mm) | 0 | 0 | 3 | 1 | 12 | 19 | 83 | 103 | 36 | 55 | 32 | 59 |
| Sunny days | 30 | 28 | 27 | 27 | 19 | 26 | 10 | 12 | 23 | 16 | 21 | 16 |
| Rainy days | 1 | 0 | 4 | 3 | 12 | 4 | 21 | 19 | 7 | 15 | 9 | 15 |
| 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