Average annual temperature is 22.1 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 1.7 °C
Number of sunny days: 284 days
Number of rainy days: 80 days
Number of snow days: 1 day
Look at detailed online map of Dieciocho de Marzo
* Weather data for Dieciocho 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) | 29.1 | 33.5 | 33.3 | 35.0 | 35.7 | 39.8 | 36.1 | 37.2 | 36.0 | 32.4 | 29.4 | 24.6 |
| Average daytime temperature (°C) | 24.5 | 26.9 | 30.0 | 30.6 | 31.9 | 36.4 | 32.4 | 33.5 | 32.8 | 26.5 | 22.6 | 20.9 |
| Average temperature (°C) | 16.5 | 18.0 | 21.7 | 23.2 | 24.9 | 29.9 | 26.5 | 27.3 | 26.5 | 20.8 | 16.0 | 14.3 |
| Average night temperature (°C) | 9.6 | 10.8 | 13.6 | 15.9 | 18.1 | 22.4 | 20.5 | 20.8 | 19.4 | 15.7 | 11.1 | 8.7 |
| Absolute minimum temperature (°C) | 4.0 | 2.5 | 3.8 | 11.7 | 13.5 | 18.3 | 18.6 | 18.2 | 16.7 | 8.3 | 3.6 | 1.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 10.2 | 11.0 | 11.1 | 11.3 | 12.5 | 11.8 | 11.8 | 11.5 | 8.4 | 8.2 | 8.9 |
| Precipitation (mm) | 0 | 0 | 0 | 4 | 12 | 0 | 40 | 4 | 13 | 87 | 56 | 3 |
| Sunny days | 31 | 27 | 30 | 20 | 22 | 28 | 19 | 21 | 23 | 14 | 21 | 28 |
| Rainy days | 0 | 0 | 1 | 10 | 9 | 2 | 12 | 10 | 7 | 17 | 9 | 3 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dieciocho de Marzo is at