Average annual temperature is 22.6 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 319 days
Number of rainy days: 45 days
Number of snow days: 1 day
Look at detailed online map of Altamira (San Mateo)
* Weather data for Altamira (San Mateo) 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) | 28.7 | 34.1 | 34.0 | 36.2 | 35.7 | 40.3 | 38.4 | 38.6 | 37.7 | 33.0 | 31.2 | 26.1 |
| Average daytime temperature (°C) | 23.1 | 25.0 | 29.1 | 30.7 | 32.6 | 37.7 | 35.1 | 35.7 | 34.5 | 26.4 | 22.8 | 21.2 |
| Average temperature (°C) | 14.8 | 16.3 | 20.8 | 23.3 | 25.9 | 31.3 | 29.4 | 29.9 | 28.4 | 20.9 | 16.2 | 14.1 |
| Average night temperature (°C) | 7.6 | 9.3 | 13.2 | 15.8 | 19.0 | 24.1 | 23.4 | 23.5 | 21.8 | 16.2 | 10.9 | 7.6 |
| Absolute minimum temperature (°C) | 0.1 | 1.0 | 4.3 | 11.0 | 14.3 | 19.8 | 19.7 | 20.6 | 19.8 | 7.6 | 4.5 | -1.0 |
| 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 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.9 | 10.5 |
| 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) | 9.6 | 9.4 | 10.6 | 11.2 | 11.0 | 12.4 | 11.5 | 11.9 | 11.5 | 7.7 | 8.0 | 8.9 |
| Precipitation (mm) | 0 | 1 | 6 | 0 | 5 | 0 | 40 | 0 | 6 | 41 | 13 | 0 |
| Sunny days | 30 | 27 | 26 | 29 | 23 | 30 | 24 | 28 | 28 | 18 | 25 | 31 |
| Rainy days | 1 | 0 | 5 | 1 | 8 | 0 | 7 | 3 | 2 | 13 | 5 | 0 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Altamira (San Mateo) is at