Average annual temperature is 14.5 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 0.1 °C
Number of sunny days: 264 days
Number of rainy days: 101 days
Look at detailed online map of San Mateo
* Weather data for San Mateo Chile is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.5 | 39.0 | 33.1 | 27.7 | 23.2 | 17.1 | 18.5 | 18.4 | 23.0 | 25.2 | 28.0 | 33.9 |
| Average daytime temperature (°C) | 30.4 | 31.4 | 28.5 | 22.0 | 16.2 | 14.3 | 13.6 | 14.7 | 15.4 | 19.3 | 21.2 | 26.8 |
| Average temperature (°C) | 21.1 | 22.1 | 19.4 | 15.3 | 11.1 | 10.1 | 9.1 | 9.8 | 10.4 | 12.7 | 14.2 | 18.6 |
| Average night temperature (°C) | 13.6 | 14.4 | 12.3 | 10.4 | 7.7 | 6.9 | 6.0 | 6.0 | 6.3 | 7.0 | 8.3 | 11.5 |
| Absolute minimum temperature (°C) | 11.0 | 11.3 | 7.4 | 7.0 | 1.6 | 0.1 | 1.7 | 1.0 | 2.6 | 4.6 | 4.2 | 7.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.3 | 13.4 | 12.3 | 11.2 | 10.2 | 9.7 | 10.0 | 10.8 | 11.9 | 13.0 | 14.0 | 14.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 13.2 | 12.4 | 11.1 | 8.3 | 6.3 | 5.2 | 5.5 | 6.7 | 7.3 | 10.7 | 11.5 | 12.8 |
| Precipitation (mm) | 5 | 0 | 1 | 36 | 76 | 232 | 162 | 184 | 148 | 31 | 38 | 5 |
| Sunny days | 30 | 28 | 29 | 21 | 21 | 16 | 17 | 15 | 14 | 23 | 24 | 26 |
| Rainy days | 1 | 0 | 2 | 9 | 10 | 14 | 14 | 16 | 16 | 8 | 6 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Mateo during the most sunny months:
The largest precipitation sum in San Mateo is at