Average annual temperature is 25.7 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of San Mateo
* Weather data for San Mateo Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.9 | 32.2 | 33.7 | 33.9 | 31.8 | 31.4 | 32.0 | 33.2 | 35.2 | 37.1 | 34.7 | 33.3 |
| Average daytime temperature (°C) | 28.9 | 29.1 | 30.0 | 29.6 | 29.7 | 28.7 | 30.0 | 31.0 | 32.4 | 33.6 | 31.9 | 30.6 |
| Average temperature (°C) | 24.7 | 24.9 | 25.4 | 25.2 | 25.5 | 24.6 | 25.3 | 25.9 | 26.8 | 27.5 | 26.9 | 26.0 |
| Average night temperature (°C) | 22.1 | 22.3 | 22.6 | 22.6 | 23.0 | 21.9 | 22.1 | 22.5 | 23.1 | 23.8 | 23.6 | 23.3 |
| Absolute minimum temperature (°C) | 21.3 | 21.3 | 21.5 | 21.6 | 21.9 | 18.2 | 21.0 | 21.0 | 21.7 | 22.5 | 22.6 | 22.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.2 | 7.4 | 7.7 | 6.8 | 8.5 | 8.3 | 9.6 | 9.7 | 9.9 | 9.8 | 9.2 | 8.0 |
| Precipitation (mm) | 465 | 343 | 430 | 401 | 438 | 237 | 212 | 187 | 134 | 121 | 193 | 364 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 5 | 2 | 1 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 29 | 29 | 30 | 30 | 26 | 28 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Mateo is at