Average annual temperature is 1.6 °C
Absolute maximum temperature: 11.8 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 65 days
Number of rainy days: 300 days
Look at detailed online map of San José
* Weather data for San José 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) | 8.7 | 8.2 | 9.0 | 9.4 | 9.6 | 7.9 | 10.8 | 11.8 | 9.8 | 10.2 | 10.7 | 9.4 |
| Average daytime temperature (°C) | 6.2 | 6.4 | 6.4 | 6.9 | 6.8 | 6.6 | 8.1 | 8.1 | 7.1 | 7.9 | 7.8 | 7.6 |
| Average temperature (°C) | 1.3 | 2.1 | 1.7 | 1.6 | 1.4 | 0.4 | 0.3 | 1.0 | 1.5 | 2.2 | 3.0 | 2.9 |
| Average night temperature (°C) | -2.7 | -1.3 | -2.0 | -3.0 | -3.2 | -5.0 | -5.8 | -5.0 | -3.3 | -2.6 | -0.8 | -1.0 |
| Absolute minimum temperature (°C) | -6.1 | -3.9 | -4.9 | -5.7 | -7.1 | -8.6 | -8.2 | -8.3 | -7.2 | -4.9 | -3.9 | -3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum 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 |
| Daylight mean duration (h) | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 | 11.5 | 11.8 | 12.0 | 12.3 | 12.6 | 12.8 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.0 | 8.3 | 8.0 | 9.5 | 9.8 | 10.4 | 10.5 | 10.8 | 10.4 | 9.7 | 9.4 | 8.7 |
| Precipitation (mm) | 144 | 135 | 130 | 81 | 76 | 20 | 4 | 31 | 70 | 82 | 133 | 149 |
| Sunny days | 0 | 0 | 0 | 3 | 7 | 14 | 24 | 15 | 1 | 1 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 27 | 24 | 16 | 7 | 16 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San José is at