Average annual temperature is 9.2 °C
Absolute maximum temperature: 22.0 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of San Sebastian
* Weather data for San Sebastian 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) | 18.0 | 16.6 | 18.5 | 16.9 | 17.6 | 17.5 | 18.4 | 19.6 | 21.4 | 22.0 | 20.8 | 18.2 |
| Average daytime temperature (°C) | 15.4 | 14.6 | 14.7 | 14.8 | 14.1 | 14.8 | 16.6 | 16.1 | 18.2 | 18.5 | 17.4 | 16.2 |
| Average temperature (°C) | 9.4 | 9.0 | 8.8 | 8.5 | 7.6 | 7.2 | 8.5 | 8.4 | 10.6 | 11.3 | 10.4 | 10.3 |
| Average night temperature (°C) | 4.1 | 4.6 | 4.0 | 1.7 | 0.7 | -2.1 | -0.8 | -0.7 | 2.3 | 4.4 | 4.6 | 5.7 |
| Absolute minimum temperature (°C) | 0.8 | 2.5 | 1.0 | -0.1 | -3.4 | -4.4 | -3.9 | -3.8 | -3.0 | 1.3 | 1.2 | 2.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 | 11.3 | 11.6 | 12.0 | 12.4 | 12.8 | 13.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.1 | 10.1 | 10.4 | 10.8 | 10.1 | 10.5 | 10.5 | 10.7 | 11.1 | 11.1 | 10.8 | 10.8 |
| Precipitation (mm) | 147 | 204 | 206 | 40 | 45 | 0 | 9 | 6 | 15 | 82 | 146 | 227 |
| Sunny days | 3 | 0 | 1 | 14 | 18 | 30 | 28 | 23 | 16 | 9 | 4 | 1 |
| Rainy days | 28 | 28 | 30 | 16 | 13 | 0 | 3 | 8 | 14 | 22 | 26 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Sebastian is at