Average annual temperature is 6.3 °C
Absolute maximum temperature: 23.1 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 115 days
Number of rainy days: 239 days
Number of snow days: 11 days
Look at detailed online map of San Sebastián
* Weather data for San Sebastián Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.9 | 22.8 | 16.6 | 15.3 | 14.2 | 8.4 | 7.3 | 8.4 | 14.7 | 18.5 | 17.3 | 23.1 |
| Average daytime temperature (°C) | 16.5 | 15.0 | 11.6 | 9.3 | 7.9 | 4.4 | 3.4 | 4.7 | 6.8 | 10.5 | 11.9 | 14.2 |
| Average temperature (°C) | 12.3 | 11.0 | 7.6 | 5.9 | 5.3 | 2.5 | 0.6 | 2.3 | 3.4 | 6.8 | 8.0 | 10.2 |
| Average night temperature (°C) | 8.6 | 7.7 | 4.5 | 3.1 | 2.8 | 0.3 | -1.7 | 0.0 | 0.5 | 3.8 | 4.5 | 6.4 |
| Absolute minimum temperature (°C) | 5.5 | 2.6 | -0.5 | -2.6 | -1.6 | -3.0 | -5.5 | -4.6 | -3.3 | -1.9 | -0.4 | 2.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 |
| Daylight mean duration (h) | 16.3 | 14.6 | 12.5 | 10.4 | 8.6 | 7.6 | 8.1 | 9.7 | 11.7 | 13.8 | 15.8 | 16.9 |
| Daylight minimum duration (h) | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 | 7.0 | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 |
| Sunshine mean duration (h) | 10.9 | 9.3 | 8.0 | 6.4 | 4.3 | 3.6 | 4.3 | 5.1 | 7.8 | 9.2 | 10.5 | 12.2 |
| Precipitation (mm) | 47 | 60 | 49 | 54 | 50 | 18 | 31 | 49 | 22 | 22 | 50 | 30 |
| Sunny days | 7 | 1 | 8 | 9 | 9 | 15 | 16 | 6 | 13 | 13 | 7 | 11 |
| Rainy days | 24 | 27 | 23 | 21 | 22 | 13 | 10 | 23 | 15 | 18 | 23 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 2 | 2 | 0 | 0 | 0 |
The best time to visit San Sebastián during the most sunny months:
Months with the longest average daylight duration in San Sebastián:
The largest precipitation sum in San Sebastián is at