Average annual temperature is 22.5 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 6.9 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of San Francisco
* Weather data for San Francisco Paraguay is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.4 | 34.6 | 33.3 | 31.8 | 28.6 | 27.9 | 30.0 | 32.8 | 37.1 | 35.8 | 37.7 | 37.1 |
| Average daytime temperature (°C) | 30.8 | 29.1 | 30.2 | 26.9 | 24.9 | 22.6 | 24.1 | 26.4 | 30.1 | 29.6 | 30.5 | 31.7 |
| Average temperature (°C) | 25.3 | 23.8 | 24.7 | 21.6 | 19.5 | 17.2 | 18.7 | 20.2 | 23.6 | 24.1 | 25.0 | 26.1 |
| Average night temperature (°C) | 20.9 | 19.9 | 20.8 | 17.7 | 15.6 | 13.3 | 14.7 | 15.8 | 19.0 | 20.0 | 21.0 | 22.1 |
| Absolute minimum temperature (°C) | 17.8 | 11.8 | 18.1 | 11.6 | 9.2 | 7.9 | 6.9 | 10.3 | 8.6 | 13.8 | 10.4 | 17.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.8 | 11.3 | 11.9 | 12.7 | 13.3 | 13.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.1 | 9.7 | 9.8 | 8.9 | 8.0 | 7.1 | 7.8 | 8.8 | 8.6 | 8.3 | 9.1 | 10.1 |
| Precipitation (mm) | 209 | 217 | 120 | 129 | 107 | 137 | 114 | 160 | 142 | 320 | 286 | 215 |
| Sunny days | 8 | 5 | 6 | 11 | 15 | 20 | 21 | 18 | 14 | 7 | 5 | 6 |
| Rainy days | 23 | 23 | 25 | 19 | 16 | 10 | 10 | 13 | 16 | 24 | 25 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Francisco is at