Last updated: March 2, 2024
The weather in San Francisco, Peru, during April is characterized by an average temperature of 16°C (61°F). Highs can soar to 23°C (74°F), while lows may dip to 10°C (50°F). Typically, the humidity level in San Francisco throughout April hovers around 90%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, San Francisco averages 282 mm (11.1 inches) of rainfall, typically over the course of 25 rainy days. The month enjoys an average of 11 hours 47 minutes of daylight, with the sun shining for approximately 9 hours 34 minutes each day. Additionally, there is a 18% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in San Francisco reaches a maximum of 16, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 3 | 7 | 12 | 15 | 16 | 14 | 11 | 6 | 3 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 25 min | 30 min | 45 min | ||||||