August Weather in San Juan

Last updated: March 2, 2024

The weather in San Juan, Peru, during August is characterized by an average temperature of 12°C (55°F). Highs can soar to 22°C (72°F), while lows may dip to 4°C (40°F). Typically, the humidity level in San Juan throughout August hovers around 38%.

4°C (40°F)

Minimum temperature

12°C (55°F)

Average temperature

22°C (72°F)

Maximum temperature

38%

Humidity

Precipitation and Sunshine hours

In August, San Juan averages 47 mm (1.9 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 11 hours 52 minutes of daylight, with the sun shining for approximately 10 hours 48 minutes each day. Additionally, there is a 48% probability of sunny days during this period.

47 mm (1.9 inches)

Precipitation

9 rainy days

Rainy days

10 hours 48 minutes

Sunshine hours

48%

Chance of sun

UV Index

In August, the UV Index in San Juan reaches a maximum of 14, 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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 2 5 9 13 14 14 11 7 3 1 1 0
Exposure Low Moderate VeryHigh Extreme High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 25 min 30 min 45 min

Compare San Juan's Climate with Cities Worldwide