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 6°C (44°F). Highs can soar to 17°C (62°F), while lows may dip to -6°C (22°F). Typically, the humidity level in San Juan throughout August hovers around 47%.

-6°C (22°F)

Minimum temperature

6°C (44°F)

Average temperature

17°C (62°F)

Maximum temperature

47%

Humidity

Precipitation and Sunshine hours

In August, San Juan averages 35 mm (1.4 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 11 hours 37 minutes of daylight, with the sun shining for approximately 11 hours 4 minutes each day. Additionally, there is a 66% probability of sunny days during this period.

35 mm (1.4 inches)

Precipitation

8 rainy days

Rainy days

11 hours 4 minutes

Sunshine hours

66%

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 3 6 10 13 14 12 9 5 2 1 0 0
Exposure Low Moderate High VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 30 min 45 min

Compare San Juan's Climate with Cities Worldwide