July Weather in San Juan

Last updated: March 2, 2024

The weather in San Juan, Peru, during July is characterized by an average temperature of 13°C (55°F). Highs can soar to 18°C (65°F), while lows may dip to 5°C (41°F). Typically, the humidity level in San Juan throughout July hovers around 56%.

5°C (41°F)

Minimum temperature

13°C (55°F)

Average temperature

18°C (65°F)

Maximum temperature

56%

Humidity

Precipitation and Sunshine hours

In July, San Juan averages 19 mm (0.7 inches) of rainfall, typically over the course of 6 rainy days. The month enjoys an average of 11 hours 25 minutes of daylight, with the sun shining for approximately 10 hours 50 minutes each day. Additionally, there is a 83% probability of sunny days during this period.

19 mm (0.7 inches)

Precipitation

6 rainy days

Rainy days

10 hours 50 minutes

Sunshine hours

83%

Chance of sun

UV Index

In July, the UV Index in San Juan reaches a maximum of 13, 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 12 13 12 9 5 2 1 0 0
Exposure Low Moderate VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 30 min 45 min

Compare San Juan's Climate with Cities Worldwide