Normal weather in San Juan in August
The weather in San Juan in August has an average temperature of around 31°C during the day. On average, August sees 348 mm of rain in San Juan. The wind speed is 3 Beaufort and mainly comes from West.
After July, August in San Juan starts with a temperature of 32°C and ends around September at 32°C.
The hurricane season in San Juan lasts from early June to late November.
August averages for San Juan
![]() | 31°C |
![]() | 32°C |
![]() | 29°C |
![]() | 348 mm |
![]() | 26 days |
Temperature per day in August in San Juan
This graph shows the average daily maximum temperatures in August in San Juan, indicated in degrees Celsius.
Precipitation per day in August in San Juan
This graph shows the average daily precipitation in August in San Juan, indicated in millimeters.
UV index per day in August in San Juan
This graph shows the average daily UV index in August in San Juan.
Yearly temperature in August in San Juan
This graph shows the average yearly temperature in August in San Juan, measured in degrees Celsius, over the past years.
Yearly total precipitation in August in San Juan
This graph shows the average yearly precipitation in millimeters in August in San Juan, over the past years.
Average daily weather in August
Click on a day to get more information about the average weather on that day.
Experiences with the weather in August in San Juan
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Average weather in San Juan per month
Click on a month below to see in detail how the weather typically is in San Juan and what to expect. Based on the historical weather data of San Juan, you can view the average temperature, precipitation, wind, and UV index for each day of the month.