Normal weather in San Juan in May
The weather in San Juan in May has an average temperature of around 30°C during the day. On average, May sees 375 mm of rain in San Juan. The wind speed is 2 Beaufort and mainly comes from Southwest.
After April, May in San Juan starts with a temperature of 30°C and ends around June at 30°C.
The hurricane season in San Juan lasts from early June to late November.
May averages for San Juan
![]() | 30°C |
![]() | 32°C |
![]() | 29°C |
![]() | 375 mm |
![]() | 25 days |
Temperature per day in May in San Juan
This graph shows the average daily maximum temperatures in May in San Juan, indicated in degrees Celsius.
Precipitation per day in May in San Juan
This graph shows the average daily precipitation in May in San Juan, indicated in millimeters.
UV index per day in May in San Juan
This graph shows the average daily UV index in May in San Juan.
Yearly temperature in May in San Juan
This graph shows the average yearly temperature in May in San Juan, measured in degrees Celsius, over the past years.
Yearly total precipitation in May in San Juan
This graph shows the average yearly precipitation in millimeters in May in San Juan, over the past years.
Average daily weather in May
Click on a day to get more information about the average weather on that day.
Experiences with the weather in May 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.