Weather in the USVI in August

An afternoon shower may be just the thing to break up the midday heat. August, one of the hottest months of the year, August is also a middle month when considering severe tropical weather, which does make its way across the Atlantic this time of year. However, such powerful storms are more likely to hit the U.S. coast than the Virgin Islands. Vacationers may experience a slight weather variation from these averages, which are based on St. Thomas' observations.

Typical Weather in August

August temperatures in the Virgin Islands range from an average low of 79.0 degrees to an average high of 89.0 degrees


The Virgin Islands in August: Key Facts
Monthly Averages
High Low Rainfall
No. of Days
with Rain
89.0° F 79.0° F N.A. 5.0

On any given day during August in the Virgin Islands, you can expect early morning temperatures to be around 82.8 degrees. Temperatures in the Virgin Islands typically rise during the day, to an average of 88.1 degrees in the early afternoon. By early evening, temperatures in the Virgin Islands generally decline to around 81.2 degrees. Temperatures in the Virgin Islands average around 84.8 degrees during August.


August Temperatures in The Virgin Islands by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
82.8° F 87.3° F 88.1° F 85.5° F 81.2° F 84.8° F



During August, rain is most likely to occur around 2:00 PM , and least likely to occur around 5:00 PM . In the Virgin Islands during August, thunderstorms -- when they occur -- are most likely sometime around 2:00 PM .


August Rainfall in The Virgin Islands by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
2:00 AM # #
5:00 AM # #
8:00 AM 2.3 % 0.2 %
11:00 AM 2.6 % 0.3 %
2:00 PM 3.1 % 1.3 %
5:00 PM 1.6 % 0.5 %
8:00 PM 2.3 % 1 %
11:00 PM 2.3 % 0.8 %
ALL 2.4 % 0.7 %


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