When vacationing in St. Lucia almost undoubtedly you'll experience delightful weather regardless of when you visit. In the month of June, the temperature doesn't vary much during the day.

On average, temperatures peak at degrees declining to degrees late at night.

As indicated above, during the first part of the month the daily low averages degrees and the high averages degrees. If you vacation during the middle of the month the daily low is typically around degrees and the high is about degrees on average. During the last part of June the lowest temperature reading averages degrees while the average high temperature is degrees. For a more detailed understanding of temperatures in St. Lucia during June, study the table above.