The islands' tropical climate is moderated by fairly constant northeast tradewinds, with velocities ranging between thirty and forty-eight kilometers per hour. There is little precipitation, however, because of the islands' low elevations. Rainfall averages ninety-nine centimeters per year, but the amount varies widely from season to season. In general, the wettest period is September through November. The islands generally experience low humidity and recurrent droughts. Hurricanes strike on an average of once a year. Temperatures average 27°C, with a range from 23°C in the winter to 30°C in the summer and fall; the coolest period is December through February.

Data as of December 1989

NOTE: The information regarding Antigua and Barbuda on this page is re-published from The Library of Congress Country Studies and the CIA World Factbook. No claims are made regarding the accuracy of Antigua and Barbuda Climate information contained here. All suggestions for corrections of any errors about Antigua and Barbuda Climate should be addressed to the Library of Congress and the CIA.