Montego Bay Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 81 °F27 °C Feb 81 °F27 °C Mar 81 °F27 °C Apr 82 °F28 °C May 84 °F29 °C Jun 86 °F30 °C Jul 86 °F30 °C Aug 86 °F30 °C Sep 86 °F30 °C Oct 84 °F29 °C Nov 82 °F28 °C Dec 82 °F28 °C Humidity Jan 71% Feb 71% Mar 71% Apr 73% May 73% Jun 73% Jul 73% Aug 74% Sep 74% Oct 74% Nov 74% Dec 74% Rain Jan 48mm Feb 37mm Mar 90mm Apr 103mm May 188mm Jun 191mm Jul 181mm Aug 174mm Sep 138mm Oct 159mm Nov 67mm Dec 88mm Clouds Jan 20% Feb 21% Mar 23% Apr 24% May 40% Jun 30% Jul 27% Aug 34% Sep 36% Oct 37% Nov 23% Dec 31% Sun Jan 8UVI Feb 9UVI Mar 12UVI Apr 12UVI May 11UVI Jun 11UVI Jul 11UVI Aug 11UVI Sep 10UVI Oct 9UVI Nov 8UVI Dec 7UVI