Puerto Viejo Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 82 °F28 °C Feb 82 °F28 °C Mar 82 °F28 °C Apr 83 °F29 °C May 84 °F29 °C Jun 84 °F29 °C Jul 84 °F29 °C Aug 84 °F29 °C Sep 84 °F29 °C Oct 84 °F29 °C Nov 83 °F29 °C Dec 82 °F28 °C Humidity Jan 85% Feb 85% Mar 88% Apr 90% May 93% Jun 92% Jul 94% Aug 94% Sep 90% Oct 89% Nov 91% Dec 91% Rain Jan 36mm Feb 26mm Mar 44mm Apr 34mm May 72mm Jun 134mm Jul 129mm Aug 110mm Sep 98mm Oct 83mm Nov 119mm Dec 129mm Clouds Jan 33% Feb 39% Mar 54% Apr 58% May 75% Jun 75% Jul 59% Aug 65% Sep 59% Oct 59% Nov 48% Dec 55% Sun Jan 10UVI Feb 10UVI Mar 11UVI Apr 10UVI May 8UVI Jun 8UVI Jul 9UVI Aug 9UVI Sep 9UVI Oct 9UVI Nov 9UVI Dec 8UVI