Wellington Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 72 °F22 °C Feb 71 °F22 °C Mar 68 °F20 °C Apr 61 °F16 °C May 63 °F17 °C Jun 55 °F13 °C Jul 55 °F13 °C Aug 55 °F13 °C Sep 57 °F14 °C Oct 59 °F15 °C Nov 63 °F17 °C Dec 66 °F19 °C Humidity Jan 67% Feb 64% Mar 71% Apr 69% May 70% Jun 65% Jul 68% Aug 63% Sep 66% Oct 64% Nov 67% Dec 64% Rain Jan 12mm Feb 22mm Mar 30mm Apr 78mm May 55mm Jun 131mm Jul 43mm Aug 37mm Sep 31mm Oct 46mm Nov 37mm Dec 66mm Clouds Jan 42% Feb 28% Mar 40% Apr 58% May 46% Jun 54% Jul 64% Aug 46% Sep 53% Oct 65% Nov 59% Dec 46% Air quality US AQI Jan 30 Feb 27 Mar 26 Apr 23 May 29 Jun 33 Jul 30 Aug 29 Sep 28 Oct 26 Nov 30 Dec 26 Sun Jan 9UVI Feb 9UVI Mar 5UVI Apr 3UVI May 2UVI Jun 1UVI Jul 2UVI Aug 2UVI Sep 3UVI Oct 5UVI Nov 7UVI Dec 8UVI