Vancouver Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 46 °F8 °C Feb 39 °F4 °C Mar 52 °F11 °C Apr 55 °F13 °C May 64 °F18 °C Jun 67 °F20 °C Jul 72 °F22 °C Aug 73 °F23 °C Sep 64 °F18 °C Oct 55 °F13 °C Nov 52 °F11 °C Dec 45 °F7 °C Humidity Jan 71% Feb 62% Mar 62% Apr 68% May 66% Jun 64% Jul 67% Aug 67% Sep 75% Oct 70% Nov 72% Dec 77% Rain Jan 88mm Feb 43mm Mar 27mm Apr 53mm May 21mm Jun 66mm Jul 39mm Aug 28mm Sep 94mm Oct 87mm Nov 58mm Dec 90mm Clouds Jan 63% Feb 48% Mar 37% Apr 51% May 32% Jun 37% Jul 31% Aug 32% Sep 46% Oct 52% Nov 58% Dec 79% Air quality US AQI Jan 23 Feb 26 Mar 28 Apr 19 May 19 Jun 16 Jul 18 Aug 27 Sep 17 Oct 25 Nov 30 Dec 22 Sun Jan 1UVI Feb 1UVI Mar 3UVI Apr 4UVI May 5UVI Jun 6UVI Jul 6UVI Aug 6UVI Sep 4UVI Oct 2UVI Nov 1UVI Dec 1UVI