Bend, OR Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 39 °F 4 °C Feb 34 °F 1 °C Mar 45 °F 7 °C Apr 51 °F 11 °C May 59 °F 15 °C Jun 72 °F 22 °C Jul 73 °F 23 °C Aug 79 °F 26 °C Sep 67 °F 20 °C Oct 52 °F 11 °C Nov 53 °F 12 °C Dec 41 °F 5 °C Humidity Jan 74% Feb 70% Mar 70% Apr 60% May 52% Jun 46% Jul 50% Aug 44% Sep 59% Oct 55% Nov 60% Dec 76% Rain Jan 26mm Feb 40mm Mar 22mm Apr 26mm May 20mm Jun 12mm Jul 11mm Aug 21mm Sep 32mm Oct 12mm Nov 13mm Dec 21mm Clouds Jan 47% Feb 67% Mar 44% Apr 48% May 25% Jun 13% Jul 9% Aug 7% Sep 29% Oct 34% Nov 47% Dec 53% Air quality US AQI Jan 21 Feb 15 Mar 12 Apr 10 May 15 Jun 12 Jul 29 Aug 55 Sep 33 Oct 23 Nov 29 Dec 27 Sun Jan 1UVI Feb 2UVI Mar 3UVI Apr 5UVI May 6UVI Jun 9UVI Jul 9UVI Aug 8UVI Sep 6UVI Oct 4UVI Nov 2UVI Dec 1UVI