Suwon Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 37 °F3 °C Feb 39 °F4 °C Mar 50 °F10 °C Apr 61 °F16 °C May 73 °F23 °C Jun 77 °F25 °C Jul 82 °F28 °C Aug 86 °F30 °C Sep 79 °F26 °C Oct 70 °F21 °C Nov 53 °F12 °C Dec 41 °F5 °C Humidity Jan 36% Feb 39% Mar 49% Apr 52% May 53% Jun 66% Jul 77% Aug 72% Sep 66% Oct 60% Nov 60% Dec 58% Rain Jan 2mm Feb 10mm Mar 20mm Apr 32mm May 19mm Jun 45mm Jul 68mm Aug 48mm Sep 61mm Oct 48mm Nov 54mm Dec 25mm Clouds Jan 32% Feb 61% Mar 52% Apr 67% May 52% Jun 65% Jul 66% Aug 57% Sep 82% Oct 41% Nov 53% Dec 50% Air quality US AQI Jan 104 Feb 102 Mar 116 Apr 90 May 91 Jun 86 Jul 70 Aug 72 Sep 58 Oct 68 Nov 94 Dec 97 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 5UVI May 6UVI Jun 6UVI Jul 6UVI Aug 6UVI Sep 5UVI Oct 4UVI Nov 3UVI Dec 2UVI