Kaunas Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 28 °F-2 °C Feb 37 °F3 °C Mar 43 °F6 °C Apr 58 °F15 °C May 63 °F17 °C Jun 76 °F25 °C Jul 66 °F19 °C Aug 72 °F22 °C Sep 62 °F17 °C Oct 55 °F13 °C Nov 46 °F8 °C Dec 41 °F5 °C Humidity Jan 84% Feb 85% Mar 76% Apr 56% May 73% Jun 72% Jul 79% Aug 76% Sep 75% Oct 86% Nov 89% Dec 87% Rain Jan 30mm Feb 21mm Mar 26mm Apr 4mm May 34mm Jun 121mm Jul 51mm Aug 40mm Sep 27mm Oct 28mm Nov 21mm Dec 20mm Clouds Jan 81% Feb 78% Mar 70% Apr 28% May 81% Jun 39% Jul 45% Aug 49% Sep 66% Oct 83% Nov 93% Dec 91% Air quality US AQI Jan 55 Feb 70 Mar 51 Apr 54 May 47 Jun 47 Jul 49 Aug 50 Sep 54 Oct 57 Nov 56 Dec 45 Sun Jan 0UVI Feb 1UVI Mar 1UVI Apr 4UVI May 4UVI Jun 6UVI Jul 5UVI Aug 4UVI Sep 3UVI Oct 2UVI Nov 1UVI Dec 0UVI