Rovaniemi Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 14 °F-10 °C Feb 20 °F-7 °C Mar 30 °F-1 °C Apr 43 °F6 °C May 50 °F10 °C Jun 64 °F18 °C Jul 61 °F16 °C Aug 61 °F16 °C Sep 50 °F10 °C Oct 36 °F2 °C Nov 24 °F-5 °C Dec 30 °F-1 °C Humidity Jan 74% Feb 77% Mar 74% Apr 72% May 63% Jun 62% Jul 66% Aug 80% Sep 83% Oct 83% Nov 86% Dec 87% Rain Jan 16mm Feb 21mm Mar 26mm Apr 4mm May 36mm Jun 40mm Jul 16mm Aug 34mm Sep 35mm Oct 37mm Nov 16mm Dec 27mm Clouds Jan 83% Feb 72% Mar 73% Apr 51% May 75% Jun 60% Jul 63% Aug 85% Sep 62% Oct 93% Nov 98% Dec 97% Sun Jan 0UVI Feb 0UVI Mar 1UVI Apr 2UVI May 3UVI Jun 3UVI Jul 3UVI Aug 2UVI Sep 2UVI Oct 0UVI Nov 0UVI Dec 0UVI