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Yearly Normals for Lennep, MT

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 11 32 21 0.47 1357 0 Feb 15 37 26 0.38 1103 0 Mar 21 44 32 0.84 1013 0 Apr 28 54 41 1.18 731 0 May 36 63 49 2.29 493 0 Jun 43 72 57 2.21 252 18 Jul 47 80 64 1.52 123 77 Aug 46 80 63 1.2 136 72 Sep 38 69 54 1.23 360 13 Oct 30 57 44 0.99 667 0 Nov 20 40 30 0.44 1050 0 Dec 12 33 23 0.47 1315 0 Year 29 55 42 13.22 8600 180 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather