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Yearly Normals for Simms, MT

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 13 34 24 0.25 1288 0 Feb 17 39 28 0.19 1029 0 Mar 24 46 35 0.34 928 0 Apr 32 56 44 0.72 635 0 May 40 65 53 2 383 2 Jun 48 74 61 2.15 174 45 Jul 52 81 66 1.31 75 117 Aug 51 81 66 1.38 98 127 Sep 43 70 57 0.99 292 38 Oct 35 59 47 0.52 557 0 Nov 24 43 33 0.25 958 0 Dec 16 36 26 0.22 1212 0 Year 33 57 45 10.32 7629 329 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather