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Yearly Normals for Dayton, MT

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 15 30 23 1.32 1310 0 Feb 19 36 27 1.19 1054 0 Mar 25 45 35 1.31 933 0 Apr 32 55 44 1.71 647 0 May 40 64 52 2.54 413 1 Jun 46 71 58 2.86 215 17 Jul 49 79 64 1.8 110 76 Aug 48 79 64 1.48 112 66 Sep 39 68 53 1.59 355 7 Oct 30 55 43 1.25 686 0 Nov 25 40 32 1.54 986 0 Dec 18 32 25 1.59 1255 0 Year 32 54 43 20.18 8076 167 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather