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Yearly Normals for Letha, ID

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 18 34 26 1.29 1199 0 Feb 24 43 34 0.87 881 0 Mar 31 56 43 0.86 677 0 Apr 37 65 51 0.68 431 2 May 45 74 60 0.93 194 23 Jun 51 84 68 0.62 64 139 Jul 57 93 75 0.3 9 327 Aug 54 92 73 0.28 18 262 Sep 45 81 63 0.47 143 70 Oct 34 66 50 0.55 457 0 Nov 27 47 37 1.19 845 0 Dec 20 36 28 1.41 1160 0 Year 37 64 51 9.45 6078 823 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather