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Yearly Normals for Chelsea, OK

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 24 47 36 1.75 916 0 Feb 29 53 41 1.96 671 0 Mar 38 63 51 3.82 442 1 Apr 47 73 60 3.95 191 41 May 57 80 68 5.07 50 149 Jun 66 88 77 4.71 2 350 Jul 70 94 82 2.83 0 522 Aug 69 93 81 2.89 1 497 Sep 61 85 73 5.08 28 267 Oct 49 74 62 3.55 143 45 Nov 38 61 49 3.8 476 4 Dec 28 49 39 2.27 818 0 Year 48 72 60 41.68 3738 1876 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather