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Yearly Normals for Clewiston, FL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 52 74 63 2.04 170 84 Feb 52 75 64 2.05 118 84 Mar 57 79 68 2.93 45 135 Apr 61 83 72 2.35 8 210 May 66 88 77 3.7 0 362 Jun 71 90 80 6.98 0 461 Jul 72 91 82 6.67 0 515 Aug 73 91 82 6.8 0 512 Sep 72 89 81 6.42 0 464 Oct 67 84 76 2.95 1 332 Nov 61 79 70 1.91 22 172 Dec 54 75 65 1.64 109 92 Year 63 83 73 46.44 473 3423 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather