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Yearly Normals for Fort Jefferson National Monu, FL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 65 75 70 2.22 24 172 Feb 66 76 71 1.51 18 183 Mar 69 79 74 1.86 6 277 Apr 72 82 77 2.06 0 361 May 76 85 81 3.48 0 485 Jun 79 88 83 4.57 0 552 Jul 80 89 85 3.27 0 604 Aug 79 90 84 5.4 0 600 Sep 79 88 83 5.45 0 550 Oct 76 85 80 4.34 0 473 Nov 72 81 76 2.64 0 340 Dec 67 77 72 2.14 14 233 Year 73 83 78 38.94 62 4830 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather