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You are here: Home / Island Weather Averages

Island Weather Averages

Sanibel & Captiva Islands Weather Averages (Source: Sanibel/Captiva Chamber of Commerce)

Average Highs Average Lows Monthly Averages Average Rainfall Gulf Temperature
Month F C F C F C Inches Degrees (F)
January 72 22 55.5 13.1 63.8 17.3 2.1 66
February 73.2 22.8 56.4 13.6 64.8 18.2 2.3 66
March 76.5 24.7 59.8 15.4 68.2 20.1 2.3 71
April 81.3 26.8 64.8 18.1 73.1 22.8 1.8 77
May 86.1 30.1 69.9 21.1 78 25.6 4.5 82
June 89.2 31.8 74 22.8 81.6 27.6 9.4 86
July 89.9 32.2 75.2 24 82.6 28.1 8.5 87
August 90.5 32.5 75.6 24.2 83.1 28.4 8.6 87
September 88.9 31.6 74.5 23.6 81.7 27.6 8.2 86
October 83.8 28.8 68.9 20.5 76.4 24.7 3.2 81
November 76.8 24.9 60.7 15.9 69.8 21 1.8 73
December 72.5 22.5 56.2 13.4 64.4 18 1.5 68
Average Year 81 27.5 65 18.8 73.9 23.2 4.5 77.5

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