Sullivans Island
Weather Station of the U.S. Weather Service

Located in Charleston County, South Carolina, Sullivans Island is at an elevation of 3 feet and was established as a weather station on 01 Jul 1951.

From 1971 to 2000, the following average readings were recorded:

 - - - - - - - - - JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR Average High....... 56.6 58.9 65.1 72.2 79.8 85.2 88.5 87.4 83.1 75.9 68.0 59.7 73.4 Average Low........ 37.5 38.2 45.4 53.7 63.2 70.3 73.7 72.5 68.3 57.9 48.6 40.2 55.8 Monthly Precipitn.. 4.40 3.23 4.16 2.92 2.88 4.89 4.76 6.27 5.32 3.80 3.10 3.65 49.38 Heating Degree Days 568 461 321 117 15 0 0 0 1 71 229 477 2260 Cooling Degree Days 10 1 18 54 216 382 499 465 321 131 27 10 2134 

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