WEATHER ON AMELIA ISLAND Current weather conditions and the four-day forecast for the Jacksonville, Florida area, including Amelia Island and Fernandina Beach, are provided courtesy of Amelia Island Destinations and WJXT Channel 4 in Jacksonville and are reported from Jacksonville International Airport, approximately 15 miles inland and 25 miles southwest of Amelia Island. Being surrounded by water often causes temperatures on the Island to be 3 to 5 degrees cooler in summer and 3 to 5 degrees warmer in winter than those reported or forecast from the airport.  AVERAGE MONTHLY HIGH AND LOW TEMPERATURES AND RAINFALL Temperatures and rainfall are based on a 30 year average at the nearest data-gathering point in Jacksonville. Amelia Island temperatures tend to be milder.   January Average High Temperature: 64.6 degrees Average Low Temperature: 41.7 degrees Average Precipitation: 3.07 inches February   Average High Temperature: 66.8 degrees Average Low Temperature: 43.3 degrees Average Precipitation: 3.48 inches March Average High Temperature: 73.3 degrees Average Low Temperature: 49.3 degrees Average Precipitation: 3.72 inches April  Average High Temperature: 79.7 degrees Average Low Temperature: 55.7 degrees Average Precipitation: 3.32 inches May   Average High Temperature: 85.2 degrees Average Low Temperature: 63 degrees Average Precipitation: 4.91 inches June   Average High Temperature: 88.9 degrees Average Low Temperature: 69.1 degrees Average Precipitation: 5.37 inches July   Average High Temperature: 90.7 degrees Average Low Temperature: 71.8 degrees Average Precipitation: 6.54 inches August   Average High Temperature: 90.2 degrees Average Low Temperature: 71.8 degrees Average Precipitation: 7.15 inches September   Average High Temperature: 86.9 degrees Average Low Temperature: 69.4 degrees Average Precipitation: 7.26 inches October   Average High Temperature: 79.7 degrees Average Low Temperature: 59.2 degrees Average Precipitation: 3.41 inches November   Average High Temperature: 72.4 degrees Average Low Temperature: 59.2 degrees Average Precipitation: 1.94 inches December Average High Temperature: 66.3 degrees Average Low Temperature: 43.2 degrees Average Precipitation: 2.59 inches AVERAGE WATER TEMPERATURES January through March: 50 degrees April through May: 72 - 74 degrees June through August: 80 degrees September through October: 76 degrees November through December: 68 degrees