You might spend a lot of your holiday inside, but if you want to see more of the area, looking at local weather trends is a good idea. The hottest months are usually August and July, with an average temperature of 28°C, while the coldest months are January and February, with an average of 20°C. The rainiest months in Fort Myers Beach are August, September, July and June, with each month seeing an average of 219 mm of rainfall.