The Expansion of Water Upon Freezing The fact that water expands upon freezing causes icebergs to float. The fact that water reaches a maximum density at about 4Â°C causes bodies of water to freeze on the top first.
Fort Myers: Annual Weather Averages. July is the hottest month in Fort Myers with an average temperature of 28Â°C (83Â°F) and the coldest is January at 17Â°C (62Â°F) with the most daily sunshine hours at 11 in June. The wettest month is September with an average of 134.9mm of rain.
The average hourly wind speed in Fort Myers is increasing during October, increasing from 7.8 miles per hour to 9.2 miles per hour over the course of the month. For reference, on March 13, the windiest day of the year, the daily average wind speed is 9.6 miles per hour, while on August 4, the calmest day of the year, the daily average wind speed is 5.6 miles per hour.