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Fort Myers, USA Weather Averages

July is the hottest month in Fort Myers with an average temperature of 29°C (83°F) and the coldest is January at 17°C (62°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 best month to swim in the sea is in August when the average sea temperature is 30°C (86°F).

Average Temperature Fort Myers

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Fort Myers

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Fort Myers

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Fort Myers

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Fort Myers

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Fort Myers : Next 24-Hour Weather

Today - 12th September 2026

Sunrise 07:11

Sunrise

Sunset 19:35

Sunset
19:00
Torrential rain shower
22°C (72°F)
20:00
Torrential rain shower
23°C (73°F)
21:00
Light rain shower
24°C (74°F)
22:00
Overcast
26°C (77°F)
23:00
Light rain shower
26°C (78°F)

Tomorrow - 13th September 2026

Sunrise 07:11

Sunrise

Sunset 19:35

Sunset
0:00
Light rain shower
26°C (78°F)
1:00
Light rain shower
25°C (76°F)
2:00
Light rain shower
25°C (76°F)
3:00
Overcast
25°C (76°F)
4:00
Overcast
25°C (77°F)
5:00
Overcast
26°C (77°F)
6:00
Overcast
26°C (77°F)
7:00
Overcast
26°C (77°F)
8:00
Overcast
26°C (78°F)
9:00
Partly cloudy
28°C (81°F)
10:00
Cloudy
30°C (85°F)
11:00
Partly cloudy
32°C (89°F)
12:00
Partly cloudy
33°C (91°F)
13:00
Overcast
34°C (92°F)
14:00
Overcast
35°C (94°F)
15:00
Overcast
34°C (92°F)
16:00
Moderate or heavy rain shower
31°C (86°F)
17:00
Thundery outbreaks possible
30°C (86°F)
18:00
Thundery outbreaks possible
31°C (86°F)
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