Sanibel Island in august: average Weather, Temperature and Climate
Weather in Sanibel Island in august 2025
The weather in Sanibel Island in the month of august comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
bad weather UV index: 7
Weather at 6am
83°F
Clear/Sunny
44% of time
22%
19%
16%
Weather at 12pm
88°F
Heavy rain
29% of time
26%
26%
16%
Weather at 6pm
86°F
Heavy rain
44% of time
26%
22%
8%
Weather at 3am
83°F
49%
24%
18%
10%
Evolution of daily average temperature and precipitation in Sanibel Island in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sanibel Island in august.
The climate of Sanibel Island in august is bad
In august in Sanibel Island, the climate is wet (with 18in of rainfall over 23 days). The situation is deteriorating compared to the previous month since in july there is an average of 15.4in of rainfall over 20 days.
The climate pleasant there this month. The thermometer averaged maximum of 90°F. On average, the recorded minimum temperature is 83°F. Thus, the mean temperature average on this month of august in Sanibel Island is 86°F. Note that seasonal normals in contrast with those observed in Sanibel Island in august with a maximum record of 94°F in 2009 and a minimum record of 77°F in 2010. You can plan to have 86°F or more for all the month.
On average, in Sanibel Island, the days of august last 13:04. Sunrise is at 06:01 and sunset is at 19:05.
With a correct weather, this month is okay (but not good) to go there in Florida.
August: another location in Florida?
If you want to go to Florida in august, there are destinations with better weather than Sanibel Island:
In august, Pensacola has good weather.
Finally, Miami, Key West, Orlando, Everglades National Park, St. Augustine and Tampa have a tolerable climate, but better than Sanibel Island.
Seasonal average climate and temperature of Sanibel Island in august
Check below seasonal norms These datas are compiled from the weather statements of the last years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 94°F (2009) | ||||
| Lowest record temperature | 77°F (2010) | ||||
| Number of days at +86°F | 30 day(s) (97%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 87°F | ||||
| Lowest sea temperature | 85°F | ||||
| Highest sea temperature | 90°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 18in | ||||
| Number of days with rainfall | 23 day(s) (73%) | ||||
| Record daily rainfall | 3.1in (2017) | ||||
| Other climate data | |||||
| Humidity | 79% | ||||
| Visibility | 8.78km | ||||
| Cloud cover | 27% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:01 | ||||
| Time of sunset | 19:05 | ||||
| Length of day | 13:04 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last august?
Here is the day by day recorded weather in Sanibel Island in august 2024:
81°F to 92°F
81°F to 94°F
81°F to 90°F
79°F to 83°F
83°F to 88°F
83°F to 88°F
83°F to 90°F
85°F to 90°F
83°F to 90°F
83°F to 90°F
81°F to 90°F
81°F to 90°F
81°F to 90°F
81°F to 90°F
81°F to 92°F
77°F to 88°F
77°F to 92°F
77°F to 90°F
81°F to 90°F
83°F to 90°F
83°F to 90°F
81°F to 92°F
74°F to 92°F
77°F to 90°F
76°F to 83°F
77°F to 94°F
79°F to 92°F
79°F to 92°F
79°F to 92°F
79°F to 92°F
77°F to 88°F
Map: other cities in Florida in august
Cities near Sanibel Island:
| Captiva Island in august | tolerable weather |
| Pine Island in august | tolerable weather |
| Cape Coral in august | tolerable weather |
| Fort Myers in august | tolerable weather |
| Naples in august | tolerable weather |
| Port Charlotte in august | tolerable weather |
| Marco Island in august | tolerable weather |
| Lido Key in august | tolerable weather |
| Sarasota in august | tolerable weather |
| Big Cypress National Preserve in august | tolerable weather |
| Anna Maria Island in august | tolerable weather |
| Sebring in august | bad weather |
Click over cities on the map for information about the weather in august.
Sanibel Island
perfect weather
good
tolerable
bad
very bad
Weather data for Sanibel Island in august:
Weather data for Sanibel Island for august are derived from an average of the weather forecast since 2009 in Sanibel Island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sanibel Island can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Sanibel Island.