Measurements:
°C
°F
Sanibel Island
82°F
E 9 mph
Feels like: 88°F
Precip: 0%
World Resorts USA Sanibel Island Weather

7 Day Weather Forecast

03.13
fri
DAY
82°F
W 6 mph
precip
0%
NIGHT
72°F
SE 5 mph
precip
0%
03.14
sat
DAY
76°F
N 6 mph
precip
0%
NIGHT
72°F
SW 5 mph
precip
0%
03.15
sun
DAY
74°F
N 13 mph
precip
0%
NIGHT
74°F
NW 11 mph
precip
0%
03.16
mon
DAY
80°F
N 16 mph
precip
0%
NIGHT
70°F
SE 20 mph
precip
0%
03.17
tue
DAY
60°F
S 17 mph
precip
0%
NIGHT
58°F
S 18 mph
precip
0%
03.18
wed
DAY
64°F
SW 16 mph
precip
0%
NIGHT
66°F
SW 19 mph
precip
0%
03.19
thu
DAY
72°F
SW 18 mph
precip
0%
NIGHT
68°F
SW 17 mph
precip
0%

Sanibel Island Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Sanibel Island was 21.6°F. The maximum and minimum values were 20.7°F and 23.6°F respectively.

Sanibel Island on the Weather Map

Best Time to Visit Sanibel Island
The most sunny months:
March 19 days
December 17 days
April 17 days
The most warm months:
August 92.2 °F
July 92.2 °F
September 90.7 °F
Warmest sea temperature:
August 91.8 °F
July 91.4 °F
September 90.3 °F
The most cold months:
January 71.3 °F
December 74.5 °F
February 75.1 °F
The most rainy months:
June 6 days
July 5 days
August 4 days
The most windy months:
October 10 mph
November 10 mph
January 10 mph