World Resorts USA Sanibel Island Weather

Sanibel Island weather in March

Weather in Sanibel Island: March

Average day temperature: 78.7°F
Average night temperature: 66.1°F
Sea water temperature: 73.7°F
Number of sunny days: 19 days
Day length: 11.6 - 12.4 hours
Number of rainy days: 0 days
Precipitation totals: 0.4 in.

Air temperature in March, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during March of 2025 was 89°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during March were 79.0°F and 60.5°F.

Sea water temperature in Sanibel Island in March, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
62
65
68
71
74
77
80
83

The average sea water temperature in March of 2025 was 70.9°F. The highest and lowest sea temperatures during the month were 74.5°F and 69.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
61%
32%
6%

Mostly all days in March are sunny but cloudy days are also possible.

Precipitation total in March, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.6
1.2
1.8
2.3
2.9
3.5
4.1
4.7
2.3
2.6
3.0
3.4
1.1
2.3
2.6
3.0
3.4
1.1

Precipitation total value in Sanibel Island in March is 0.4 in. Other months of the year show relatively similar values.

Wind speed in March, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.6
5.4
7.2
9.0
10.8
12.6
10.0
10.5
10.1
7.7
7.8
6.8
7.9
8.8
10.1
9.5
10.1
10.0
10.5
10.1
7.7
7.8
6.8
7.9
8.8
10.1
9.7
9.5
10.1

The average wind speed value in March is 9.7 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.3
4.9
6.6
8.2
9.8
11.5
6.7
6.7
7.4
6.3
6.6
7.0
7.3
9.6
9.4
7.7
6.6
6.7
6.7
7.4
6.3
6.6
7.0
7.3
9.6
9.4
8.8
7.7
6.6

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 8.8.

Best time for vacation in Sanibel Island

Sunniest months:
March 19 days
April 18 days
February 15 days
Warmest months:
July 88.1 °F
August 88.0 °F
September 86.6 °F
Warmest sea temp:
August 87.4 °F
July 87.3 °F
September 86.4 °F
Coldest months:
January 69.0 °F
December 71.4 °F
February 73.2 °F
Rainiest months:
June 7 days
July 6 days
August 5 days
Windiest months:
November 10.5 mph
October 10.1 mph
January 10.1 mph

Sanibel Island on a weather map

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Places in USA:
Name
°F
+36°F
+39°F
+73°F
+73°F
+59°F
+55°F
+73°F
+37°F
+63°F
+59°F
+52°F
+59°F
+61°F
+68°F
+41°F
24 Hours Forecast
Sanibel Island
Local time: 04:56
April 17, thursday
0600
59°F
SW
7 mph
0900
72°F
W
10 mph
1200
84°F
W
11 mph
1500
90°F
W
11 mph
1800
86°F
W
11 mph
2100
73°F
W
7 mph
April 18, friday
0000
66°F
W
7 mph
0300
63°F
W
7 mph
Units of measurement: °C / °F