Sanibel Water Temperature

Sanibel is a village close to Gulf of Mexico. August is the month with the highest water temperature at 86.5°F / 30.3°C.
The coldest month is February with an average water temperature of 67.8°F / 19.9°C.
January is the driest at 0in / 0mm and September the wettest month with 4.4in / 110.5mm.
With an average air temperature of 81.9°F / 27.7°C, August is the warmest month in a year. January is the coldest with 63.3°F / 17.4°C average air temperature.
The Climate is described as mild temperate climate with hot summer. Best time to Visit would be in April, May, June, July, August, September, October.

Sanibel Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 86.5°F / 30.3°C
Coldest Month Water Temperature: February with 67.8°F / 19.9°C
Warmest Month Air Temperature: August with 81.9°F / 27.7°C
Coldest Month Air Temperature: January with 63.3°F / 17.4°C
Wettest Month: September with 4.4in / 110.5mm
Driest Month: January with 0in / 0mm
Highest Humidity September with 78.8%
Lowest Humidity April with 66.6%
Best Time to Visit: April, May, June, July, August, September, October
Climate Classification mild temperate climate with hot summer

Sanibel water temperature by month

Gulf of Mexico water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

70.7 68.7 67.3

February

69.3 68 67.5

March

71.8 70.3 68.9

April

76.3 74.1 71.8

May

81.3 78.8 76.3

June

84.9 83.5 81.5

July

86.2 85.3 84.4

August

86.9 86.4 85.8

September

86.2 85.5 84.4

October

84.4 82.6 79.5

November

79.5 76.8 74.1

December

74.1 72.1 70.3

Gulf of Mexico water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

21.5 20.4 19.6

February

20.7 20 19.7

March

22.1 21.3 20.5

April

24.6 23.4 22.1

May

27.4 26 24.6

June

29.4 28.6 27.5

July

30.1 29.6 29.1

August

30.5 30.2 29.9

September

30.1 29.7 29.1

October

29.1 28.1 26.4

November

26.4 24.9 23.4

December

23.4 22.3 21.3
The hottest water temperature typically reached in August with around 86.5°F / 30.3°C. The coldest in February with an average water temperature of 67.8°F / 19.9°C.

Sanibel weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

74.8 63.3 53.6 0 0 69.8%

February

77 65.7 54.9 0 0 71%

March

79.2 68.9 58.3 0 0 67.1%

April

83.7 73.6 64.4 0 0 66.6%

May

87.6 78.1 68.5 0.2 0 66.8%

June

87.8 80.8 74.1 3.7 13 76%

July

88.2 81.5 76.1 4.2 16 78.4%

August

88.9 81.9 76.8 4.1 17 78.8%

September

87.6 80.4 74.8 4.4 12 78.8%

October

85.6 77 67.5 0 0 71.6%

November

81.5 70.7 59.5 0 0 68.8%

December

76.8 67.1 58.5 0.2 0 72.4%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

23.8 17.4 12 0 0 69.8%

February

25 18.7 12.7 0 0 71%

March

26.2 20.5 14.6 0 0 67.1%

April

28.7 23.1 18 0 0 66.6%

May

30.9 25.6 20.3 5.6 0 66.8%

June

31 27.1 23.4 93.1 13 76%

July

31.2 27.5 24.5 107.1 16 78.4%

August

31.6 27.7 24.9 104.2 17 78.8%

September

30.9 26.9 23.8 110.5 12 78.8%

October

29.8 25 19.7 0 0 71.6%

November

27.5 21.5 15.3 0 0 68.8%

December

24.9 19.5 14.7 6 0 72.4%
January is the month with the lowest rain of 0in / 0mm and September with the highest precipitation in a year with 4.4in / 110.5mm. The avg. temperature is around 81.9°F / 27.7°C, August is the month with the highest temperature. January is the coolest with 63.3°F / 17.4°C average temperature.

Activities & POI in Sanibel

Type of Activity List
Beach Dixie Beach
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