Climate and monthly weather forecast
Captiva, FL

The best time to visit Captiva

November is the best period for swimming and other water activities in Captiva, Florida, as the ocean temperature is 78.8°F (26°C), the rain falls for only 5.7 days, and 0.28" (7mm) of rainfall is accumulated.

Weather in January

January, like December, is another pleasant winter month in Captiva, Florida, with an average temperature ranging between min 58.8°F (14.9°C) and max 70°F (21.1°C). With an average high-temperature of 70°F (21.1°C) and an average low-temperature of 58.8°F (14.9°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also an agreeable month in Captiva, Florida, with an average temperature varying between 72°F (22.2°C) and 61.3°F (16.3°C). In February, the average high-temperature is almost the same as in January - a still agreeable 72°F (22.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a warm month in Captiva, Florida, with an average temperature fluctuating between 74.3°F (23.5°C) and 64°F (17.8°C). In Captiva, the average high-temperature in March is almost the same as in February - a moderately hot 74.3°F (23.5°C). Weather in March »

Weather in April

April, like March, in Captiva, Florida, is another warm spring month, with temperature in the range of an average low of 70.2°F (21.2°C) and an average high of 79.5°F (26.4°C). In April, the average high-temperature is almost the same as in March - a still moderately hot 79.5°F (26.4°C). Weather in April »

Weather in May

May, the last month of the spring in Captiva, is also a moderately hot month, with temperature in the range of an average low of 74.3°F (23.5°C) and an average high of 83.1°F (28.4°C). In May, the average high-temperature is relatively the same as in April - a still warm 83.1°F (28.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Captiva, Florida, with an average temperature varying between 79°F (26.1°C) and 86.2°F (30.1°C). In Captiva, the average high-temperature in June is practically the same as in May - a hot 86.2°F (30.1°C). Weather in June »

Weather in July

July, the same as June, in Captiva, Florida, is another tropical summer month, with an average temperature fluctuating between 87.4°F (30.8°C) and 80.4°F (26.9°C). In Captiva, Florida, the average high-temperature in July is relatively the same as in June - a still tropical 87.4°F (30.8°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Captiva, Florida, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 81°F (27.2°C). With an average high-temperature of 88°F (31.1°C) and an average low-temperature of 81°F (27.2°C), August is the warmest month. The average heat index in August is calculated to be a sweltering 102.2°F (39°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in Captiva, Florida, with an average temperature ranging between min 79°F (26.1°C) and max 86.7°F (30.4°C). In Captiva, the average high-temperature in September is relatively the same as in August - a still tropical 86.7°F (30.4°C). Weather in September »

Weather in October

October, like September, in Captiva, Florida, is another warm autumn month, with an average temperature ranging between max 83.3°F (28.5°C) and min 73.9°F (23.3°C). In Captiva, the average high-temperature in October is essentially the same as in September - a warm 83.3°F (28.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Captiva, Florida, with an average temperature varying between 67.5°F (19.7°C) and 77.5°F (25.3°C). The perfect water temperature of 78.8°F (26°C) with 0.28" (7mm) of accumulated rainfall and only 5.7 rainfall days, makes November a great period for swimming and other water activities. Weather in November »

Weather in December

The first month of the winter, December, is also a moderately hot month in Captiva, Florida, with an average temperature ranging between min 63.9°F (17.7°C) and max 73.9°F (23.3°C). In December, the average high-temperature is essentially the same as in November - a still warm 73.9°F (23.3°C). Weather in December »
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FAQ

What is the coldest month in Captiva?

The coldest month is January, with an average high-temperature of 70°F (21.1°C) and an average low-temperature of 58.8°F (14.9°C).

How much does it rain in Captiva?

Throughout the year, there are 122 rainfall days, and 8.98" (228mm) of precipitation is accumulated.

When is the lowest UV index in Captiva?

January and February, with an average maximum UV index of 5, are months with the lowest UV index.

What is the month with the coldest ocean in Captiva?

February is the month with the coldest seawater in Captiva, with an average ocean temperature of 69.8°F (21°C).

What is the least humid month in Captiva?

With an average relative humidity of 72%, March is the least humid month.

What is the driest month in Captiva?

March is the month with the least rainfall. Rain falls for 5.7 days and accumulates 0.16" (4mm) of precipitation.

When is Daylight Saving Time (DST) in Captiva?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Captiva, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What month has the most sunshine in Captiva?

With an average of 11.1h of sunshine, May has the most sunshine of the year in Captiva.

When is the highest UV index in Captiva?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Captiva.

When are the longest days in Captiva?

June has the longest days of the year, with an average of 13h and 47min of daylight.

What is the warmest month in Captiva?

The warmest month in Captiva is August, with an average high-temperature of 88°F (31.1°C) and an average low-temperature of 81°F (27.2°C).

What is the rainiest month in Captiva?

August is the month with the most rainfall. Rain falls for 18.3 days and accumulates 1.93" (49mm) of precipitation.

What is the month with the warmest ocean in Captiva?

August is the month with the warmest seawater in Captiva, Florida, with an average ocean temperature of 86°F (30°C).

What is the most humid month in Captiva?

The most humid month in Captiva is December, with an average relative humidity of 77%.

What is the month with the shortest days in Captiva?

With an average of 10h and 31min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Captiva?

The month with the least sunshine in Captiva, Florida, is December, with an average of 6.7h of sunshine.

Average pressure
Captiva, FL

Average pressure - Captiva, FL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

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Average wind speed
Captiva, FL

Average wind speed - Captiva, FL

The windiest months (with the highest average wind speed) are October and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average rainfall
Captiva, FL

Average rainfall - Captiva, FL

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is March (0.16").

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Average rainfall days
Captiva, FL

Average rainfall days - Captiva, FL

The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is February (4.1 days).

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Average sea temperature
Captiva, FL

Average sea temperature - Captiva, FL

The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest month (with the lowest average sea temperature) is February (70°F).

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Average daylight / Average sunshine
Captiva, FL

Average daylight / Average sunshine - Captiva, FL

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days
Captiva, FL

Average sunshine days - Captiva, FL

The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is September (7.2 days).

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Average UV index
Captiva, FL

Average UV index - Captiva, FL

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).

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Average visibility
Captiva, FL

Average visibility - Captiva, FL

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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