Climate and monthly weather forecast
Longboat Key, FL

Weather in January

January, like December, is an agreeable winter month in Longboat Key, Florida, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 68.5°F (20.3°C). The coldest month is January, with an average high-temperature of 68.5°F (20.3°C) and an average low-temperature of 56.1°F (13.4°C). Weather in January »

Weather in February

February, the last month of the winter in Longboat Key, is another pleasant month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 58.6°F (14.8°C). In February, the average high-temperature is relatively the same as in January - a still pleasant 71.2°F (21.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a warm month in Longboat Key, Florida, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 61.5°F (16.4°C). In Longboat Key, the average high-temperature in March is almost the same as in February - a warm 74.1°F (23.4°C). Weather in March »

Weather in April

April, like March, in Longboat Key, Florida, is a moderately hot spring month, with an average temperature varying between 67.8°F (19.9°C) and 80.2°F (26.8°C). In Longboat Key, the average high-temperature in April marginally rises from a moderately hot 74.1°F (23.4°C) in March to a still warm 80.2°F (26.8°C). Weather in April »

Weather in May

May, the last month of the spring in Longboat Key, is also a moderately hot month, with an average temperature fluctuating between 84.2°F (29°C) and 72.7°F (22.6°C). In Longboat Key, Florida, the average high-temperature in May is relatively the same as in April - a still warm 84.2°F (29°C). Weather in May »

Weather in June

June, the first month of the summer in Longboat Key, is a hot month, with an average temperature fluctuating between 77.5°F (25.3°C) and 87.3°F (30.7°C). In Longboat Key, the average high-temperature in June is practically the same as in May - a tropical 87.3°F (30.7°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Longboat Key, Florida, with an average temperature ranging between max 88°F (31.1°C) and min 78.8°F (26°C). In Longboat Key, the average high-temperature in July is essentially the same as in June - a still tropical 88°F (31.1°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Longboat Key, Florida, with an average temperature fluctuating between 79.7°F (26.5°C) and 88.5°F (31.4°C). August is the warmest month, with an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 79.7°F (26.5°C). The average heat index in August is computed to be a scorching 104°F (40°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Longboat Key, Florida, with temperature in the range of an average low of 77.4°F (25.2°C) and an average high of 86.9°F (30.5°C). In Longboat Key, the average high-temperature in September is almost the same as in August - a still hot 86.9°F (30.5°C). Weather in September »

Weather in October

October, like September, in Longboat Key, Florida, is a moderately hot autumn month, with an average temperature ranging between min 71.8°F (22.1°C) and max 82.6°F (28.1°C). In October, the average high-temperature is practically the same as in September - a warm 82.6°F (28.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Longboat Key, Florida, with an average temperature ranging between max 76.3°F (24.6°C) and min 64.4°F (18°C). In November, the average high-temperature marginally drops from a moderately hot 82.6°F (28.1°C) in October to a still warm 76.3°F (24.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a pleasant month in Longboat Key, Florida, with an average temperature ranging between min 60.8°F (16°C) and max 72.5°F (22.5°C). In Longboat Key, the average high-temperature in December is relatively the same as in November - an agreeable 72.5°F (22.5°C). Weather in December »
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FAQ

What is the coldest month in Longboat Key?

The coldest month is January, with an average high-temperature of 68.5°F (20.3°C) and an average low-temperature of 56.1°F (13.4°C).

How much does it rain in Longboat Key?

In Longboat Key, during the entire year, the rain falls for 183.1 days and collects up to 34.92" (887mm) of precipitation.

What is the month with the coldest ocean in Longboat Key?

January is the month with the coldest seawater, with an average ocean temperature of 64°F (17.8°C).

When is the lowest UV index in Longboat Key?

With an average maximum UV index of 4, January is the month with the lowest UV index in Longboat Key.

What is the driest month in Longboat Key?

February and November are months with the least rain in Longboat Key, Florida, when the rain falls for 8.3 days and typically aggregates up to 1.06" (27mm) of rain.

What is the least humid month in Longboat Key?

The months with the lowest humidity are March through May, with an average relative humidity of 72%.

When is Daylight Saving Time (DST) in Longboat Key?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Longboat Key, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What month has the most sunshine in Longboat Key?

With an average of 11.1h of sunshine, May has the most sunshine of the year in Longboat Key, Florida.

When is the highest UV index in Longboat Key?

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

When are the longest days in Longboat Key?

June has the longest days of the year in Longboat Key, Florida, with an average of 13h and 51min of daylight.

What is the warmest month in Longboat Key?

The warmest month in Longboat Key, Florida, is August, with an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 79.7°F (26.5°C).

What is the rainiest month in Longboat Key?

August is the month with the most rainfall in Longboat Key, Florida. Rain falls for 26.8 days and accumulates 6.42" (163mm) of precipitation.

What is the month with the warmest ocean in Longboat Key?

With an average ocean temperature of 86.7°F (30.4°C), August is the month with the warmest seawater in Longboat Key, Florida.

What is the most humid month in Longboat Key?

The most humid month is December, with an average relative humidity of 76%.

What is the month with the shortest days in Longboat Key?

With an average of 10h and 27min of daylight, December has the shortest days of the year in Longboat Key.

What is the month with the least sunshine in Longboat Key?

December has the least sunshine of the year in Longboat Key, Florida, with an average of 6.5h of sunshine.

Average temperature
Longboat Key, FL

Average temperature - Longboat Key, FL

The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (68.5°F).

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).

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Average pressure
Longboat Key, FL

Average pressure - Longboat Key, FL

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

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Average wind speed
Longboat Key, FL

Average wind speed - Longboat Key, FL

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity
Longboat Key, FL

Average humidity - Longboat Key, FL

The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are March, April and May (72%).

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Average rainfall
Longboat Key, FL

Average rainfall - Longboat Key, FL

The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").

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Average rainfall days
Longboat Key, FL

Average rainfall days - Longboat Key, FL

The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, February and November (8.3 days).

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Average sea temperature
Longboat Key, FL

Average sea temperature - Longboat Key, FL

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64.1°F).

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Average daylight / Average sunshine
Longboat Key, FL

Average daylight / Average sunshine - Longboat Key, FL

The month with the longest days is June (Average daylight: 13h and 51min).
The month with the shortest days is December (Average daylight: 10h and 27min).

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 30min).

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Average sunshine days
Longboat Key, FL

Average sunshine days - Longboat Key, FL

The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).

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Average UV index
Longboat Key, FL

Average UV index - Longboat Key, FL

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average visibility
Longboat Key, FL

Average visibility - Longboat Key, 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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