Climate and monthly weather forecast
Longboat Key, FL

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Weather in January

January, the same as December, in Longboat Key, Florida, is another pleasant winter month, 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). January, with an average high of 68.5°F (20.3°C) and a low of 56.1°F (13.4°C), signifies the coldest month of the year. 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). The advent of February presents an average high-temperature of a still agreeable 71.2°F (21.8°C), maintaining a close correlation with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a moderately hot month in Longboat Key, Florida, with an average temperature ranging between min 61.5°F (16.4°C) and max 74.1°F (23.4°C). March notes an average high-temperature of a moderately hot 74.1°F (23.4°C), subtly differing from February's 71.2°F (21.8°C). Weather in March »

Weather in April

April, the same as March, is another warm spring month in Longboat Key, Florida, with an average temperature ranging between max 80.2°F (26.8°C) and min 67.8°F (19.9°C). With the onset of April, the average high-temperature subtly transitions from 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 another warm month, with an average temperature varying between 84.2°F (29°C) and 72.7°F (22.6°C). As April transitions into May, Longboat Key records an average high-temperature of a still warm 84.2°F (29°C), showing a gentle shift from the preceding month. Weather in May »

Weather in June

June, the first month of the summer in Longboat Key, is a hot month, with an average temperature varying between 87.3°F (30.7°C) and 77.5°F (25.3°C). The introduction of June sees an average high-temperature of a hot 87.3°F (30.7°C), hardly deviating from May. Weather in June »

Weather in July

July, the same as June, in Longboat Key, Florida, is another hot summer month, with an average temperature varying between 78.8°F (26°C) and 88°F (31.1°C). July records an average high-temperature of a still hot 88°F (31.1°C), indicating a minor variation from the preceding month. 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 varying between 79.7°F (26.5°C) and 88.5°F (31.4°C). The warmest month 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). The heat index value during August is estimated at a blisteringly hot 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 an average temperature ranging between max 86.9°F (30.5°C) and min 77.4°F (25.2°C). As Longboat Key steps into September, the average high-temperature is measured at a still tropical 86.9°F (30.5°C), displaying minor differences from August's 88.5°F (31.4°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). The transition into October marks the average high-temperature at a warm 82.6°F (28.1°C), differing minimally from September's 86.9°F (30.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another warm month in Longboat Key, Florida, with an average temperature fluctuating between 76.3°F (24.6°C) and 64.4°F (18°C). The shift from October to November coincides with a small decrease in the average high-temperature, down to a still warm 76.3°F (24.6°C) from a moderately hot 82.6°F (28.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also an agreeable month in Longboat Key, Florida, with an average temperature ranging between max 72.5°F (22.5°C) and min 60.8°F (16°C). As December takes its course, Longboat Key's average high-temperature registers at a pleasant 72.5°F (22.5°C), closely aligning with the preceding month. Weather in December »
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Frequently asked questions

What is the coldest time of year in Longboat Key?

January is the month when Longboat Key, Florida, experiences its coldest temperatures, averaging a high of 68.5°F (20.3°C) and a low of 56.1°F (13.4°C).

How much does it rain in Longboat Key?

Throughout the year, there are 183.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

When is the ocean coldest in Longboat Key?

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

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, Florida.

What is the driest month in Longboat Key?

The months with the least rainfall are February and November Rain falls for 8.3 days and accumulates 1.06" (27mm) of rain.

What are the least humid months 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 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What month has the most sunshine in Longboat Key?

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

When is the highest UV index in Longboat Key?

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

When are the longest days in Longboat Key?

The month with the longest days is June, with an average of 13h and 48min of daylight.

What is the hottest time of year in Longboat Key?

Longboat Key, Florida, reaches its average highest temperatures in August, measuring 88.5°F (31.4°C) at the peak and 79.7°F (26.5°C) at the lowest.

What is the wettest month in Longboat Key?

The month with the most rainfall is August, when the rain falls for 26.8 days and typically aggregates up to 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.

What is the most humid month in Longboat Key?

December is the most humid month in Longboat Key, Florida, with an average relative humidity of 76%.

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

December has the shortest days of the year, with an average of 10h and 24min of daylight.

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

The month with the least sunshine is December, 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 48min).
The month with the shortest days is December (Average daylight: 10h and 24min).

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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Longboat Key, Florida, USA

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