Climate and monthly weather forecast
Summerland Key, FL

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Weather in January

January, the same as December, in Summerland Key, Florida, is another pleasant winter month, with an average temperature fluctuating between 68.5°F (20.3°C) and 72.7°F (22.6°C). With its high average temperature of 72.7°F (22.6°C) and a low of 68.5°F (20.3°C), January is regarded as the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also an agreeable month in Summerland Key, Florida, with an average temperature ranging between max 73.2°F (22.9°C) and min 70°F (21.1°C). The transition into February notes an average high-temperature of a still agreeable 73.2°F (22.9°C), revealing a mild distinction from the 72.7°F (22.6°C) in January. Weather in February »

Weather in March

March, the first month of the spring in Summerland Key, is a warm month, with an average temperature fluctuating between 70.5°F (21.4°C) and 73.9°F (23.3°C). In March, Summerland Key experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 73.2°F (22.9°C) in February to a moderately hot 73.9°F (23.3°C). Weather in March »

Weather in April

April, like March, in Summerland Key, Florida, is another warm spring month, with an average temperature fluctuating between 75.2°F (24°C) and 77.4°F (25.2°C). The commencement of April records an average high-temperature of a still warm 77.4°F (25.2°C), barely varying from March's 73.9°F (23.3°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Summerland Key, Florida, with an average temperature fluctuating between 78.3°F (25.7°C) and 80.2°F (26.8°C). Summerland Key's May showcases an average high-temperature of a still warm 80.2°F (26.8°C), hardly distinct from April's 77.4°F (25.2°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Summerland Key, Florida, with an average temperature fluctuating between 83.3°F (28.5°C) and 81.5°F (27.5°C). With the arrival of June, Summerland Key's average high-temperature registers at a still moderately hot 83.3°F (28.5°C), indicating a subtle variation from the previous month. Weather in June »

Weather in July

July, like June, in Summerland Key, Florida, is another warm summer month, with an average temperature ranging between max 84.6°F (29.2°C) and min 82.9°F (28.3°C). Welcoming July, Summerland Key notes an average high-temperature of a still warm 84.6°F (29.2°C), nearly consistent with June's 83.3°F (28.5°C). Weather in July »

Weather in August

August, the last month of the summer in Summerland Key, is also a moderately hot month, with an average temperature varying between 83.1°F (28.4°C) and 85.3°F (29.6°C). August, on average, is the warmest month, registering a high temperature of 85.3°F (29.6°C) and a low of 83.1°F (28.4°C). The heat index value for August is evaluated at a torrid 95°F (35°C). Weather in August »

Weather in September

September, the first month of the autumn in Summerland Key, is still a warm month, with an average temperature varying between 84.4°F (29.1°C) and 82.2°F (27.9°C). Summerland Key's weather, upon September's arrival, documents an average high-temperature of a still warm 84.4°F (29.1°C), nearly identical to the prior month. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Summerland Key, Florida, with temperature in the range of an average low of 79.7°F (26.5°C) and an average high of 82°F (27.8°C). Summerland Key's entry into October measures an average high-temperature of a still moderately hot 82°F (27.8°C), closely parallel to the preceding month. Weather in October »

Weather in November

November, the last month of the autumn in Summerland Key, is also a moderately hot month, with an average temperature fluctuating between 77.9°F (25.5°C) and 74.8°F (23.8°C). The advent of November reveals an average high-temperature of a still moderately hot 77.9°F (25.5°C), showing minimal difference from the prior month. Weather in November »

Weather in December

December, the first month of the winter in Summerland Key, is also a moderately hot month, with an average temperature fluctuating between 75.2°F (24°C) and 72.3°F (22.4°C). The advent of December sees the average high-temperature at a still moderately hot 75.2°F (24°C), subtly shifted from November's 77.9°F (25.5°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Summerland Key?

In Summerland Key, January registers the lowest temperatures, averaging 72.7°F (22.6°C) at the peak and 68.5°F (20.3°C) at the lowest.

How many days does it rain in Summerland Key?

In Summerland Key, Florida, during the entire year, the rain falls for 171.1 days and collects up to 21.54" (547mm) of precipitation.

When is the lowest UV index in Summerland Key?

January is the month with the lowest UV index in Summerland Key, Florida, with an average maximum UV index of 5.

What is the most humid month in Summerland Key?

The most humid month in Summerland Key is February, with an average relative humidity of 78%.

What is the driest month in Summerland Key?

The month with the least rainfall in Summerland Key is March, when the rain falls for 9.4 days and typically collects 0.43" (11mm) of precipitation.

When is Daylight Saving Time (DST) in Summerland 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 are the months with the highest UV index in Summerland Key?

April through October, with an average maximum UV index of 7, are months with the highest UV index in Summerland Key, Florida.

When are the longest days in Summerland Key?

June has the longest days of the year in Summerland Key, with an average of 13h and 36min of daylight.

What is the least humid month in Summerland Key?

July through September, with an average relative humidity of 74%, are the least humid months.

What month has the most sunshine in Summerland Key?

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

What part of the year is the hottest in Summerland Key?

In Summerland Key, August is the warmest month, with temperatures averaging a high of 85.3°F (29.6°C) and a low of 83.1°F (28.4°C).

What is the wettest month in Summerland Key?

The month with the most rainfall in Summerland Key is September, when the rain falls for 20.8 days and typically aggregates up to 3.54" (90mm) of precipitation.

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

The month with the shortest days in Summerland Key is December, with an average of 10h and 36min of daylight.

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

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

Average temperature
Summerland Key, FL

Average temperature - Summerland Key, FL

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).

The month with the highest average low temperature is August (83.1°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).

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Average pressure
Summerland Key, FL

Average pressure - Summerland Key, FL

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).

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Average wind speed
Summerland Key, FL

Average wind speed - Summerland Key, FL

The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.4mph).

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Average humidity
Summerland Key, FL

Average humidity - Summerland Key, FL

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).

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Average rainfall
Summerland Key, FL

Average rainfall - Summerland Key, FL

The wettest month (with the highest rainfall) is September (3.54").
The driest month (with the least rainfall) is March (0.43").

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Average rainfall days
Summerland Key, FL

Average rainfall days - Summerland Key, FL

The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is March (9.4 days).

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Average daylight / Average sunshine
Summerland Key, FL

Average daylight / Average sunshine - Summerland Key, FL

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 36min).

The month with the most sunshine is July (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
Summerland Key, FL

Average sunshine days - Summerland Key, FL

The month with the most sunshine days is March (19.6 days).
The month with the least sunshine days is September (6.2 days).

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Average UV index
Summerland Key, FL

Average UV index - Summerland Key, FL

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

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Average visibility
Summerland Key, FL

Average visibility - Summerland 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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Summerland Key, Florida, USA

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