Climate and monthly weather forecastLongboat Key, FL
Climate and monthly weather forecast
Weather in January
January, like December, is another pleasant winter month in Longboat Key, Florida, with an average temperature ranging between max 68.5°F (20.3°C) and min 56.1°F (13.4°C). January, known for its average high temperature of 68.5°F (20.3°C) and an average low temperature of 56.1°F (13.4°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Longboat Key, is another pleasant month, with an average temperature ranging between min 58.6°F (14.8°C) and max 71.2°F (21.8°C). A minimal variation is noted in Longboat Key's average high-temperature at the onset of February, reaching a still pleasant 71.2°F (21.8°C) from January's 68.5°F (20.3°C). Weather in February »Weather in March
The first month of the spring, March, is a warm 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). The onset of March notes an average high-temperature of a moderately hot 74.1°F (23.4°C), subtly shifted from February's 71.2°F (21.8°C). Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Longboat Key, Florida, with temperature in the range of an average low of 67.8°F (19.9°C) and an average high of 80.2°F (26.8°C). The start of April brings a subtle rise in the average high-temperature, moving from a warm 74.1°F (23.4°C) in March to a still moderately hot 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 72.7°F (22.6°C) and 84.2°F (29°C). May's commencement is accompanied by an average high-temperature of a still moderately hot 84.2°F (29°C), diverging marginally from April's 80.2°F (26.8°C). Weather in May »Weather in June
June, the first month of the summer in Longboat Key, is a tropical month, with temperature in the range of an average low of 77.5°F (25.3°C) and an average high of 87.3°F (30.7°C). June commences with an average high-temperature of a hot 87.3°F (30.7°C), showing little deviation from May's 84.2°F (29°C). Weather in June »Weather in July
July, the same as June, in Longboat Key, Florida, is a hot summer month, with temperature in the range of an average low of 78.8°F (26°C) and an average high of 88°F (31.1°C). July ushers in an average high-temperature of a still tropical 88°F (31.1°C), aligning closely with the preceding month. Weather in July »Weather in August
August, the last month of the summer in Longboat Key, is another hot month, with temperature in the range of an average high of 88.5°F (31.4°C) and an average low of 79.7°F (26.5°C). In Longboat Key, the highest average temperatures are observed in August, with a high of 88.5°F (31.4°C) and a low of 79.7°F (26.5°C). August's average heat index is evaluated at an extremely hot 104°F (40°C). Weather in August »Weather in September
September, the first month of the autumn in Longboat Key, is still a tropical month, with an average temperature ranging between min 77.4°F (25.2°C) and max 86.9°F (30.5°C). During September, the average high-temperature is a still tropical 86.9°F (30.5°C), maintaining a close resemblance to that of the preceding month. Weather in September »Weather in October
October, like September, in Longboat Key, Florida, is a moderately hot autumn month, with an average temperature fluctuating between 71.8°F (22.1°C) and 82.6°F (28.1°C). October's arrival brings an average high-temperature of a warm 82.6°F (28.1°C), slightly deviating from September's 86.9°F (30.5°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 min 64.4°F (18°C) and max 76.3°F (24.6°C). Longboat Key's transition into November involves a gentle shift in temperature, receding from a warm 82.6°F (28.1°C) in October to a still moderately hot 76.3°F (24.6°C). Weather in November »Weather in December
December, the first month of the winter in Longboat Key, is still a pleasant month, with an average temperature varying between 72.5°F (22.5°C) and 60.8°F (16°C). December's advent notes a subtle adjustment in average high-temperature to an agreeable 72.5°F (22.5°C) from November. Weather in December »Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest time of the year in Longboat Key is January, with temperatures averaging a high of 68.5°F (20.3°C) and a low of 56.1°F (13.4°C).
Throughout the year, there are 183.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.
The month with the coldest seawater is January, with an average ocean temperature of 64°F (17.8°C).
The month with the lowest UV index is January, with an average maximum UV index of 4.
The months with the least rainfall in Longboat Key are February and November Rain falls for 8.3 days and accumulates 1.06" (27mm) of rain.
The months with the lowest humidity in Longboat Key are March through May, with an average relative humidity of 72%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Longboat Key, Florida, 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.
The month with the most sunshine is May, with an average of 11.1h of sunshine.
May through September, with an average maximum UV index of 7, are months with the highest UV index.
The month with the longest days in Longboat Key is June, with an average of 13h and 48min of daylight.
Longboat Key notes the warmest temperatures in August, with a average high of 88.5°F (31.4°C) and a low of 79.7°F (26.5°C).
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.
The month with the warmest seawater is August, with an average ocean temperature of 86.7°F (30.4°C).
The most humid month is December, with an average relative humidity of 76%.
The month with the shortest days is December, with an average of 10h and 24min of daylight.
The month with the least sunshine is December, with an average of 6.5h of sunshine.
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).
Average pressure
Longboat Key, FL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed
Longboat Key, FL
- Average wind speed in January:
9.3mph - Average wind speed in February:
8.8mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.7mph - Average wind speed in May:
8mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.2mph - Average wind speed in October:
9mph - Average wind speed in November:
9.2mph - Average wind speed in December:
8.9mph
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).
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%).
Average rainfall
Longboat Key, FL
- Average rainfall in January:
1.22" - Average rainfall in February:
1.06" - Average rainfall in March:
1.26" - Average rainfall in April:
1.34" - Average rainfall in May:
2.56" - Average rainfall in June:
5.55"
- Average rainfall in July:
5.94" - Average rainfall in August:
6.42" - Average rainfall in September:
4.61" - Average rainfall in October:
1.93" - Average rainfall in November:
1.06" - Average rainfall in December:
1.97"
The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days
Longboat Key, FL
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
9.2 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
22.2 days
- Average rainfall days in July:
26.2 days - Average rainfall days in August:
26.8 days - Average rainfall days in September:
23.5 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
9.3 days
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).
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).
Average daylight / Average sunshine
Longboat Key, FL
- Average daylight in January:
10h and 36min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 48min - Average daylight in May:
13h and 30min - Average daylight in June:
13h and 48min
- Average daylight in July:
13h and 42min - Average daylight in August:
13h and 6min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 30min - Average daylight in November:
10h and 48min - Average daylight in December:
10h and 24min
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).
- Average sunshine in January:
7h and 18min - Average sunshine in February:
8h and 30min - Average sunshine in March:
8h and 42min - Average sunshine in April:
9h and 30min - Average sunshine in May:
11h and 6min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 48min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h 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 30min).
Average sunshine days
Longboat Key, FL
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
20.1 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
14 days - Average sunshine days in June:
5.8 days
- Average sunshine days in July:
2.7 days - Average sunshine days in August:
2.5 days - Average sunshine days in September:
4.5 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
20 days - Average sunshine days in December:
18.9 days
The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).
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).
Average cloud cover
Longboat Key, FL
The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 22).
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).
