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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is an agreeable winter month in Siesta Key, Florida, with an average temperature ranging between max 68.5°F (20.3°C) and min 56.1°F (13.4°C). During the coldest month, January, temperatures average a high of 68.5°F (20.3°C) and a low of 56.1°F (13.4°C). Weather in January »
Weather in February
The last month of the winter, February, is also an agreeable month in Siesta Key, Florida, with an average temperature varying between 71.2°F (21.8°C) and 58.6°F (14.8°C). With February's arrival, Siesta Key notes an average high-temperature of a still agreeable 71.2°F (21.8°C), closely following the trend of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Siesta Key, is a moderately hot month, with an average temperature ranging between max 74.1°F (23.4°C) and min 61.5°F (16.4°C). March's onset brings an average high-temperature of a moderately hot 74.1°F (23.4°C), showing a minute difference from February's 71.2°F (21.8°C). Weather in March »
Weather in April
April, like March, in Siesta Key, Florida, is another warm spring month, with an average temperature fluctuating between 67.8°F (19.9°C) and 80.2°F (26.8°C). Siesta Key's transition into April is marked by a minor temperature shift, moving 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 Siesta Key, is also a moderately hot month, with temperature in the range of an average low of 72.7°F (22.6°C) and an average high of 84.2°F (29°C). As May takes its course, Siesta Key's average high-temperature registers at a still warm 84.2°F (29°C), closely aligning with the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Siesta Key, Florida, with an average temperature fluctuating between 87.3°F (30.7°C) and 77.5°F (25.3°C). The onset of June marks an average high-temperature of a hot 87.3°F (30.7°C), hardly differing from May's 84.2°F (29°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Siesta Key, Florida, 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). As July takes hold, the average high-temperature is a still tropical 88°F (31.1°C), nearly mirroring that of the previous month. Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Siesta Key, Florida, with an average temperature varying between 79.7°F (26.5°C) and 88.5°F (31.4°C). August, having an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 79.7°F (26.5°C), is the warmest month. The heat index value for August is evaluated at an extremely hot 104°F (40°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a hot month in Siesta Key, Florida, with an average temperature fluctuating between 77.4°F (25.2°C) and 86.9°F (30.5°C). A minor adjustment in Siesta Key's average high-temperature is noted with the start of September, touching a still tropical 86.9°F (30.5°C) from August's 88.5°F (31.4°C). Weather in September »
Weather in October
October, like September, in Siesta Key, Florida, is a moderately hot autumn month, with temperature in the range of an average low of 71.8°F (22.1°C) and an average high of 82.6°F (28.1°C). October denotes a minimal variation in the average high-temperature to a moderately hot 82.6°F (28.1°C) 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 Siesta Key, Florida, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 76.3°F (24.6°C). Siesta Key's progression into November involves a gentle drop in the average high-temperature, from 82.6°F (28.1°C) in October to a still warm 76.3°F (24.6°C). Weather in November »
Weather in December
December, the first month of the winter in Siesta Key, is also an agreeable month, with an average temperature ranging between min 60.8°F (16°C) and max 72.5°F (22.5°C). Siesta Key registers an average high-temperature of an agreeable 72.5°F (22.5°C) with the arrival of December, showing minor deviation from the preceding month. Weather in December »
Updated: Aug 24, 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
What is the coldest month?
January is the coldest month of the year, registering average temperatures as high as 68.5°F (20.3°C) and as low as 56.1°F (13.4°C).
How many days does it rain?
Throughout the year, there are 183.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.
What month is the ocean coldest?
January is the month with the coldest seawater, with an average ocean temperature of 64°F (17.8°C).
What is the month with the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 4.
What is the driest month?
February and November are months with the least rain when the rain falls for 8.3 days and typically aggregates up to 1.06" (27mm) of rain.
What is the least humid month?
March through May, with an average relative humidity of 72%, are the least humid months.
When is Daylight Saving Time (DST) in Siesta 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?
May has the most sunshine of the year, with an average of 11.1h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are May through September, with an average maximum UV index of 7.
When are the longest days?
The month with the longest days is June, with an average of 13h and 48min of daylight.
What is the hottest time of year?
August is the month that records the highest temperatures, with averages ranging from a high of 88.5°F (31.4°C) to a low of 79.7°F (26.5°C).
What is the wettest month?
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?
August is the month with the warmest seawater, with an average ocean temperature of 86.7°F (30.4°C).
What is the most humid month?
December is the most humid month, with an average relative humidity of 76%.
What is the month with the shortest days in Siesta Key?
The month with the shortest days is December, with an average of 10h and 30min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year in Siesta Key, Florida, with an average of 6.5h of sunshine.
Average temperature
Siesta 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
Siesta 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
Siesta 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
Siesta 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
Siesta 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
Siesta 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
Siesta 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
Siesta Key, FL
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 3min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 3min
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).
- Average sunshine in January:
7h and 2min - Average sunshine in February:
8h and 3min - Average sunshine in March:
8h and 4min - Average sunshine in April:
9h and 3min - Average sunshine in May:
11h and 1min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 5min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 3min
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
Siesta 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
Siesta 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
Siesta 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
Siesta 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).
Siesta Key, Florida, USA
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