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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 Duck Key, Florida, with temperature in the range of an average low of 67.5°F and an average high of 72.9°F. In Duck Key, the lowest temperatures are generally noted in January, averaging a high of 72.9°F and a low of 67.5°F. Weather in January »
Weather in February
February, the last month of the winter in Duck Key, is a warm month, with an average temperature fluctuating between 73.4°F and 70°F. Duck Key transitions into February recording an average high-temperature of a warm 73.4°F, closely aligning with the preceding month's temperature. Weather in February »
Weather in March
March, the first month of the spring in Duck Key, is also a moderately hot month, with an average temperature varying between 70.5°F and 74.3°F. With March's advent, Duck Key sees an average high-temperature of a still warm 74.3°F, subtly shifted from February's 73.4°F. Weather in March »
Weather in April
April, the same as March, is another warm spring month in Duck Key, Florida, with an average temperature fluctuating between 75°F and 77.4°F. The transition into April reveals an average high-temperature of a still moderately hot 77.4°F, mirroring a close resemblance to March. Weather in April »
Weather in May
May, the last month of the spring in Duck Key, is another warm month, with temperature in the range of an average low of 77.7°F and an average high of 80.4°F. In May, the average high-temperature registers at a still moderately hot 80.4°F, nearly identical to April's 77.4°F. Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Duck Key, Florida, with an average temperature varying between 83.5°F and 81.3°F. Duck Key observes a minor difference in average high-temperatures between May's 80.4°F and June's 83.5°F. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Duck Key, Florida, with an average temperature fluctuating between 82.6°F and 84.6°F. The advent of July presents an average high-temperature of a still moderately hot 84.6°F, maintaining a close correlation with the preceding month. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Duck Key, Florida, with temperature in the range of an average low of 82.9°F and an average high of 85.5°F. Duck Key notes the warmest temperatures in August, with a high average of 85.5°F and a low of 82.9°F. The heat index in August is evaluated at a torrid 95°F. Weather in August »
Weather in September
September, the first month of the autumn in Duck Key, is also a moderately hot month, with an average temperature ranging between max 84.6°F and min 82°F. Duck Key transitions into September recording an average high-temperature of a still moderately hot 84.6°F, closely aligning with the preceding month's temperature. Weather in September »
Weather in October
October, like September, in Duck Key, Florida, is a moderately hot autumn month, with an average temperature ranging between max 82.2°F and min 79.3°F. Duck Key experiences an average high-temperature of a still moderately hot 82.2°F in October, marking an insignificant shift from 84.6°F in September. Weather in October »
Weather in November
November, the last month of the autumn in Duck Key, is another warm month, with an average temperature ranging between max 77.9°F and min 74.1°F. Duck Key's weather in November displays an average high-temperature of a still warm 77.9°F, showing minor disparity from October's 82.2°F. Weather in November »
Weather in December
The first month of the winter, December, is also a moderately hot month in Duck Key, Florida, with an average temperature fluctuating between 75.6°F and 71.4°F. Duck Key experiences an average high-temperature of a still moderately hot 75.6°F with the onset of December, subtly varied from November's 77.9°F. Weather in December »
[Resources]FAQ
What is the coldest month in Duck Key?
January is the month when Duck Key, Florida, sees the average lowest temperatures, with a high of 72.9°F and a low of 67.5°F.
How many days does it rain in Duck Key?
In Duck Key, during the entire year, the rain falls for 186.2 days and collects up to 24.45" of precipitation.
When is the ocean coldest in Duck Key?
January and February, with an average ocean temperature of 73.9°F, are months with the coldest seawater in Duck Key.
What is the month with the lowest UV index in Duck Key?
January is the month with the lowest UV index in Duck Key, Florida, with an average maximum UV index of 5.
What is the most humid month in Duck Key?
The months with the highest humidity in Duck Key, Florida, are February and December, with an average relative humidity of 77%.
What is the least humid month in Duck Key?
With an average relative humidity of 73%, March is the least humid month.
What is the driest month in Duck Key?
The month with the least rainfall is March, when the rain falls for 10.8 days and typically collects 0.43" of precipitation.
When is Daylight Saving Time (DST) in Duck Key?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Duck Key, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
What is the month with the highest UV index in Duck Key?
The months with the highest UV index in Duck Key, Florida, are April through October, with an average maximum UV index of 7.
When are the longest days in Duck Key?
The month with the longest days is June, with an average of 13h and 42min of daylight.
What month has the most sunshine in Duck Key?
July has the most sunshine of the year, with an average of 11.1h of sunshine.
What are the warmest months in Duck Key?
In Duck Key, August registers the highest temperatures, averaging 85.5°F at the peak and 82.9°F at the lowest.
What month is the ocean warmest in Duck Key?
August is the month with the warmest seawater in Duck Key, with an average ocean temperature of 86.5°F.
What is the rainiest month in Duck Key?
The month with the most rainfall is September, when the rain falls for 23 days and typically aggregates up to 4.21" of precipitation.
What is the month with the shortest days in Duck Key?
December has the shortest days of the year in Duck Key, Florida, with an average of 10h and 36min of daylight.
What is the month with the least sunshine in Duck Key?
The month with the least sunshine is December, with an average of 6.6h of sunshine.
Average temperature
Duck Key, FL
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.9°F).
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (67.5°F).
Average pressure
Duck Key, FL
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.99"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:
29.94"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).
Average wind speed
Duck Key, FL
- Average wind speed in January:
13.4mph - Average wind speed in February:
12.7mph - Average wind speed in March:
13.3mph - Average wind speed in April:
12.7mph - Average wind speed in May:
11.8mph - Average wind speed in June:
9.8mph
- Average wind speed in July:
9mph - Average wind speed in August:
9.5mph - Average wind speed in September:
9.8mph - Average wind speed in October:
12.8mph - Average wind speed in November:
13.3mph - Average wind speed in December:
12.9mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).
Average humidity
Duck Key, FL
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).
Average rainfall
Duck Key, FL
- Average rainfall in January:
0.79" - Average rainfall in February:
0.71" - Average rainfall in March:
0.43" - Average rainfall in April:
1.1" - Average rainfall in May:
2.48" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.95" - Average rainfall in August:
3.31" - Average rainfall in September:
4.21" - Average rainfall in October:
3.27" - Average rainfall in November:
1.02" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days
Duck Key, FL
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
19.7 days
- Average rainfall days in July:
20.1 days - Average rainfall days in August:
21 days - Average rainfall days in September:
23 days - Average rainfall days in October:
18.5 days - Average rainfall days in November:
12.6 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).
Average sea temperature
Duck Key, FL
The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest months (with the lowest average sea temperature) are January and February (73.9°F).
Average daylight / Average sunshine
Duck Key, FL
- Average daylight in January:
10h and 5min - 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 2min - Average daylight in June:
13h and 4min
- Average daylight in July:
13h and 3min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 4min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 4min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
8h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
9h and 5min - Average sunshine in May:
10h and 5min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 4min
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 36min).
Average sunshine days
Duck Key, FL
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
15 days - Average sunshine days in March:
18 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
7.9 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
7.3 days - Average sunshine days in September:
4.6 days - Average sunshine days in October:
8.9 days - Average sunshine days in November:
11.9 days - Average sunshine days in December:
13.8 days
The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).
Average UV index
Duck 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).
Average cloud cover
Duck Key, FL
The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility
Duck 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).
Duck Key, Florida, USA
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