Expand
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, the same as December, in Duck Key, Florida, is an agreeable winter month, with temperature in the range of an average low of 67.5°F (19.7°C) and an average high of 72.9°F (22.7°C). With average temperatures fluctuating between a high of 72.9°F (22.7°C) and a low of 67.5°F (19.7°C), January stands out as the coldest month. 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 (23°C) and 70°F (21.1°C). Duck Key's shift into February sets the average high-temperature at a warm 73.4°F (23°C), a figure that deviates only slightly from January's 72.9°F (22.7°C). Weather in February »
Weather in March
The first month of the spring, March, is also a moderately hot month in Duck Key, Florida, with an average temperature fluctuating between 70.5°F (21.4°C) and 74.3°F (23.5°C). The onset of March brings an average high-temperature of a still warm 74.3°F (23.5°C), nearly matching the February temperature. Weather in March »
Weather in April
April, like March, in Duck Key, Florida, is a moderately hot spring month, with an average temperature fluctuating between 77.4°F (25.2°C) and 75°F (23.9°C). Duck Key's weather in April, with an average high-temperature of a still moderately hot 77.4°F (25.2°C), subtly shifts from March's 74.3°F (23.5°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Duck Key, Florida, with an average temperature fluctuating between 77.7°F (25.4°C) and 80.4°F (26.9°C). The arrival of May brings an average high-temperature of a still warm 80.4°F (26.9°C), subtly diverging from April's 77.4°F (25.2°C). Weather in May »
Weather in June
June, the first month of the summer in Duck Key, is still a warm month, with temperature in the range of an average low of 81.3°F (27.4°C) and an average high of 83.5°F (28.6°C). June's average high-temperature is a still moderately hot 83.5°F (28.6°C), maintaining a close comparison with May's 80.4°F (26.9°C). 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 84.6°F (29.2°C) and 82.6°F (28.1°C). July's onset records an average high-temperature of a still moderately hot 84.6°F (29.2°C), a near match to June's 83.5°F (28.6°C). Weather in July »
Weather in August
August, the last month of the summer in Duck Key, is another warm month, with temperature in the range of an average low of 82.9°F (28.3°C) and an average high of 85.5°F (29.7°C). August tends to be the warmest month, with temperatures averaging a daily high of 85.5°F (29.7°C) and a low of 82.9°F (28.3°C). The heat index for August is estimated at a sweltering 95°F (35°C). Weather in August »
Weather in September
September, the first month of the autumn in Duck Key, is still a warm month, with an average temperature fluctuating between 84.6°F (29.2°C) and 82°F (27.8°C). The shift into September finds Duck Key at an average high-temperature of a still moderately hot 84.6°F (29.2°C), closely comparable to August's conditions. Weather in September »
Weather in October
October, like September, in Duck Key, Florida, is a moderately hot autumn month, with an average temperature fluctuating between 82.2°F (27.9°C) and 79.3°F (26.3°C). The arrival of October brings an average high-temperature of a still warm 82.2°F (27.9°C), closely following the temperature pattern of 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 min 74.1°F (23.4°C) and max 77.9°F (25.5°C). Duck Key measures an average high-temperature of a still warm 77.9°F (25.5°C) in November, nearly consistent with the preceding month. Weather in November »
Weather in December
December, the first month of the winter in Duck Key, is still a warm month, with an average temperature fluctuating between 71.4°F (21.9°C) and 75.6°F (24.2°C). December denotes a minimal variation in the average high-temperature to a still warm 75.6°F (24.2°C) from November's 77.9°F (25.5°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Duck Key?
Temperature readings in Duck Key reach their annual highs in January, averaging 72.9°F (22.7°C) and a minimum average of 67.5°F (19.7°C).
How much does it rain in Duck Key?
In Duck Key, Florida, during the entire year, the rain falls for 186.2 days and collects up to 24.45" (621mm) of precipitation.
When is the ocean coldest in Duck Key?
The months with the coldest seawater in Duck Key, Florida, are January and February, with an average ocean temperature of 73.9°F (23.3°C).
When is the lowest UV index in Duck Key?
January is the month with the lowest UV index, with an average maximum UV index of 5.
What is the most humid month in Duck Key?
February and December, with an average relative humidity of 77%, are most humid months in Duck Key.
What is the least humid month in Duck Key?
With an average relative humidity of 73%, March is the least humid month in Duck Key, Florida.
What is the driest month in Duck Key?
The month with the least rainfall in Duck Key, Florida, is March, when the rain falls for 10.8 days and typically collects 0.43" (11mm) of precipitation.
When is Daylight Saving Time (DST) in Duck 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.
When is the highest UV index in Duck Key?
April through October, with an average maximum UV index of 7, are months with the highest UV index in Duck Key.
When are the longest days in Duck Key?
With an average of 13h and 42min of daylight, June has the longest days of the year in Duck Key.
What month has the most sunshine in Duck Key?
July has the most sunshine of the year in Duck Key, with an average of 11.1h of sunshine.
What time of the year is the hottest in Duck Key?
August brings the highest temperatures in Duck Key, Florida, with an average high of 85.5°F (29.7°C) and an average low of 82.9°F (28.3°C).
When is the ocean warmest in Duck Key?
The month with the warmest seawater is August, with an average ocean temperature of 86.5°F (30.3°C).
What is the rainiest month in Duck Key?
The month with the most rainfall in Duck Key, Florida, is September, when the rain falls for 23 days and typically aggregates up to 4.21" (107mm) of precipitation.
What is the month with the shortest days in Duck Key?
With an average of 10h and 36min of daylight, December has the shortest days of the year in Duck Key, Florida.
What is the month with the least sunshine in Duck Key?
December has the least sunshine of the year in Duck Key, 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
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
