Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
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. Throughout December, Duck Key reports a steady low-temperature average of 71.4°F, slightly lower than its daytime counterpart.Humidity
February and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In December, the rain falls for 12.5 days. Throughout December, 1.06" of precipitation is accumulated. In Duck Key, during the entire year, the rain falls for 186.2 days and collects up to 24.45" of precipitation.Ocean temperature
In Duck Key, the average seawater temperature in December is 76.5°F.Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 76.5°F waters. Olympic standards, for reference, are set between 77°F and 82.4°F.
Daylight
The month with the shortest days in Duck Key is December, with an average of 10h and 36min of daylight.On the first day of December, sunrise is at 6:51 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:45 pm EST.
Sunshine
December has the least sunshine of the year in Duck Key, with an average of 6.6h of sunshine.UV index
In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Watch out! Reflections from sand and water can surge UV radiation exposure.
FAQ
What is the usual temperature for Duck Key in December?
What are the most humid months in Duck Key?
What is the average humidity in December in Duck Key?
How many days does it rain in December in Duck Key?
What is the water temperature in December in Duck Key?
What is the month with the shortest days in Duck Key?
How many hours of daylight does Duck Key have in December?
When are sunrise and sunset in December in Duck Key?
What is the month with the least sunshine in Duck Key?
How many hours of sunshine does Duck Key have in December?
What is the UV index reading in December in Duck Key?
Average temperature in December
Duck Key, FL
- Average high temperature in December: 75.6°F
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).
- Average low temperature in December: 71.4°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 in December
Duck Key, FL
- 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 in December
Duck Key, FL
- 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 in December
Duck Key, FL
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Duck Key, FL
- 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 in December
Duck Key, FL
- 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 in December
Duck Key, FL
- Average sea temperature in December: 76.5°F
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 in December /
Average sunshine in December
Duck Key, FL
- 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 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 in December
Duck Key, FL
- 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 in December
Duck Key, FL
- Average UV index in December: 6
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 in December
Duck Key, FL
- Average cloud cover in December: 31
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 in December
Duck Key, FL
- Average visibility in December: 6mi
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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