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
Cudjoe Key indicates an average high-temperature of a still moderately hot 75.2°F (24°C) in December, showing minor variation from November's 77.9°F (25.5°C). In Cudjoe Key, the nocturnal temperatures throughout December show a marginal dip from the daytime averages, settling at a pleasant 72.3°F (22.4°C).Humidity
In Cudjoe Key, the average relative humidity in December is 77%.Rainfall
In Cudjoe Key, in December, it is raining for 11.4 days, with typically 0.87" (22mm) of accumulated precipitation. In Cudjoe Key, during the entire year, the rain falls for 171.1 days and collects up to 21.54" (547mm) of precipitation.Ocean temperature
In Cudjoe Key, the average seawater temperature in December is 75.4°F (24.1°C).Note: For those not fond of cold temperatures, taking a swim at 75.4°F (24.1°C) may require consideration of the sunshine, wind, and ambient temperature. While wetsuits are not mandatory, they can enhance the experience.
Daylight
The month with the shortest days is December, with an average of 10h and 36min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 5:36 pm. On the last day of December, sunrise is at 7:10 am and sunset at 5:48 pm EST.
Sunshine
With an average of 6.5h of sunshine, December has the least sunshine of the year.UV index
In Cudjoe Key, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in December translates into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The mirror effect of sand and water ups the UV radiation strength.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
What is the water temperature in December?
What is the month with the shortest days?
How many hours of daylight does Cudjoe Key have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Cudjoe Key, FL
- Average high temperature in December: 75.2°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).
- Average low temperature in December: 72.3°F
The month with the highest average low temperature is August (83.1°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).
Average pressure in December
Cudjoe Key, FL
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).
Average wind speed in December
Cudjoe Key, FL
- Average wind speed in December: 13.8mph
The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.4mph).
Average humidity in December
Cudjoe Key, FL
- Average humidity in December: 77%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall in December
Cudjoe Key, FL
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is September (3.54").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in December
Cudjoe Key, FL
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is March (9.4 days).
Average sea temperature in December
Cudjoe Key, FL
- Average sea temperature in December: 75.3°F
The best month for swimming (with the highest average sea temperature) is August (86.8°F).
The coldest month (with the lowest average sea temperature) is February (72.1°F).
Average daylight in December /
Average sunshine in December
Cudjoe Key, FL
- Average daylight in December: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in December: 6h and 3min
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 30min).
Average sunshine days in December
Cudjoe Key, FL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is March (19.6 days).
The month with the least sunshine days is September (6.2 days).
Average UV index in December
Cudjoe 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
Cudjoe Key, FL
- Average cloud cover in December: 32
The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility in December
Cudjoe 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).
Cudjoe Key, Florida, USA
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