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
In Key Largo, the average high-temperature in December is relatively the same as in November - a still warm 75.2°F (24°C). The average low-temperature, in Key Largo, Florida, is 71.1°F (21.7°C).Humidity
The months with the highest humidity in Key Largo are February, June and December, with an average relative humidity of 76%.Rainfall
In Key Largo, in December, during 12.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Key Largo, during the entire year, the rain falls for 190.1 days and collects up to 27.05" (687mm) of precipitation.Ocean temperature
In Key Largo, in December, the average water temperature is 76.3°F (24.6°C).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.3°F (24.6°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)
Daylight
December has the shortest days of the year, with an average of 10h and 37min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 5:31 pm. On the last day of December, in Key Largo, Florida, sunrise is at 7:06 am and sunset at 5:42 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.4h of sunshine.UV index
The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
FAQ
What is the temperature in December in Key Largo?
What is the most humid month in Key Largo?
What is the average humidity in December in Key Largo?
How many days does it rain in December in Key Largo?
What is the water temperature in December in Key Largo?
What is the month with the shortest days in Key Largo?
What is the average length of the day in December in Key Largo?
When are sunrise and sunset in December in Key Largo?
What is the month with the least sunshine in Key Largo?
How many hours of sunshine does Key Largo have in December?
What is the UV index reading in December in Key Largo?
Average temperature in December
Key Largo, FL
- Average high temperature in December: 75.2°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 (72.7°F).
- Average low temperature in December: 71.1°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 (66.9°F).
Average pressure in December
Key Largo, FL
- Average pressure in December: 30.07"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
Key Largo, FL
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in December
Key Largo, FL
- Average humidity in December: 76%
The months with the highest relative humidity are February, June and December (76%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Key Largo, FL
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (0.59").
Average rainfall days in December
Key Largo, FL
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is September (22.9 days).
The month with the least rainy days is February (9.7 days).
Average sea temperature in December
Key Largo, FL
- Average sea temperature in December: 76.3°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).
Average daylight in December /
Average sunshine in December
Key Largo, FL
- Average daylight in December: 10h and 37min
The month with the longest days is June (Average daylight: 13h and 40min).
The month with the shortest days is December (Average daylight: 10h and 37min).
- Average sunshine in December: 6h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Key Largo, FL
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (5.2 days).
Average UV index in December
Key Largo, 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
Key Largo, FL
- Average cloud cover in December: 33
The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in December
Key Largo, 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).
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