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
December notes an average high-temperature of a still warm 73.9°F, subtly differing from November's 77.5°F. Captiva sees an average low-temperature of 63.9°F during December.Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Captiva, in December, during 5.5 rainfall days, 0.47" of precipitation is typically accumulated. Throughout the year, there are 122 rainfall days, and 8.98" of precipitation is accumulated.Ocean temperature
In December, the average ocean temperature is 75.2°F.Note: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 75.2°F. (Olympic swimming regulations state a water temperature of 77°F to 82.4°F.)
Daylight
The month with the shortest days in Captiva, Florida, is December, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 5:35 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:46 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.7h of sunshine.UV index
The average daily maximum UV index in December in Captiva is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in December leads to these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert! The reflection of water and sand augments UV radiation intensity.
FAQ
What is the average December temperature in Captiva?
What is the most humid month in Captiva?
What is the average humidity in December in Captiva?
How much does it rain in Captiva in December?
How warm is the water in December in Captiva?
What is the month with the shortest days in Captiva?
How many hours of daylight does Captiva have in December?
When are sunrise and sunset in December in Captiva?
What is the month with the least sunshine in Captiva?
How many hours of sunshine does Captiva have in December?
What is the UV index intensity in December in Captiva?
Average temperature in December
Captiva, FL
- Average high temperature in December: 73.9°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (70°F).
- Average low temperature in December: 63.9°F
The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (58.8°F).
Average pressure in December
Captiva, FL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in December
Captiva, FL
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are October and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Captiva, FL
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Captiva, FL
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is March (0.16").
Average rainfall days in December
Captiva, FL
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is February (4.1 days).
Average sea temperature in December
Captiva, FL
- Average sea temperature in December: 75°F
The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest month (with the lowest average sea temperature) is February (70°F).
Average daylight in December /
Average sunshine in December
Captiva, FL
- Average daylight in December: 10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Captiva, FL
- Average sunshine days in December: 23.1 days
The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is September (7.2 days).
Average UV index in December
Captiva, FL
- Average UV index in December: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).
Average cloud cover in December
Captiva, FL
- Average cloud cover in December: 28
The month with the most cloud cover is January (Cloud cover 29).
The months with the least cloud cover are March and May (Cloud cover 23).
Average visibility in December
Captiva, 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).
Captiva, Florida, USA
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