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 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
During December, Crystal Beach records an average high-temperature of a pleasant 70.2°F (21.2°C), marking a slight divergence from November's 74.1°F (23.4°C). Crystal Beach's temperature drops to an average low of 59.5°F (15.3°C) during the nights of December.Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Crystal Beach, in December, during 9 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 168.5 rainfall days, and 27.4" (696mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 24min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:46 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.5h of sunshine.UV index
In Crystal Beach, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during December translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Crystal Beach, FL
- Average high temperature in December: 70.2°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (65.7°F).
- Average low temperature in December: 59.5°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (55°F).
Average pressure in December
Crystal Beach, FL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Crystal Beach, FL
- Average wind speed in December: 8.8mph
The windiest months (with the highest average wind speed) are January and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Crystal Beach, FL
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are May and October (72%).
Average rainfall in December
Crystal Beach, FL
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is August (5.16").
The driest month (with the least rainfall) is March (0.79").
Average rainfall days in December
Crystal Beach, FL
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (25.6 days).
The month with the least rainy days is November (7.6 days).
Average daylight in December /
Average sunshine in December
Crystal Beach, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 6h and 3min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Crystal Beach, FL
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (3.6 days).
Average UV index in December
Crystal Beach, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Crystal Beach, FL
- Average cloud cover in December: 30
The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).
Average visibility in December
Crystal Beach, 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).
Crystal Beach, Florida, USA
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