December weather forecastCrystal Heights, FL
December
Weather in December
December, the first month of the winter in Crystal Heights, is also an agreeable month, with an average temperature ranging between max 72°F (22.2°C) and min 56.7°F (13.7°C).Temperature
The unfolding of December shows an average high-temperature of a pleasant 72°F (22.2°C), indicating a slight variance from November's 75.6°F (24.2°C). During the nights in December, Crystal Heights observes an average low-temperature of 56.7°F (13.7°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Crystal Heights, during December, the rain falls for 10.7 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 185.5 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
In Crystal Heights, snow does not fall in February through December.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:01 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:39 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 6.2h of sunshine.UV index
The average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during December translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Crystal Heights, FL
- Average high temperature in December: 72°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (67.8°F).
- Average low temperature in December: 56.7°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (52°F).
Average pressure in December
Crystal Heights, 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 (29.97"Hg).
Average wind speed in December
Crystal Heights, FL
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are January, March and April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Crystal Heights, FL
- Average humidity in December: 76%
The months with the highest relative humidity are August and September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Crystal Heights, FL
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is March (1.18").
Average rainfall days in December
Crystal Heights, FL
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in December
Crystal Heights, FL
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Crystal Heights, FL
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Crystal Heights, FL
- Average daylight in December: 10h and 18min
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 18min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Crystal Heights, FL
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is January (17.4 days).
The month with the least sunshine days is August (4.3 days).
Average UV index in December
Crystal Heights, 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 Heights, FL
- Average cloud cover in December: 35
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in December
Crystal Heights, 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).





