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
Stepping into December, Rock Ridge records an average high-temperature of a pleasant 72.5°F (22.5°C), almost consistent with November. Nighttime temperatures in December average to a mild 55.6°F (13.1°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 197.3 rainfall days, and 38.74" (984mm) 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 December, sunrise is at 7:02 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:42 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 6.2h of sunshine.UV index
In Rock Ridge, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 5 transforms into the following advice:
Undertake protective steps - Preventing sun damage is advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
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 is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
Rock Ridge, FL
- Average high temperature in December: 72.5°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in December: 55.6°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).
Average pressure in December
Rock Ridge, FL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Rock Ridge, FL
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Rock Ridge, FL
- Average humidity in December: 77%
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Rock Ridge, FL
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is August (6.97").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in December
Rock Ridge, FL
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (27.9 days).
The month with the least rainy days is January (8.9 days).
Average daylight in December /
Average sunshine in December
Rock Ridge, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Rock Ridge, FL
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is August (1.7 days).
Average UV index in December
Rock Ridge, 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
Rock Ridge, 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 28).
Average visibility in December
Rock Ridge, 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).
Rock Ridge, Florida, USA
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