December weather forecastRosemary Beach, FL
December
Weather in December
December, the first month of the winter in Rosemary Beach, is still a comfortable month, with an average temperature fluctuating between 63.5°F (17.5°C) and 52.9°F (11.6°C).Temperature
Rosemary Beach's shift into December is marked by a subtle change to a comfortable 63.5°F (17.5°C) from November's 68.7°F (20.4°C) in temperature. Rosemary Beach records an average low of 52.9°F (11.6°C) throughout the nights in December.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Rosemary Beach, in December, during 12.9 rainfall days, 4.02" (102mm) of precipitation is typically accumulated. Throughout the year, there are 176 rainfall days, and 42.09" (1069mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The month with the shortest days in Rosemary Beach is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:23 am and sunset at 4:43 pm. On the last day of December, sunrise is at 6:40 am and sunset at 4:54 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
The months with the lowest UV index in Rosemary Beach are January, February and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the UV index of 4 transforms into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rosemary Beach, FL
- Average high temperature in December: 63.5°F
The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (59.9°F).
- Average low temperature in December: 52.9°F
The month with the highest average low temperature is August (79.9°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).
Average pressure in December
Rosemary Beach, FL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Rosemary Beach, FL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are August and September (7.3mph).
Average humidity in December
Rosemary Beach, FL
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Rosemary Beach, FL
- Average rainfall in December: 4.02"
The wettest month (with the highest rainfall) is August (6.61").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Rosemary Beach, FL
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is August (25.4 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Rosemary Beach, 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
Rosemary Beach, 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
Rosemary Beach, FL
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Rosemary Beach, FL
- Average sunshine days in December: 16.1 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is August (4.3 days).
Average UV index in December
Rosemary Beach, FL
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in December
Rosemary Beach, FL
- Average cloud cover in December: 38
The month with the most cloud cover is December (Cloud cover 38).
The months with the least cloud cover are May and October (Cloud cover 22).
Average visibility in December
Rosemary 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).





