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 snowfall 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
December registers an average high-temperature of a pleasant 69.8°F (21°C), slightly varied from November's 73.9°F (23.3°C). In December, the average low-temperature in Roy records at a cool 53.1°F (11.7°C) during the nights.Humidity
August, September and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In December, the rain falls for 6.9 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Roy, there are 138.3 rainfall days, and 12.76" (324mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The month with the shortest days in Roy, Florida, is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 5:26 pm. On the last day of December, in Roy, sunrise is at 7:20 am and sunset at 5:37 pm EST.
Sunshine
With an average of 5.9h of sunshine, December has the least sunshine of the year in Roy, Florida.UV index
The months with the lowest UV index in Roy are January 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 average individuals.Note: A daily maximum UV index of 4 in December translates into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the average December temperature in Roy?
What are the most humid months in Roy?
What is the average humidity in December in Roy?
How many days does it rain in December in Roy?
When it does not snow in Roy?
Does it snow in Roy in December?
What is the month with the shortest days in Roy?
How many hours of daylight does Roy have in December?
When is the sunrise / sunset in December in Roy?
What is the month with the least sunshine in Roy?
How long on average sun shines in December in Roy?
When is the lowest UV index in Roy?
How high is the UV index in December in Roy?
Average temperature in December
Roy, FL
- Average high temperature in December: 69.8°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (65.8°F).
- Average low temperature in December: 53.1°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (48.2°F).
Average pressure in December
Roy, FL
- Average pressure in December: 30.12"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
Roy, FL
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Roy, FL
- Average humidity in December: 77%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Roy, FL
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is March (0.47").
Average rainfall days in December
Roy, FL
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.7 days).
Average snowfall days in December
Roy, 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
Roy, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Roy, FL
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Roy, 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 and December (UV index 4).
Average cloud cover in December
Roy, FL
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and July (Cloud cover 30).
Average visibility in December
Roy, 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).
Roy, Florida, USA
Weather forecast for your location
2. Allow the app to use your location
