December weather forecastSumterville, FL
December
Weather in December
The first month of the winter, December, is also an agreeable month in Sumterville, Florida, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 53.6°F (12°C).Temperature
Sumterville records an average high-temperature of a pleasant 71.2°F (21.8°C) as December arrives, nearly mirroring the previous month's climate. In December, Sumterville's temperature tends to fall to an average low of 53.6°F (12°C) during the night.Humidity
In December, the average relative humidity is 77%.Rainfall
In Sumterville, Florida, in December, during 6.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Sumterville, during the entire year, the rain falls for 130.4 days and collects up to 11.26" (286mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:42 pm EST.
Sunshine
The month with the least sunshine in Sumterville is December, with an average of 6.1h of sunshine.UV index
In Sumterville, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 5 during December, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sumterville, FL
- Average high temperature in December: 71.2°F
The warmest months (with the highest average high temperature) are July and August (90.1°F).
The month with the lowest average high temperature is January (67.1°F).
- Average low temperature in December: 53.6°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (48.9°F).
Average pressure in December
Sumterville, 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
Sumterville, FL
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Sumterville, 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
Sumterville, FL
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is March (0.28").
Average rainfall days in December
Sumterville, FL
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (6 days).
Average daylight in December /
Average sunshine in December
Sumterville, 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 6min
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 6min).
Average sunshine days in December
Sumterville, FL
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Sumterville, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Sumterville, FL
- Average cloud cover in December: 37
The months with the most cloud cover are February and December (Cloud cover 37).
The months with the least cloud cover are May and October (Cloud cover 29).
Average visibility in December
Sumterville, 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).
