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
The onset of December brings an average high-temperature of an agreeable 72.3°F (22.4°C), nearly matching the November temperature. Throughout December, the average low-temperature in Seffner records at a mild 56.8°F (13.8°C).Humidity
August, September and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Seffner, in December, it is raining for 7.1 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 160.9 rainfall days, and 16.77" (426mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 24min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 5:33 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:44 pm EST.
Sunshine
With an average of 6.3h of sunshine, December has the least sunshine of the year.UV index
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 the ordinary person.Note: The UV index of 5 in December translates into these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What are December temperatures in Seffner?
What is the most humid month in Seffner?
What is the average humidity in December in Seffner?
How much does it rain in Seffner in December?
What is the month with the shortest days in Seffner?
How many hours of daylight does Seffner have in December?
When is the sunrise / sunset in December in Seffner?
What is the month with the least sunshine in Seffner?
How many hours of sunshine does Seffner have in December?
What is the UV index reading in December in Seffner?
Average temperature in December
Seffner, FL
- Average high temperature in December: 72.3°F
The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in December: 56.8°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (52.3°F).
Average pressure in December
Seffner, 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 (29.96"Hg).
Average wind speed in December
Seffner, FL
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is March (7.2mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
Seffner, FL
- Average humidity in December: 76%
The months with the highest relative humidity are August, September and December (76%).
The months with the lowest relative humidity are March and May (70%).
Average rainfall in December
Seffner, FL
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is July (3.23").
The driest month (with the least rainfall) is March (0.35").
Average rainfall days in December
Seffner, FL
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is January (5.8 days).
Average daylight in December /
Average sunshine in December
Seffner, 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 2min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Seffner, FL
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is July (4.5 days).
Average UV index in December
Seffner, 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
Seffner, FL
- Average cloud cover in December: 32
The months with the most cloud cover are January, February and December (Cloud cover 32).
The month with the least cloud cover is May (Cloud cover 24).
Average visibility in December
Seffner, 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).
Seffner, Florida, USA
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