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 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
The arrival of December signals a subtle shift in temperature, down from a mild 59.5°F (15.3°C) in November to a cool 51.6°F (10.9°C). Hillsboro throughout December, experiences an average nighttime temperature of 38.3°F (3.5°C).Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
The months with the most rainfall are April and December, with an average 4.33" (110mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Hillsboro, in December, during 1.3 snowfall days, 0.31" (8mm) of snow is typically accumulated. Throughout the year, there are 6.6 snowfall days, and 1.77" (45mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:38 am and sunset at 4:38 pm. On the last day of December, sunrise is at 6:55 am and sunset at 4:48 pm CST.
Sunshine
In Hillsboro, the average sunshine in December is 4.7h.UV index
December is the month with the lowest UV index in Hillsboro, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Hillsboro have in December?
When are sunrise and sunset in December in Hillsboro?
How many hours of sunshine does Hillsboro have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Hillsboro, AL
- Average high temperature in December: 51.6°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Hillsboro, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Hillsboro, AL
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Hillsboro, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Hillsboro, AL
- Average rainfall in December: 4.33"
The wettest months (with the highest rainfall) are April and December (4.33").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in December
Hillsboro, AL
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in December
Hillsboro, AL
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hillsboro, AL
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hillsboro, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Hillsboro, AL
- Average sunshine days in December: 15.9 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Hillsboro, AL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Hillsboro, AL
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Hillsboro, AL
- 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).
Hillsboro, Alabama, USA
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