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
A mild shift in the average high-temperature occurs in December, reducing from a mild 56.8°F (13.8°C) in November to a frosty 49.3°F (9.6°C). Hillsboro experiences a mean low-temperature of 36°F (2.2°C) during December.Humidity
March and December, with an average relative humidity of 80%, are the most humid months in Hillsboro.Rainfall
In Hillsboro, during December, the rain falls for 13.4 days and regularly aggregates up to 3.86" (98mm) of precipitation. Throughout the year, there are 183 rainfall days, and 43.19" (1097mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hillsboro, Tennessee, are January through April, November and December. In Hillsboro, in December, snow falls for 3.1 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, in Hillsboro, Tennessee, there are 17.2 snowfall days, and 4.53" (115mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:35 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Hillsboro in December?
What is the most humid month in Hillsboro?
What is the average humidity in December in Hillsboro?
How many days does it rain in December in Hillsboro?
How many days does it snow in December in Hillsboro?
What is the month with the shortest days in Hillsboro?
What is the average length of the day in December in Hillsboro?
When are sunrise and sunset in December in Hillsboro?
How many hours of sunshine does Hillsboro have in December?
What are the months with the lowest UV index in Hillsboro?
What is the UV index intensity in December in Hillsboro?
Average temperature in December
Hillsboro, TN
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
Hillsboro, TN
- 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, TN
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Hillsboro, TN
- Average humidity in December: 80%
The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Hillsboro, TN
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in December
Hillsboro, TN
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Hillsboro, TN
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hillsboro, TN
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hillsboro, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Hillsboro, TN
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Hillsboro, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Hillsboro, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Hillsboro, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, September, October and November (6mi).
The months with the lowest visibility are January, May, July, August and December (5mi).
Hillsboro, Tennessee, USA
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