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
December marks a gentle change in average high-temperature, declining from November's refreshing 58.5°F (14.7°C) to a fresh 51.6°F (10.9°C). Nighttime temperatures hover around an average low of 36.5°F (2.5°C) in December.Humidity
The most humid month in Hillsborough is December, with an average relative humidity of 77%.Rainfall
In Hillsborough, in December, it is raining for 9.7 days, with typically 2.6" (66mm) of accumulated precipitation. In Hillsborough, North Carolina, during the entire year, the rain falls for 157.7 days and collects up to 32.32" (821mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 0.8 days. Throughout December, 1.93" (49mm) of snow is accumulated. In Hillsborough, during the entire year, snow falls for 6.5 days and aggregates up to 6.77" (172mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:09 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:12 pm EST.
Sunshine
December has the least sunshine of the year in Hillsborough, North Carolina, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the average December temperature in Hillsborough?
What is the most humid month in Hillsborough?
What is the average humidity in December in Hillsborough?
How many days does it rain in December in Hillsborough?
How much does it snow in Hillsborough in December?
What is the month with the shortest days in Hillsborough?
How many hours of daylight does Hillsborough have in December?
When is the sunrise / sunset in December in Hillsborough?
What is the month with the least sunshine in Hillsborough?
How long on average sun shines in December in Hillsborough?
What is the month with the lowest UV index in Hillsborough?
What is the UV index intensity in December in Hillsborough?
Average temperature in December
Hillsborough, NC
- Average high temperature in December: 51.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 36.5°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 (31.3°F).
Average pressure in December
Hillsborough, NC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Hillsborough, NC
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Hillsborough, NC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Hillsborough, NC
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is October (2.01").
Average rainfall days in December
Hillsborough, NC
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Hillsborough, NC
- Average snowfall in December: 1.93"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hillsborough, NC
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hillsborough, NC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Hillsborough, NC
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Hillsborough, NC
- 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
Hillsborough, NC
- Average cloud cover in December: 42
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Hillsborough, NC
- 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).
Hillsborough, North Carolina, USA
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