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 onset of December introduces a moderate change in Hillsville's weather, with average high-temperatures falling from November's chilly 47.8°F (8.8°C) to a cold 37.9°F (3.3°C). Hillsville records an average low of 26.6°F (-3°C) throughout the nights in December.Humidity
In December, the average relative humidity is 85%.Rainfall
In Hillsville, in December, during 10.9 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 174.2 rainfall days, and 33.03" (839mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hillsville, during December, snow falls for 14.8 days and regularly aggregates up to 4.92" (125mm) of snow. Throughout the year, there are 71.4 snowfall days, and 26.73" (679mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:03 pm EST.
Sunshine
In December, the average sunshine is 3.1h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much 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 Hillsville have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December in Hillsville?
Average temperature in December
Hillsville, PA
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Hillsville, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Hillsville, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Hillsville, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, July and August (77%).
Average rainfall in December
Hillsville, PA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Hillsville, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Hillsville, PA
- Average snowfall in December: 4.92"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hillsville, PA
- Average snowfall days in December: 14.8 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hillsville, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Hillsville, PA
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Hillsville, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Hillsville, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Hillsville, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Hillsville, Pennsylvania, USA
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