December weather forecastHillsboro, WV
December
Weather in December
The first month of the winter, December, is still a cold month in Hillsboro, West Virginia, with an average temperature varying between 41.2°F (5.1°C) and 28.2°F (-2.1°C).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a chilly 49.8°F (9.9°C) in November to a wintry 41.2°F (5.1°C). Hillsboro records an average nighttime low-temperature of 28.2°F (-2.1°C) throughout December.Humidity
In December, the average relative humidity is 81%.Rainfall
In Hillsboro, during December, the rain falls for 11.5 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Hillsboro, during the entire year, the rain falls for 156.9 days and collects up to 22.68" (576mm) of precipitation.Snowfall
Months with snowfall in Hillsboro are January through May, October through December. In Hillsboro, during December, snow falls for 7.8 days and regularly aggregates up to 2.83" (72mm) of snow. In Hillsboro, during the entire year, snow falls for 39.4 days and aggregates up to 15.75" (400mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:19 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hillsboro. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hillsboro, WV
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Hillsboro, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Hillsboro, WV
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Hillsboro, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June and July (77%).
Average rainfall in December
Hillsboro, WV
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Hillsboro, WV
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Hillsboro, WV
- Average snowfall in December: 2.83"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hillsboro, WV
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hillsboro, WV
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Hillsboro, WV
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Hillsboro, WV
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Hillsboro, WV
- Average cloud cover in December: 52
The months with the most cloud cover are January and February (Cloud cover 55).
The months with the least cloud cover are June and November (Cloud cover 39).
Average visibility in December
Hillsboro, WV
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (5mi).
The months with the lowest visibility are May, August and September (4mi).





