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 commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a fresh 55°F (12.8°C) in November to a frosty 46.6°F (8.1°C). An average low-temperature of 32.5°F (0.3°C) marks the nights throughout December.Humidity
February and December, with an average relative humidity of 79%, are the most humid months in Jayne Mill.Rainfall
In Jayne Mill, in December, it is raining for 14.2 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, in Jayne Mill, there are 186.6 rainfall days, and 33.15" (842mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. December is the month with the most snowfall in Jayne Mill. Snow falls for 6.6 days and accumulates 3.5" (89mm) of snow.Daylight
December has the shortest days of the year in Jayne Mill, with an average of 9h and 42min of daylight.On the first day of December in Jayne Mill, sunrise is at 7:24 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:24 pm EST.
Sunshine
The average sunshine in December in Jayne Mill is 5.2h.UV index
The months with the lowest UV index in Jayne Mill are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Jayne Mill?
What are the most humid months in Jayne Mill?
What is the average humidity in December in Jayne Mill?
How many days does it rain in December in Jayne Mill?
What is the snowiest month in Jayne Mill?
How much does it snow in Jayne Mill in December?
What is the month with the shortest days in Jayne Mill?
What is the average length of the day in December in Jayne Mill?
What time are sunrise and sunset in December in Jayne Mill?
How long on average sun shines in December in Jayne Mill?
What are the months with the lowest UV index in Jayne Mill?
What is the UV index reading in December in Jayne Mill?
Average temperature in December
Jayne Mill, VA
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Jayne Mill, VA
- 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 (29.99"Hg).
Average wind speed in December
Jayne Mill, VA
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Jayne Mill, VA
- Average humidity in December: 79%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are June, July, August, September and November (75%).
Average rainfall in December
Jayne Mill, VA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is February (3.82").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Jayne Mill, VA
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in December
Jayne Mill, VA
- Average snowfall in December: 3.5"
The month with the highest snowfall is December (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jayne Mill, VA
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jayne Mill, VA
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Jayne Mill, VA
- Average sunshine days in December: 12.8 days
The months with the most sunshine days are October and November (16.3 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in December
Jayne Mill, VA
- 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, February and December (UV index 2).
Average cloud cover in December
Jayne Mill, VA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Jayne Mill, VA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Jayne Mill, Virginia, USA
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