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
In Jonesville, entering December brings a temperature decrement, reducing from November's fresh 53.2°F (11.8°C) to a chilly 44.2°F (6.8°C). Throughout December, Jonesville anticipates an average low-temperature of 31.6°F (-0.2°C).Humidity
October and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Jonesville, in December, during 7.2 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 115.4 rainfall days, and 10.59" (269mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Jonesville, in December, snow falls for 2.1 days, with typically accumulated 0.47" (12mm) of snow. Throughout the year, in Jonesville, there are 12.7 snowfall days, and 2.24" (57mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:10 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:57 pm EST.
Sunshine
In Jonesville, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Jonesville have in December?
What is the month with the lowest UV index?
How high is the UV index in December in Jonesville?
Average temperature in December
Jonesville, MD
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Jonesville, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Jonesville, MD
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Jonesville, MD
- Average humidity in December: 78%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Jonesville, MD
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in December
Jonesville, MD
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Jonesville, MD
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Jonesville, MD
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Jonesville, MD
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in December
Jonesville, MD
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is May (14.6 days).
Average UV index in December
Jonesville, MD
- 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, November and December (UV index 2).
Average cloud cover in December
Jonesville, MD
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Jonesville, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Jonesville, Maryland, USA
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