December weather forecastRuthsburg, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Ruthsburg, Maryland, with an average temperature fluctuating between 34.9°F (1.6°C) and 46°F (7.8°C).Temperature
Ruthsburg's transition into December involves a gentle shift in temperature, receding from a fresh 54.5°F (12.5°C) in November to a chilly 46°F (7.8°C). An average low-temperature of 34.9°F (1.6°C) is recorded during the nights in December.Humidity
The average relative humidity in December is 76%.Rainfall
In December, the rain falls for 10.1 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In Ruthsburg, during the entire year, the rain falls for 154.8 days and collects up to 30.59" (777mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Ruthsburg, in December, during 1.1 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Ruthsburg, during the entire year, snow falls for 9.5 days and aggregates up to 4.88" (124mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:51 pm EST.
Sunshine
In Ruthsburg, the average sunshine in December is 5.1h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Ruthsburg. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ruthsburg, MD
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Ruthsburg, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Ruthsburg, MD
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Ruthsburg, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are April and November (73%).
Average rainfall in December
Ruthsburg, MD
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in December
Ruthsburg, MD
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Ruthsburg, MD
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Ruthsburg, MD
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ruthsburg, MD
- Average daylight in December: 9h and 30min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Ruthsburg, MD
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Ruthsburg, 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 and December (UV index 2).
Average cloud cover in December
Ruthsburg, MD
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Ruthsburg, MD
- 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).
