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 results in a small decrease in the average high-temperature, moderately receding from a cool 55°F (12.8°C) in November to a chilly 47.3°F (8.5°C). Ridge witnesses an average low-temperature of 38.1°F (3.4°C) throughout the month of December.Humidity
In December, the average relative humidity is 76%.Rainfall
In Ridge, during December, the rain falls for 8.8 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 147.5 rainfall days, and 20.16" (512mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Ridge, in December, snow falls for 0.8 days, with typically accumulated 0.24" (6mm) of snow. Throughout the year, in Ridge, Maryland, there are 6 snowfall days, and 1.42" (36mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:03 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine in Ridge, Maryland, is 5.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Ridge?
What time are sunrise and sunset in December in Ridge?
How many hours of sunshine does Ridge have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Ridge, MD
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Ridge, 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 (29.95"Hg).
Average wind speed in December
Ridge, MD
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in December
Ridge, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in December
Ridge, MD
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Ridge, MD
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in December
Ridge, MD
- Average snowfall in December: 0.24"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Ridge, MD
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ridge, MD
- Average daylight in December: 9h and 4min
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: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Ridge, MD
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in December
Ridge, 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 and December (UV index 2).
Average cloud cover in December
Ridge, MD
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Ridge, 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).
Ridge, Maryland, USA
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