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 arrival of December suggests a slight decrease in the average high-temperature, moving from a fresh 51.8°F (11°C) in November to a frosty 43.3°F (6.3°C). Ricketts Ridge records a steady low-temperature average of 31.3°F (-0.4°C) during December.Humidity
In December, the average relative humidity is 78%.Rainfall
In Ricketts Ridge, in December, it is raining for 10.2 days, with typically 2.44" (62mm) of accumulated precipitation. In Ricketts Ridge, Maryland, during the entire year, the rain falls for 159.1 days and collects up to 31.54" (801mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Ricketts Ridge. In Ricketts Ridge, during December, snow falls for 3.9 days and regularly aggregates up to 1.69" (43mm) of snow. In Ricketts Ridge, Maryland, during the entire year, snow falls for 21.2 days and aggregates up to 10.55" (268mm) of snow.Daylight
December has the shortest days of the year in Ricketts Ridge, Maryland, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:44 pm. On the last day of December, in Ricketts Ridge, Maryland, sunrise is at 7:27 am and sunset at 4:54 pm EST.
Sunshine
In Ricketts Ridge, the average sunshine in December is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Ricketts Ridge. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is December in Ricketts Ridge?
What is the average humidity in December in Ricketts Ridge?
How many days does it rain in December in Ricketts Ridge?
How much does it snow in Ricketts Ridge in December?
What is the month with the shortest days in Ricketts Ridge?
How many hours of daylight does Ricketts Ridge have in December?
When is the sunrise / sunset in December in Ricketts Ridge?
How many hours of sunshine does Ricketts Ridge have in December?
What is the month with the lowest UV index in Ricketts Ridge?
How high is the UV index in December in Ricketts Ridge?
Average temperature in December
Ricketts Ridge, MD
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 31.3°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 (24.8°F).
Average pressure in December
Ricketts Ridge, 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 (29.94"Hg).
Average wind speed in December
Ricketts Ridge, MD
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Ricketts Ridge, MD
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).
Average rainfall in December
Ricketts Ridge, MD
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in December
Ricketts Ridge, MD
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Ricketts Ridge, MD
- Average snowfall in December: 1.69"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Ricketts Ridge, MD
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ricketts Ridge, MD
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Ricketts Ridge, MD
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Ricketts 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, February, November and December (UV index 2).
Average cloud cover in December
Ricketts Ridge, MD
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Ricketts Ridge, 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).
Ricketts Ridge, Maryland, USA
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