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
December ushers in a minor alteration in Valley Lee's climate, with the average high-temperature moving from November's cool 55°F (12.8°C) to a frosty 47.3°F (8.5°C). During December nights, Valley Lee witnesses a consistent average temperature of 38.1°F (3.4°C).Humidity
In December, the average relative humidity in Valley Lee, Maryland, is 76%.Rainfall
In Valley Lee, during December, the rain falls for 8.8 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, in Valley Lee, there are 147.5 rainfall days, and 20.16" (512mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Valley Lee, in December, during 0.8 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Valley Lee, during the entire year, snow falls for 6 days and aggregates up to 1.42" (36mm) of snow.Daylight
The month with the shortest days in Valley Lee is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:56 pm EST.
Sunshine
In Valley Lee, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index in Valley Lee are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are December temperatures in Valley Lee?
What is the average humidity in December in Valley Lee?
How many days does it rain in December in Valley Lee?
How much does it snow in Valley Lee in December?
What is the month with the shortest days in Valley Lee?
What is the average length of the day in December in Valley Lee?
When are sunrise and sunset in December in Valley Lee?
How many hours of sunshine does Valley Lee have in December?
When is the lowest UV index in Valley Lee?
What is the UV index reading in December in Valley Lee?
Average temperature in December
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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
Valley Lee, 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).
Valley Lee, Maryland, USA
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