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 transition into December indicates a reduction in the average high-temperature, down to a chilly 43.9°F (6.6°C) from November's cool 52.9°F (11.6°C). Valley View temperatures generally rest at a low of 33.1°F (0.6°C) during the December nights.Humidity
In Valley View, the average relative humidity in December is 77%.Rainfall
In December, in Valley View, the rain falls for 7 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Valley View, Maryland, there are 102.3 rainfall days, and 9.25" (235mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Valley View. In Valley View, Maryland, in December, snow falls for 2 days, with typically accumulated 0.24" (6mm) of snow. In Valley View, during the entire year, snow falls for 12.1 days and aggregates up to 1.81" (46mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of December, in Valley View, sunrise is at 7:26 am and sunset at 4:54 pm EST.
Sunshine
In Valley View, the average sunshine in December is 5h.UV index
The months with the lowest UV index in Valley View are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is December cold in Valley View?
What is the average humidity in December in Valley View?
How much does it rain in Valley View in December?
How much does it snow in Valley View in December?
What is the month with the shortest days in Valley View?
What is the average length of the day in December in Valley View?
When is the sunrise / sunset in December in Valley View?
How long on average sun shines in December in Valley View?
What are the months with the lowest UV index in Valley View?
What is the UV index intensity in December in Valley View?
Average temperature in December
Valley View, MD
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Valley View, 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
Valley View, MD
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Valley View, MD
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Valley View, MD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Valley View, MD
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in December
Valley View, MD
- Average snowfall in December: 0.24"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Valley View, MD
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (3.8 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
Valley View, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Valley View, MD
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in December
Valley View, 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
Valley View, 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
Valley View, 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 View, Maryland, USA
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