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
In the transition to December, Highfield-Cascade observes a drop in the average high-temperature, moving from a cool 50.2°F (10.1°C) in November to an icy 41.2°F (5.1°C). Highfield-Cascade, in December, experiences an average temperature of 29.1°F (-1.6°C) at night.Humidity
In Highfield-Cascade, Maryland, the average relative humidity in December is 79%.Rainfall
In Highfield-Cascade, in December, during 10.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Highfield-Cascade, during the entire year, the rain falls for 158.5 days and collects up to 31.3" (795mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Highfield-Cascade, Maryland, in December, during 6.1 snowfall days, 2.99" (76mm) of snow is typically accumulated. In Highfield-Cascade, during the entire year, snow falls for 33 days and aggregates up to 22.44" (570mm) of snow.Daylight
The month with the shortest days in Highfield-Cascade is December, with an average of 9h and 24min of daylight.On the first day of December in Highfield-Cascade, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:55 pm EST.
Sunshine
The average sunshine in December in Highfield-Cascade is 4.7h.UV index
The months with the lowest UV index in Highfield-Cascade are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
Is it cold in Highfield-Cascade during December?
What is the average humidity in December in Highfield-Cascade?
How much does it rain in Highfield-Cascade in December?
How much does it snow in Highfield-Cascade in December?
What is the month with the shortest days in Highfield-Cascade?
How many hours of daylight does Highfield-Cascade have in December?
What time are sunrise and sunset in December in Highfield-Cascade?
How long on average sun shines in December in Highfield-Cascade?
What are the months with the lowest UV index in Highfield-Cascade?
How high is the UV index in December in Highfield-Cascade?
Average temperature in December
Highfield-Cascade, MD
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Highfield-Cascade, 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 (29.95"Hg).
Average wind speed in December
Highfield-Cascade, MD
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Highfield-Cascade, MD
- Average humidity in December: 79%
The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Highfield-Cascade, MD
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Highfield-Cascade, MD
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Highfield-Cascade, MD
- Average snowfall in December: 2.99"
The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Highfield-Cascade, MD
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.6 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
Highfield-Cascade, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Highfield-Cascade, MD
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Highfield-Cascade, MD
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Highfield-Cascade, MD
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Highfield-Cascade, MD
- Average visibility in December: 5mi
The months with the highest visibility are April, June and July (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October, November and December (5mi).
Highfield-Cascade, Maryland, USA
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