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 shift from November to December coincides with a small decrease in the average high-temperature, down to a chilly 46°F (7.8°C) from a cool 54.5°F (12.5°C). The mean low-temperature during December nights in Collison Corner is a cold 36.5°F (2.5°C).Humidity
In Collison Corner, Maryland, the average relative humidity in December is 75%.Rainfall
In Collison Corner, during December, the rain falls for 7.4 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Collison Corner, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.Snowfall
Months with snowfall in Collison Corner, Maryland, are January through March, November and December. In Collison Corner, during December, snow falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of snow. In Collison Corner, during the entire year, snow falls for 8.3 days and aggregates up to 1.22" (31mm) 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 7:06 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:54 pm EST.
Sunshine
In Collison Corner, the average sunshine in December is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are December temperatures in Collison Corner?
What is the average humidity in December in Collison Corner?
How much does it rain in Collison Corner in December?
How many days does it snow in December in Collison Corner?
What is the month with the shortest days in Collison Corner?
What is the average length of the day in December in Collison Corner?
When is the sunrise / sunset in December in Collison Corner?
How long on average sun shines in December in Collison Corner?
What are the months with the lowest UV index in Collison Corner?
What is the UV index reading in December in Collison Corner?
Average temperature in December
Collison Corner, MD
- Average high temperature in December: 46°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 (40.3°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Collison Corner, 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 (29.94"Hg).
Average wind speed in December
Collison Corner, MD
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Collison Corner, MD
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in December
Collison Corner, MD
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Collison Corner, MD
- Average rainfall days in December: 7.4 days
The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in December
Collison Corner, MD
- Average snowfall in December: 0.12"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Collison Corner, MD
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.5 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
Collison Corner, 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 1min
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 0min).
Average sunshine days in December
Collison Corner, MD
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).
Average UV index in December
Collison Corner, 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 and December (UV index 2).
Average cloud cover in December
Collison Corner, MD
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Collison Corner, 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).
Collison Corner, Maryland, USA
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