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
Longwoods experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a fresh 54.5°F (12.5°C) in November to a chilly 46.8°F (8.2°C). During the nights in December, Longwoods experiences a consistent average temperature of 36.1°F (2.3°C).Humidity
The average relative humidity in December is 76%.Rainfall
In December, the rain falls for 8.6 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Longwoods, during the entire year, the rain falls for 130 days and collects up to 15.04" (382mm) of precipitation.Snowfall
Months with snowfall in Longwoods are January through April, November and December. In Longwoods, Maryland, in December, snow falls for 1.5 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, there are 9.4 snowfall days, and 1.85" (47mm) of snow is accumulated.Daylight
The month with the shortest days in Longwoods is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:52 pm EST.
Sunshine
In Longwoods, Maryland, the average sunshine in December is 5.3h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Longwoods. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the average December temperature in Longwoods?
What is the average humidity in December in Longwoods?
How much does it rain in Longwoods in December?
How many days does it snow in December in Longwoods?
What is the month with the shortest days in Longwoods?
What is the average length of the day in December in Longwoods?
When are sunrise and sunset in December in Longwoods?
How long on average sun shines in December in Longwoods?
What are the months with the lowest UV index in Longwoods?
What is the UV index intensity in December in Longwoods?
Average temperature in December
Longwoods, MD
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Longwoods, 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
Longwoods, MD
- Average wind speed in December: 8.9mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Longwoods, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in December
Longwoods, MD
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Longwoods, MD
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Longwoods, MD
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Longwoods, MD
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3 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
Longwoods, MD
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Longwoods, MD
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (13 days).
Average UV index in December
Longwoods, 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
Longwoods, MD
- Average cloud cover in December: 44
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
Longwoods, 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).
Longwoods, Maryland, USA
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