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 brings a slight decrease in the average high-temperature, shifting from a cool 55.2°F (12.9°C) in November to a frosty 47.1°F (8.4°C). An average low-temperature of 37.8°F (3.2°C) is noted during the nights in December.Humidity
In December, the average relative humidity is 76%.Rainfall
In Lusby, Maryland, during December, the rain falls for 10.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Lusby, during the entire year, the rain falls for 160.6 days and collects up to 34.49" (876mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Lusby. In Lusby, Maryland, during December, snow falls for 1.7 days and regularly aggregates up to 0.94" (24mm) of snow. In Lusby, during the entire year, snow falls for 9.6 days and aggregates up to 5.28" (134mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:04 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:55 pm EST.
Sunshine
In Lusby, Maryland, the average sunshine in December is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Lusby have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Lusby, MD
- Average high temperature in December: 47.1°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 (41.7°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Lusby, 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
Lusby, MD
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Lusby, 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, March and November (73%).
Average rainfall in December
Lusby, MD
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Lusby, MD
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Lusby, MD
- Average snowfall in December: 0.94"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lusby, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.5 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
Lusby, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Lusby, MD
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is August (10.7 days).
Average UV index in December
Lusby, 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
Lusby, MD
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Lusby, 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).
Lusby, Maryland, USA
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