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
A modest decline in the average high-temperature is seen during December, decreasing from a fresh 54.5°F (12.5°C) in November to a chilly 46.2°F (7.9°C). Throughout the nights in December, Swan Villas experiences an average low-temperature of 36.5°F (2.5°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Swan Villas, Maryland, during December, the rain falls for 11.1 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 157 rainfall days, and 32.91" (836mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Swan Villas, Maryland. In Swan Villas, in December, during 1.6 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Swan Villas, during the entire year, snow falls for 9.8 days and aggregates up to 3.82" (97mm) 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 the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:53 pm EST.
Sunshine
In December, the average sunshine in Swan Villas is 5.3h.UV index
The months with the lowest UV index in Swan Villas are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the average December temperature in Swan Villas?
What is the average humidity in December in Swan Villas?
How much does it rain in Swan Villas in December?
How many days does it snow in December in Swan Villas?
What is the month with the shortest days in Swan Villas?
How many hours of daylight does Swan Villas have in December?
What time are sunrise and sunset in December in Swan Villas?
How many hours of sunshine does Swan Villas have in December?
What is the month with the lowest UV index in Swan Villas?
What is the UV index reading in December in Swan Villas?
Average temperature in December
Swan Villas, MD
- Average high temperature in December: 46.2°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 (40.5°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Swan Villas, 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
Swan Villas, MD
- Average wind speed in December: 9.2mph
The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Swan Villas, 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
Swan Villas, MD
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Swan Villas, MD
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).
Average snowfall in December
Swan Villas, MD
- Average snowfall in December: 0.67"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Swan Villas, MD
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (3.2 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
Swan Villas, 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
Swan Villas, MD
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).
Average UV index in December
Swan Villas, 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
Swan Villas, MD
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Swan Villas, 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).
Swan Villas, Maryland, USA
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