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 includes a small decrease in the average high-temperature, from a frosty 48.9°F (9.4°C) to an icy 40.1°F (4.5°C). During December, Barton's temperature averages to a freezing cold 27.5°F (-2.5°C) at night.Humidity
The average relative humidity in December is 81%.Rainfall
In Barton, Maryland, in December, during 13.8 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Barton, during the entire year, the rain falls for 184.1 days and collects up to 30.75" (781mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Barton, Maryland, in December, during 9.1 snowfall days, 3.31" (84mm) of snow is typically accumulated. In Barton, during the entire year, snow falls for 45.5 days and aggregates up to 20.67" (525mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:02 pm EST.
Sunshine
The average sunshine in December in Barton is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. 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. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Barton in December?
What is the average humidity in December in Barton?
How many days does it rain in December in Barton?
How much does it snow in Barton in December?
What is the month with the shortest days in Barton?
What is the average length of the day in December in Barton?
What time are sunrise and sunset in December in Barton?
How long on average sun shines in December in Barton?
When is the lowest UV index in Barton?
How high is the UV index in December in Barton?
Average temperature in December
Barton, MD
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Barton, 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
Barton, MD
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Barton, MD
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June and July (76%).
Average rainfall in December
Barton, MD
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.89").
Average rainfall days in December
Barton, MD
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in December
Barton, MD
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Barton, MD
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Barton, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Barton, MD
- Average sunshine days in December: 11 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in December
Barton, MD
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Barton, MD
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Barton, MD
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Barton, Maryland, USA
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