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 commencement of December indicates a gentle shift in the average high-temperature, receding from November's mild 55.9°F (13.3°C) to a chilly 48.6°F (9.2°C). Girdletree sees an average low-temperature of 38.3°F (3.5°C) during December.Humidity
In December, the average relative humidity is 77%.Rainfall
In Girdletree, during December, the rain falls for 10.3 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Girdletree, during the entire year, the rain falls for 131.3 days and collects up to 14.88" (378mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Girdletree, Maryland, during December, snow falls for 1.7 days and regularly aggregates up to 0.24" (6mm) of snow. In Girdletree, during the entire year, snow falls for 9.3 days and aggregates up to 1.3" (33mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:52 pm EST.
Sunshine
In December, the average sunshine is 5.4h.UV index
January 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 unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Girdletree in December?
What is the average humidity in December?
How many days 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?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December in Girdletree?
Average temperature in December
Girdletree, MD
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in December
Girdletree, MD
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Girdletree, MD
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in December
Girdletree, MD
- Average humidity in December: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is January (74%).
Average rainfall in December
Girdletree, MD
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Girdletree, MD
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Girdletree, MD
- Average snowfall in December: 0.24"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Girdletree, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (2.9 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
Girdletree, MD
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Girdletree, MD
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in December
Girdletree, 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
Girdletree, MD
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
Girdletree, 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).
Girdletree, Maryland, USA
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