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
In December, the average high-temperature marginally decreases from a cool 54.5°F (12.5°C) in November to a frosty 46.2°F (7.9°C). Rolles Beach's average low-temperature in the month of December is recorded at a cold 36.5°F (2.5°C).Humidity
In December, the average relative humidity is 76%.Rainfall
In Rolles Beach, in December, it is raining for 11.1 days, with typically 2.91" (74mm) of accumulated 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 Rolles Beach. In Rolles Beach, in December, snow falls for 1.6 days, with typically accumulated 0.67" (17mm) of snow. In Rolles Beach, during the entire year, snow falls for 9.8 days and aggregates up to 3.82" (97mm) of snow.Daylight
The month with the shortest days in Rolles Beach is December, with an average of 9h and 30min of daylight.On the first day of December in Rolles Beach, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:53 pm EST.
Sunshine
In Rolles Beach, Maryland, the average sunshine in December is 5.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Rolles Beach. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Enhance your sun protection with tightly woven, yet airy clothing. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average December temperature in Rolles Beach?
What is the average humidity in December in Rolles Beach?
How many days does it rain in December in Rolles Beach?
How many days does it snow in December in Rolles Beach?
What is the month with the shortest days in Rolles Beach?
What is the average length of the day in December in Rolles Beach?
When is the sunrise / sunset in December in Rolles Beach?
How many hours of sunshine does Rolles Beach have in December?
What is the month with the lowest UV index in Rolles Beach?
What is the UV index intensity in December in Rolles Beach?
Average temperature in December
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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
Rolles Beach, 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).
Rolles Beach, Maryland, USA
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