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 sea temperature 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's onset brings a negligible change in high-temperatures, falling from a cool 53.2°F (11.8°C) in November to a frosty 44.8°F (7.1°C). Throughout December, an average low-temperature of 33.8°F (1°C) is expected.Humidity
In December, the average relative humidity is 76%.Rainfall
In Essex, in December, it is raining for 7.7 days, with typically 0.87" (22mm) of accumulated precipitation. In Essex, during the entire year, the rain falls for 127.2 days and collects up to 12.32" (313mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.8 snowfall days, it receives 0.2" (5mm) of snow. In Essex, during the entire year, snow falls for 10.1 days and aggregates up to 1.77" (45mm) of snow.Ocean temperature
In December, the average ocean temperature is 50.5°F (10.3°C).Note: It is risky to swim in 50.5°F (10.3°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.
Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Essex.On the first day of the month, sunrise is at 7:07 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
The months with the lowest UV index in Essex are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December in Essex?
How much does it rain in December?
When does it start snowing?
How cold is the water in December?
What is the month with the shortest days?
How many hours of daylight does Essex have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Essex have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Essex, MD
- Average high temperature in December: 44.8°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 (38.5°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Essex, 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
Essex, MD
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Essex, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are March, April and November (73%).
Average rainfall in December
Essex, MD
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Essex, MD
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in December
Essex, MD
- Average snowfall in December: 0.2"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Essex, MD
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Essex, MD
- Average sea temperature in December: 50.6°F
The best month for swimming (with the highest average sea temperature) is August (77.2°F).
The coldest month (with the lowest average sea temperature) is February (43.7°F).
Average daylight in December /
Average sunshine in December
Essex, MD
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Essex, MD
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
Essex, 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, February, November and December (UV index 2).
Average cloud cover in December
Essex, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Essex, 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).
Essex, Maryland, USA
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