December weather forecastHazelwood, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Hazelwood, Maryland, with an average temperature ranging between min 36.5°F (2.5°C) and max 46°F (7.8°C).Temperature
Hazelwood's progression into December involves a minor drop in the average high-temperature, slightly receding from a cool 54.5°F (12.5°C) in November to a chilly 46°F (7.8°C). During December, Hazelwood's temperature averages to an icy 36.5°F (2.5°C) at night.Humidity
In December, the average relative humidity is 75%.Rainfall
In Hazelwood, in December, during 7.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Hazelwood, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Hazelwood, during December, snow falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of snow. In Hazelwood, during the entire year, snow falls for 8.3 days and aggregates up to 1.22" (31mm) 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 7:06 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hazelwood, MD
- Average high temperature in December: 46°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 (40.3°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Hazelwood, 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
Hazelwood, MD
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Hazelwood, MD
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in December
Hazelwood, MD
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Hazelwood, MD
- Average rainfall days in December: 7.4 days
The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in December
Hazelwood, MD
- Average snowfall in December: 0.12"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hazelwood, MD
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.5 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
Hazelwood, MD
- Average daylight in December: 9h and 30min
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 12min
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
Hazelwood, MD
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).
Average UV index in December
Hazelwood, 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 and December (UV index 2).
Average cloud cover in December
Hazelwood, MD
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Hazelwood, 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).
