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 transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a cool 51.8°F (11°C) in November to a chilly 43.3°F (6.3°C). Centennial Homestead experiences a steady low-temperature of 31.3°F (-0.4°C) throughout December.Humidity
In Centennial Homestead, the average relative humidity in December is 78%.Rainfall
In Centennial Homestead, in December, it is raining for 10.2 days, with typically 2.44" (62mm) of accumulated precipitation. In Centennial Homestead, during the entire year, the rain falls for 159.1 days and collects up to 31.54" (801mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Centennial Homestead, during December, snow falls for 3.9 days and regularly aggregates up to 1.69" (43mm) of snow. Throughout the year, in Centennial Homestead, Maryland, there are 21.2 snowfall days, and 10.55" (268mm) of snow is accumulated.Daylight
The month with the shortest days in Centennial Homestead is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Centennial Homestead are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Stay sun-safe with clothing that is both closely woven and worn loosely. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
Is December cold in Centennial Homestead?
What is the average humidity in December in Centennial Homestead?
How much does it rain in Centennial Homestead in December?
How many days does it snow in December in Centennial Homestead?
What is the month with the shortest days in Centennial Homestead?
What is the average length of the day in December in Centennial Homestead?
When is the sunrise / sunset in December in Centennial Homestead?
How long on average sun shines in December in Centennial Homestead?
What are the months with the lowest UV index in Centennial Homestead?
What is the UV index reading in December in Centennial Homestead?
Average temperature in December
Centennial Homestead, MD
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Centennial Homestead, 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 (29.94"Hg).
Average wind speed in December
Centennial Homestead, MD
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Centennial Homestead, MD
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).
Average rainfall in December
Centennial Homestead, MD
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in December
Centennial Homestead, MD
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Centennial Homestead, MD
- Average snowfall in December: 1.69"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Centennial Homestead, MD
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Centennial Homestead, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Centennial Homestead, MD
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Centennial Homestead, 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
Centennial Homestead, MD
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Centennial Homestead, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Centennial Homestead, Maryland, USA
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