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
December heralds a minor drop in average high-temperature, sliding from November's fresh 51.4°F (10.8°C) to a chilly 43.5°F (6.4°C). Throughout December, an average nighttime temperature of 28.9°F (-1.7°C) is experienced.Humidity
In Lacey Spring, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 9 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. In Lacey Spring, during the entire year, the rain falls for 155 days and collects up to 23.23" (590mm) of precipitation.Snowfall
Months with snowfall in Lacey Spring, Virginia, are January through April, October through December. In Lacey Spring, during December, snow falls for 3 days and regularly aggregates up to 1.89" (48mm) of snow. In Lacey Spring, Virginia, during the entire year, snow falls for 20.5 days and aggregates up to 10.91" (277mm) 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 7:14 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:04 pm EST.
Sunshine
December has the least sunshine of the year in Lacey Spring, with an average of 5.1h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lacey Spring, Virginia. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lacey Spring have in December?
When is the sunrise / sunset in December in Lacey Spring?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Lacey Spring, VA
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Lacey Spring, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Lacey Spring, VA
- Average wind speed in December: 5.7mph
The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Lacey Spring, VA
- Average humidity in December: 78%
The months with the highest relative humidity are September and October (79%).
The months with the lowest relative humidity are January, April, June, July and November (75%).
Average rainfall in December
Lacey Spring, VA
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Lacey Spring, VA
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Lacey Spring, VA
- Average snowfall in December: 1.89"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lacey Spring, VA
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lacey Spring, VA
- 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Lacey Spring, VA
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Lacey Spring, VA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Lacey Spring, VA
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Lacey Spring, VA
- Average visibility in December: 5mi
The months with the highest visibility are February, April, June, July and November (6mi).
The months with the lowest visibility are January, March, May, August, September, October and December (5mi).
Lacey Spring, Virginia, USA
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