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 ushers in a minor alteration in Merchant's climate, with the average high-temperature moving from November's refreshing 57.6°F (14.2°C) to a fresh 50.2°F (10.1°C). In the month of December, Merchant records a consistent average low-temperature of 36.3°F (2.4°C).Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
In Merchant, in December, during 11.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Merchant, during the entire year, the rain falls for 159.5 days and collects up to 30.39" (772mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Merchant, during December, snow falls for 1 days and regularly aggregates up to 1.14" (29mm) of snow. In Merchant, during the entire year, snow falls for 8.8 days and aggregates up to 7.13" (181mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:06 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:06 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Merchant in December?
What is the most humid month in Merchant?
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 Merchant have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine in Merchant?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Merchant, VA
- Average high temperature in December: 50.2°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in December: 36.3°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 (30.6°F).
Average pressure in December
Merchant, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Merchant, VA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Merchant, VA
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Merchant, VA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Merchant, VA
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Merchant, VA
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Merchant, VA
- Average snowfall days in December: 1 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
Merchant, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Merchant, VA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Merchant, VA
- 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
Merchant, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Merchant, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Merchant, Virginia, USA
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