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
Marengo's weather subtly changes with the onset of December, barely falling from a mild 57.6°F (14.2°C) in November to a fresh 50.2°F (10.1°C). Marengo in December anticipates an average nighttime temperature of 36.3°F (2.4°C).Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
In Marengo, Virginia, during December, the rain falls for 11.2 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, in Marengo, there are 159.5 rainfall days, and 30.39" (772mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Marengo, in December, during 1 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 8.8 snowfall days, and 7.13" (181mm) of snow is accumulated.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
December has the least sunshine of the year in Marengo, with an average of 5.4h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are December temperatures in Marengo?
What is the most humid month in Marengo?
What is the average humidity in December in Marengo?
How many days does it rain in December in Marengo?
How much does it snow in Marengo in December?
What is the month with the shortest days in Marengo?
How many hours of daylight does Marengo have in December?
When are sunrise and sunset in December in Marengo?
What is the month with the least sunshine in Marengo?
How many hours of sunshine does Marengo have in December?
When is the lowest UV index in Marengo?
What is the UV index intensity in December in Marengo?
Average temperature in December
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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
Marengo, 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).
Marengo, Virginia, USA
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