December weather forecastMarengo, VA
December
Weather in December
The first month of the winter, December, is also a fresh month in Marengo, Virginia, with an average temperature ranging between max 50.2°F (10.1°C) and min 36.3°F (2.4°C).Temperature
As December arrives, Marengo's weather displays a minor decrease in high-temperatures, transitioning from November's refreshing 57.6°F (14.2°C) to a cool 50.2°F (10.1°C). Marengo experiences an average low-temperature of 36.3°F (2.4°C) in month of December.Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In Marengo, in December, it is raining for 11.2 days, with typically 2.76" (70mm) of accumulated precipitation. In Marengo, Virginia, during the entire year, the rain falls for 159.5 days and collects up to 30.39" (772mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Marengo, during December, snow falls for 1 days and regularly aggregates up to 1.14" (29mm) of snow. In Marengo, during the entire year, snow falls for 8.8 days and aggregates up to 7.13" (181mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.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, 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 low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 42min
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 24min
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).
