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 arrival of December is marked by a minor reduction in average high-temperature, sliding from a moderate 55.4°F (13°C) in November to a frosty 47.3°F (8.5°C). In Monroe, December nights cool down to an average of 32.9°F (0.5°C).Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Monroe, Virginia, during December, the rain falls for 10.4 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 156.7 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Monroe, in December, during 1.9 snowfall days, 2.05" (52mm) of snow is typically accumulated. In Monroe, during the entire year, snow falls for 14.1 days and aggregates up to 10.94" (278mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:08 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine in Monroe?
How many hours of sunshine does Monroe have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Monroe, VA
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Monroe, 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 (29.97"Hg).
Average wind speed in December
Monroe, VA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Monroe, VA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Monroe, VA
- Average rainfall in December: 2.91"
The wettest months (with the highest rainfall) are April and May (3.07").
The driest months (with the least rainfall) are July and September (1.89").
Average rainfall days in December
Monroe, VA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Monroe, VA
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Monroe, VA
- Average snowfall days in December: 1.9 days
The months with the highest number of snowfall days are January and February (4.3 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
Monroe, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Monroe, VA
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Monroe, 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, February and December (UV index 2).
Average cloud cover in December
Monroe, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in December
Monroe, 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).
Monroe, Virginia, USA
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