December weather forecast
Lake Monticello, VA

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Weather in December

December, the first month of the winter in Lake Monticello, is also a frosty month, with an average temperature fluctuating between 47.8°F (8.8°C) and 32.9°F (0.5°C).

Temperature

December ushers in a minute temperature change, with average high-temperatures reducing from November's refreshing 55.9°F (13.3°C) to a chilly 47.8°F (8.8°C). During December, the nighttime temperature in Lake Monticello averages of 32.9°F (0.5°C).

Humidity

With an average relative humidity of 77%, December is the most humid month.

Rainfall

In Lake Monticello, in December, during 9.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 142.4 rainfall days, and 25.51" (648mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Lake Monticello. In December, it is snowing for 1.5 days. Throughout December, 1.5" (38mm) of snow is accumulated. Throughout the year, there are 11.9 snowfall days, and 8.74" (222mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:10 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:04 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, November 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 radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

During December, Lake Monticello experiences an average high-temperature of 47.8°F (8.8°C) and a low-temperature of 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 98.6°F (37°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 77%.

What is the average humidity in December?

The average relative humidity in December in Lake Monticello is 77%.

How many days does it rain in December?

In December, the rain falls for 9.4 days. Throughout December, 2.32" (59mm) of precipitation is accumulated.

How much does it snow in December?

In Lake Monticello, in December, snow falls for 1.5 days, with typically accumulated 1.5" (38mm) of snow.

What is the month with the shortest days in Lake Monticello?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Lake Monticello have in December?

The average day length in December is 9h and 35min.

When is the sunrise / sunset in December in Lake Monticello?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:04 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.4h of sunshine.

How many hours of sunshine does Lake Monticello have in December?

In Lake Monticello, the average sunshine duration in December is 5.4h.

What is the month with the lowest UV index?

The months with the lowest UV index in Lake Monticello are January, November and December, with an average maximum UV index of 2.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lake Monticello, VA

Average temperature in December - Lake Monticello, VA
  • Average high temperature in December: 47.8°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 (43°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
Lake Monticello, VA

Average pressure in December - Lake Monticello, VA
  • Average pressure in December: 30.12"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
Lake Monticello, VA

Average wind speed in December - Lake Monticello, VA
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Lake Monticello, VA

Average humidity in December - Lake Monticello, 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 (69%).

Average rainfall in December
Lake Monticello, VA

Average rainfall in December - Lake Monticello, VA
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December
Lake Monticello, VA

Average rainfall days in December - Lake Monticello, VA
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in December
Lake Monticello, VA

Average snowfall in December - Lake Monticello, VA
  • Average snowfall in December: 1.5"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Lake Monticello, VA

Average snowfall days in December - Lake Monticello, VA
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (3.8 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
Lake Monticello, VA

Average daylight in December / Average sunshine in December - Lake Monticello, VA
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Lake Monticello, VA

Average sunshine days in December - Lake Monticello, VA
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (13.1 days).

Average UV index in December
Lake Monticello, VA

Average UV index in December - Lake Monticello, 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, November and December (UV index 2).

Average cloud cover in December
Lake Monticello, VA

Average cloud cover in December - Lake Monticello, VA
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Lake Monticello, VA

Average visibility in December - Lake Monticello, VA
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are May, September and December (5mi).

Lake Monticello, Virginia, USA

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