December weather forecast
Montross, VA

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Weather in December

The first month of the winter, December, is also a frosty month in Montross, Virginia, with an average temperature fluctuating between 35.1°F (1.7°C) and 47.5°F (8.6°C).

Temperature

December witnesses a gentle descent in average high-temperature, descending from November's refreshing 55.8°F (13.2°C) to a chilly 47.5°F (8.6°C). Montross observes an average low-temperature of 35.1°F (1.7°C) during December nights.

Humidity

May and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Montross, during December, the rain falls for 10.7 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Montross, during the entire year, the rain falls for 158.1 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Montross. In December, in Montross, it is snowing for 2 days. Throughout December, 1.26" (32mm) of snow is accumulated. In Montross, Virginia, during the entire year, snow falls for 12 days and aggregates up to 6.73" (171mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:47 pm. On the last day of December, in Montross, sunrise is at 7:23 am and sunset at 4:57 pm EST.

Sunshine

February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Montross, Virginia.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Montross. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Montross?

The high-temperature, in December, in Montross, is 47.5°F (8.6°C), while the low-temperature averages to 35.1°F (1.7°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 95°F (35°C).

What is the most humid month in Montross?

May and December, with an average relative humidity of 78%, are most humid months in Montross, Virginia.

What is the average humidity in December in Montross?

The average relative humidity in December is 78%.

How much does it rain in Montross in December?

In December, in Montross, Virginia, the rain falls for 10.7 days. Throughout December, 2.44" (62mm) of precipitation is accumulated.

How much does it snow in Montross in December?

In Montross, in December, snow falls for 2 days, with typically accumulated 1.26" (32mm) of snow.

What is the month with the shortest days in Montross?

December has the shortest days of the year in Montross, Virginia, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Montross?

In December, the average day length is 9h and 34min.

What time are sunrise and sunset in December in Montross?

On the first day of December in Montross, Virginia, sunrise is at 7:05 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:57 pm EST.

What is the month with the least sunshine in Montross?

The months with the least sunshine in Montross are February and December, with an average of 5.1h of sunshine.

How many hours of sunshine does Montross have in December?

In Montross, Virginia, the average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Montross?

The months with the lowest UV index in Montross are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December in Montross?

The average daily maximum UV index in December in Montross, Virginia, is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
Montross, VA

Average temperature in December - Montross, VA
  • Average high temperature in December: 47.5°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in December: 35.1°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 (28.8°F).

Average pressure in December
Montross, VA

Average pressure in December - Montross, VA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Montross, VA

Average wind speed in December - Montross, VA
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Montross, VA

Average humidity in December - Montross, VA
  • Average humidity in December: 78%

The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
Montross, VA

Average rainfall in December - Montross, VA
  • Average rainfall in December: 2.44"

The wettest months (with the highest rainfall) are July and August (3.19").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Montross, VA

Average rainfall days in December - Montross, VA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in December
Montross, VA

Average snowfall in December - Montross, VA
  • Average snowfall in December: 1.26"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Montross, VA

Average snowfall days in December - Montross, VA
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is January (4 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
Montross, VA

Average daylight in December / Average sunshine in December - Montross, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in December
Montross, VA

Average sunshine days in December - Montross, VA
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in December
Montross, VA

Average UV index in December - Montross, 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
Montross, VA

Average cloud cover in December - Montross, VA
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Montross, VA

Average visibility in December - Montross, VA
  • Average visibility in December: 6mi

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

Montross, Virginia, USA

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