December weather forecast
Monterey, VA

Share

Weather in December

December, the first month of the winter in Monterey, is still a cold month, with an average temperature fluctuating between 25.7°F (-3.5°C) and 37.6°F (3.1°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from a chilly 45.7°F (7.6°C) in November to an icy 37.6°F (3.1°C). In December, in Monterey, the average low-temperature is a freezing cold 25.7°F (-3.5°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Monterey, in December, it is raining for 8.5 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 153.4 rainfall days, and 23.23" (590mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Monterey, in December, snow falls for 14.8 days, with typically accumulated 5.63" (143mm) of snow. In Monterey, during the entire year, snow falls for 80.8 days and aggregates up to 36.5" (927mm) of snow.

Daylight

December has the shortest days of the year in Monterey, with an average of 9h and 30min of daylight.
On the first day of December in Monterey, sunrise is at 7:17 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:07 pm EST.

Sunshine

The average sunshine in December is 3.8h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In December, the average high-temperature and low-temperature are 37.6°F (3.1°C) and 25.7°F (-3.5°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 85%.

How many days does it rain in December?

In Monterey, in December, during 8.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

How much does it snow in December?

In Monterey, in December, during 14.8 snowfall days, 5.63" (143mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 32min.

When is the sunrise / sunset in December in Monterey?

On the first day of December, sunrise is at 7:17 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:07 pm EST.

How many hours of sunshine does Monterey have in December?

In Monterey, the average sunshine duration in December is 3.8h.

What is the month with the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index intensity in December?

In Monterey, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe 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
Monterey, VA

Average temperature in December - Monterey, VA
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in December
Monterey, VA

Average pressure in December - Monterey, 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
Monterey, VA

Average wind speed in December - Monterey, VA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Monterey, VA

Average humidity in December - Monterey, VA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).

Average rainfall in December
Monterey, VA

Average rainfall in December - Monterey, VA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").

Average rainfall days in December
Monterey, VA

Average rainfall days in December - Monterey, VA
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in December
Monterey, VA

Average snowfall in December - Monterey, VA
  • Average snowfall in December: 5.63"

The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Monterey, VA

Average snowfall days in December - Monterey, VA
  • Average snowfall days in December: 14.8 days

The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Monterey, VA

Average daylight in December / Average sunshine in December - Monterey, VA
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Monterey, VA

Average sunshine days in December - Monterey, VA
  • Average sunshine days in December: 10.2 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).

Average UV index in December
Monterey, VA

Average UV index in December - Monterey, VA
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Monterey, VA

Average cloud cover in December - Monterey, VA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).

Average visibility in December
Monterey, VA

Average visibility in December - Monterey, VA
  • Average visibility in December: 4mi

The months with the highest visibility are April and November (5mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (4mi).

Monterey, Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location