December weather forecast
Diamond Grove, VA

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Weather in December

The first month of the winter, December, is still a cool month in Diamond Grove, Virginia, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 36.5°F (2.5°C).

Temperature

December witnesses a gentle descent in average high-temperature, descending from November's mild 57.7°F (14.3°C) to a cool 50.5°F (10.3°C). During December, the nighttime temperature in Diamond Grove, Virginia, averages to an icy 36.5°F (2.5°C).

Humidity

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

Rainfall

In Diamond Grove, in December, during 10.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Diamond Grove, Virginia, during the entire year, the rain falls for 146.6 days and collects up to 20.91" (531mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Diamond Grove, during December, snow falls for 0.7 days and regularly aggregates up to 0.43" (11mm) of snow. In Diamond Grove, during the entire year, snow falls for 6.5 days and aggregates up to 3.31" (84mm) of snow.

Daylight

The month with the shortest days in Diamond Grove 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 4:55 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:06 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.5h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

December temperatures in Diamond Grove vary between a high-temperature of 50.5°F (10.3°C) and a low-temperature of 36.5°F (2.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the most humid month in Diamond Grove?

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

What is the average humidity in December?

In December, the average relative humidity is 78%.

How many days does it rain in December in Diamond Grove?

In December, in Diamond Grove, the rain falls for 10.5 days. Throughout December, 1.69" (43mm) of precipitation is accumulated.

How many days does it snow in December?

In Diamond Grove, in December, snow falls for 0.7 days, with typically accumulated 0.43" (11mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 42min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:06 pm EST.

What is the month with the least sunshine in Diamond Grove?

With an average of 5.5h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

In December, the average sunshine duration is 5.5h.

When is the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Diamond Grove, VA

Average temperature in December - Diamond Grove, VA
  • Average high temperature in December: 50.5°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 (46°F).

  • Average low temperature in December: 36.5°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
Diamond Grove, VA

Average pressure in December - Diamond Grove, VA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Diamond Grove, VA

Average wind speed in December - Diamond Grove, VA
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Diamond Grove, VA

Average humidity in December - Diamond Grove, 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 July (72%).

Average rainfall in December
Diamond Grove, VA

Average rainfall in December - Diamond Grove, VA
  • Average rainfall in December: 1.69"

The wettest months (with the highest rainfall) are May and August (2.05").
The driest month (with the least rainfall) is October (1.1").

Average rainfall days in December
Diamond Grove, VA

Average rainfall days in December - Diamond Grove, VA
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is October (8.3 days).

Average snowfall in December
Diamond Grove, VA

Average snowfall in December - Diamond Grove, VA
  • Average snowfall in December: 0.43"

The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Diamond Grove, VA

Average snowfall days in December - Diamond Grove, VA
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (2.7 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
Diamond Grove, VA

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

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 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Diamond Grove, VA

Average sunshine days in December - Diamond Grove, VA
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in December
Diamond Grove, VA

Average UV index in December - Diamond Grove, 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
Diamond Grove, VA

Average cloud cover in December - Diamond Grove, 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 31).

Average visibility in December
Diamond Grove, VA

Average visibility in December - Diamond Grove, VA
  • Average visibility in December: 6mi

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

Diamond Grove, Virginia, USA

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