December weather forecast
Joplin, VA

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Weather in December

The first month of the winter, December, is still a chilly month in Joplin, Virginia, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 33.6°F (0.9°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a fresh 55.2°F (12.9°C) in November to a chilly 46.9°F (8.3°C). December nights cool down to an average low-temperature of 33.6°F (0.9°C).

Humidity

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

Rainfall

In Joplin, during December, the rain falls for 10.4 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 155.6 rainfall days, and 31.61" (803mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Joplin, in December, snow falls for 1.8 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, there are 13.5 snowfall days, and 8.23" (209mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:08 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:58 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

In Joplin, 46.9°F (8.3°C) is the average high-temperature and 33.6°F (0.9°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 98.6°F (37°C).

What is the most humid month?

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

What is the average humidity in December?

In December, the average relative humidity is 78%.

How much does it rain in December?

In December, the rain falls for 10.4 days. Throughout December, 2.6" (66mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 1.8 days. Throughout December, 1.34" (34mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

In Joplin, the average day length in December is 9h and 32min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:58 pm EST.

What are the months with the least sunshine in Joplin?

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

How long on average sun shines in December?

In December, the average sunshine duration is 5.1h.

What are the months with the lowest UV index?

January, February, November 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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Joplin, VA

Average temperature in December - Joplin, VA
  • Average high temperature in December: 46.9°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 33.6°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure in December
Joplin, VA

Average pressure in December - Joplin, 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
Joplin, VA

Average wind speed in December - Joplin, VA
  • Average wind speed in December: 6.1mph

The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Joplin, VA

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

The months with the highest relative humidity are October and December (78%).
The months with the lowest relative humidity are January, April and July (73%).

Average rainfall in December
Joplin, VA

Average rainfall in December - Joplin, VA
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in December
Joplin, VA

Average rainfall days in December - Joplin, VA
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Joplin, VA

Average snowfall in December - Joplin, VA
  • Average snowfall in December: 1.34"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Joplin, VA

Average snowfall days in December - Joplin, VA
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is January (4.9 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
Joplin, VA

Average daylight in December / Average sunshine in December - Joplin, 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: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in December
Joplin, VA

Average sunshine days in December - Joplin, VA
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in December
Joplin, VA

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

Average cloud cover in December
Joplin, VA

Average cloud cover in December - Joplin, VA
  • Average cloud cover in December: 46

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Joplin, VA

Average visibility in December - Joplin, 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).

Joplin, Virginia, USA

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