December weather forecast
Newtown, VA

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Weather in December

December, the first month of the winter in Newtown, is still a chilly month, with an average temperature varying between 48.4°F (9.1°C) and 36°F (2.2°C).

Temperature

December reveals a small adjustment in temperature, transitioning from an average high of a refreshing 56.1°F (13.4°C) in November to a chilly 48.4°F (9.1°C). Nighttime temperature experiences an average drop to a wintry 36°F (2.2°C) in December.

Humidity

December is the most humid month, with an average relative humidity of 78%.

Rainfall

In December, the rain falls for 11.3 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Newtown, Virginia, there are 159.5 rainfall days, and 31.42" (798mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Newtown are January through April, November and December. In Newtown, in December, snow falls for 2.4 days, with typically accumulated 1.18" (30mm) of snow. In Newtown, during the entire year, snow falls for 12 days and aggregates up to 6.89" (175mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December in Newtown, sunrise is at 7:06 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:59 pm EST.

Sunshine

The average sunshine in December is 5.2h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Newtown. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the UV index of 2 transforms into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in Newtown?

The high-temperature in Newtown during December is 48.4°F (9.1°C) and the low-temperature is 36°F (2.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 98.6°F (37°C).

What is the most humid month in Newtown?

December is the most humid month in Newtown, with an average relative humidity of 78%.

What is the average humidity in December in Newtown?

In Newtown, the average relative humidity in December is 78%.

How many days does it rain in December in Newtown?

In Newtown, Virginia, during December, the rain falls for 11.3 days and regularly aggregates up to 2.52" (64mm) of precipitation.

How many days does it snow in December in Newtown?

In Newtown, during December, snow falls for 2.4 days and regularly aggregates up to 1.18" (30mm) of snow.

What is the month with the shortest days in Newtown?

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

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

In Newtown, the average day length in December is 9h and 35min.

When are sunrise and sunset in December in Newtown?

On the first day of December, sunrise is at 7:06 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:59 pm EST.

How long on average sun shines in December in Newtown?

In December, the average sunshine duration in Newtown is 5.2h.

When is the lowest UV index in Newtown?

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

What is the UV index reading in December in Newtown?

The average daily maximum UV index in December in Newtown, Virginia, is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Newtown, VA

Average temperature in December - Newtown, VA
  • Average high temperature in December: 48.4°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in December: 36°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 (29.5°F).

Average pressure in December
Newtown, VA

Average pressure in December - Newtown, 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
Newtown, VA

Average wind speed in December - Newtown, 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 (5.5mph).

Average humidity in December
Newtown, VA

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

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).

Average rainfall in December
Newtown, VA

Average rainfall in December - Newtown, VA
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Newtown, VA

Average rainfall days in December - Newtown, VA
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.9 days).

Average snowfall in December
Newtown, VA

Average snowfall in December - Newtown, VA
  • Average snowfall in December: 1.18"

The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Newtown, VA

Average snowfall days in December - Newtown, VA
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (3.7 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
Newtown, VA

Average daylight in December / Average sunshine in December - Newtown, 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 month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in December
Newtown, VA

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

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in December
Newtown, VA

Average UV index in December - Newtown, 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
Newtown, VA

Average cloud cover in December - Newtown, 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
Newtown, VA

Average visibility in December - Newtown, 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).

Newtown, Virginia, USA

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