December weather forecast
New Holland, PA

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Weather in December

The first month of the winter, December, is also an icy month in New Holland, Pennsylvania, with an average temperature varying between 41.5°F (5.3°C) and 30°F (-1.1°C).

Temperature

In New Holland, the average high-temperature in December drops from a cool 50.5°F (10.3°C) in November to an icy 41.5°F (5.3°C). December witnesses an average low-temperature hovering around a freezing cold 30°F (-1.1°C).

Humidity

The average relative humidity in December is 80%.

Rainfall

In New Holland, in December, it is raining for 11.6 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 166.2 rainfall days, and 33.46" (850mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In New Holland, during December, snow falls for 4.6 days and regularly aggregates up to 1.97" (50mm) of snow. In New Holland, during the entire year, snow falls for 27.2 days and aggregates up to 14.45" (367mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:07 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:48 pm EST.

Sunshine

The average sunshine in December is 4.8h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in New Holland, is 41.5°F (5.3°C), while the low-temperature averages to 30°F (-1.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How much does it rain in New Holland in December?

In December, the rain falls for 11.6 days. Throughout December, 2.83" (72mm) of precipitation is accumulated.

How much does it snow in December?

In December, in New Holland, it is snowing for 4.6 days. Throughout December, 1.97" (50mm) 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 24min of daylight.

How many hours of daylight does New Holland have in December?

The average day length in December is 9h and 23min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:48 pm EST.

How many hours of sunshine does New Holland have in December?

In December, the average sunshine duration is 4.8h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes 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
New Holland, PA

Average temperature in December - New Holland, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in December
New Holland, PA

Average pressure in December - New Holland, PA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
New Holland, PA

Average wind speed in December - New Holland, PA
  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
New Holland, PA

Average humidity in December - New Holland, PA
  • Average humidity in December: 80%

The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
New Holland, PA

Average rainfall in December - New Holland, PA
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in December
New Holland, PA

Average rainfall days in December - New Holland, PA
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in December
New Holland, PA

Average snowfall in December - New Holland, PA
  • Average snowfall in December: 1.97"

The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
New Holland, PA

Average snowfall days in December - New Holland, PA
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
New Holland, PA

Average daylight in December / Average sunshine in December - New Holland, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in December
New Holland, PA

Average sunshine days in December - New Holland, PA
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in December
New Holland, PA

Average UV index in December - New Holland, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
New Holland, PA

Average cloud cover in December - New Holland, PA
  • Average cloud cover in December: 49

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
New Holland, PA

Average visibility in December - New Holland, PA
  • Average visibility in December: 6mi

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

New Holland, Pennsylvania, USA

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