December weather forecast
Newfield, PA

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Weather in December

December, the first month of the winter in Newfield, is also a wintry month, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 34.2°F (1.2°C).

Temperature

Observing a mild shift, the average high-temperature during December reduces from November's chilly 43.7°F (6.5°C) to a wintry 34.2°F (1.2°C). Nighttime temperature experiences an average drop to a freezing cold 24.1°F (-4.4°C) in December.

Humidity

In December, the average relative humidity is 86%.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 174 rainfall days, and 30.83" (783mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 18 days. Throughout December, 7.95" (202mm) of snow is accumulated. In Newfield, during the entire year, snow falls for 86.8 days and aggregates up to 41.54" (1055mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:19 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:50 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 2.9h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Aug 20, 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 Newfield, is 34.2°F (1.2°C), while the low-temperature averages to 24.1°F (-4.4°C).

What is the average humidity in December?

In Newfield, Pennsylvania, the average relative humidity in December is 86%.

How much does it rain in December?

In Newfield, in December, during 11.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 18 days. Throughout December, 7.95" (202mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 11min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:19 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:50 pm EST.

What are the months with the least sunshine?

The months with the least sunshine are January and December, with an average of 2.9h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 2.9h.

What is the month with the lowest UV index in Newfield?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Newfield, PA

Average temperature in December - Newfield, PA
  • Average high temperature in December: 34.2°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in December
Newfield, PA

Average pressure in December - Newfield, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Newfield, PA

Average wind speed in December - Newfield, PA
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Newfield, PA

Average humidity in December - Newfield, PA
  • Average humidity in December: 86%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in December
Newfield, PA

Average rainfall in December - Newfield, PA
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in December
Newfield, PA

Average rainfall days in December - Newfield, PA
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in December
Newfield, PA

Average snowfall in December - Newfield, PA
  • Average snowfall in December: 7.95"

The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Newfield, PA

Average snowfall days in December - Newfield, PA
  • Average snowfall days in December: 18 days

The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Newfield, PA

Average daylight in December / Average sunshine in December - Newfield, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).

Average sunshine days in December
Newfield, PA

Average sunshine days in December - Newfield, PA
  • Average sunshine days in December: 7 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.9 days).

Average UV index in December
Newfield, PA

Average UV index in December - Newfield, PA
  • Average UV index in December: 1

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

Average cloud cover in December
Newfield, PA

Average cloud cover in December - Newfield, PA
  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 41).

Average visibility in December
Newfield, PA

Average visibility in December - Newfield, PA
  • Average visibility in December: 5mi

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

Newfield, Pennsylvania, USA

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