December weather forecast
Naces Corner, PA

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Weather in December

December, the first month of the winter in Naces Corner, is still a cold month, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 41.9°F (5.5°C).

Temperature

In December, the meteorological conditions change slightly, with the average high-temperature moving from a fresh 50.7°F (10.4°C) in November to an icy 41.9°F (5.5°C). Naces Corner experiences a mean low-temperature of 30.2°F (-1°C) during December.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Naces Corner, in December, during 10.4 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Naces Corner, Pennsylvania, during the entire year, the rain falls for 157.1 days and collects up to 31.73" (806mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Naces Corner, during December, snow falls for 4.3 days and regularly aggregates up to 2.48" (63mm) of snow. In Naces Corner, Pennsylvania, during the entire year, snow falls for 26.7 days and aggregates up to 14.37" (365mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:44 pm EST.

Sunshine

In Naces Corner, the average sunshine in December is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature are 41.9°F (5.5°C) and 30.2°F (-1°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How much does it rain in December?

In Naces Corner, during December, the rain falls for 10.4 days and regularly aggregates up to 3.03" (77mm) of precipitation.

How many days does it snow in December?

In Naces Corner, Pennsylvania, in December, during 4.3 snowfall days, 2.48" (63mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

How many hours of daylight does Naces Corner have in December?

In December, the average day length is 9h and 21min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:44 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.9h.

What are the months with the lowest UV index?

January through March, 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?

In Naces Corner, the average daily maximum UV index in December is 2. A UV Index estimate 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
Naces Corner, PA

Average temperature in December - Naces Corner, PA
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in December
Naces Corner, PA

Average pressure in December - Naces Corner, 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
Naces Corner, PA

Average wind speed in December - Naces Corner, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Naces Corner, PA

Average humidity in December - Naces Corner, PA
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in December
Naces Corner, PA

Average rainfall in December - Naces Corner, PA
  • Average rainfall in December: 3.03"

The wettest months (with the highest rainfall) are July and August (3.07").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Naces Corner, PA

Average rainfall days in December - Naces Corner, PA
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Naces Corner, PA

Average snowfall in December - Naces Corner, PA
  • Average snowfall in December: 2.48"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Naces Corner, PA

Average snowfall days in December - Naces Corner, PA
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Naces Corner, PA

Average daylight in December / Average sunshine in December - Naces Corner, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Naces Corner, PA

Average sunshine days in December - Naces Corner, PA
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (11.9 days).

Average UV index in December
Naces Corner, PA

Average UV index in December - Naces Corner, PA
  • 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, March, November and December (UV index 2).

Average cloud cover in December
Naces Corner, PA

Average cloud cover in December - Naces Corner, 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
Naces Corner, PA

Average visibility in December - Naces Corner, PA
  • Average visibility in December: 6mi

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

Naces Corner, Pennsylvania, USA

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