December weather forecast
Nanticoke, PA

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Weather in December

Closing the year in Nanticoke, December brings back the winter chill. The dip in temperatures to 36.9°F (2.7°C) and an upturn in snowfall to 3.5" (89mm) dominate this month's climatic conditions. Drastically shorter daylight hours and a rise in cloudiness fill the days towards the year's end. Looking ahead to January, anticipate a continuation of similar cold weather conditions and a steady amount of snowfall.

Temperature

With the onset of December, Nanticoke experiences a modest temperature adjustment, with the average high-temperature receding from a chilly 46.2°F (7.9°C) in November to an icy 36.9°F (2.7°C). Throughout December, Nanticoke encounters an average temperature drop to a freezing cold 25.9°F (-3.4°C).

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Nanticoke, in December, it is raining for 10.3 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 162.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Nanticoke, in December, snow falls for 7.8 days, with typically accumulated 3.5" (89mm) of snow. Throughout the year, there are 41.1 snowfall days, and 21.38" (543mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine is 3.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 1 in December transforms into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is December?

In December, in Nanticoke, the average high-temperature is 36.9°F (2.7°C), and the average low-temperature is 25.9°F (-3.4°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in December?

In Nanticoke, the average relative humidity in December is 83%.

How many days does it rain in December?

In Nanticoke, in December, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Nanticoke, in December, during 7.8 snowfall days, 3.5" (89mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

The average day length in December in Nanticoke, Pennsylvania, is 9h and 16min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:10 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:45 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 3.8h.

When is the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Nanticoke, PA

Average temperature in December - Nanticoke, PA
  • Average high temperature in December: 36.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in December
Nanticoke, PA

Average pressure in December - Nanticoke, 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
Nanticoke, PA

Average wind speed in December - Nanticoke, PA
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Nanticoke, PA

Average humidity in December - Nanticoke, PA
  • Average humidity in December: 83%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in December
Nanticoke, PA

Average rainfall in December - Nanticoke, PA
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").

Average rainfall days in December
Nanticoke, PA

Average rainfall days in December - Nanticoke, PA
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in December
Nanticoke, PA

Average snowfall in December - Nanticoke, PA
  • Average snowfall in December: 3.5"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Nanticoke, PA

Average snowfall days in December - Nanticoke, PA
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

Average sunshine days in December
Nanticoke, PA

Average sunshine days in December - Nanticoke, PA
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).

Average UV index in December
Nanticoke, PA

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

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

Average cloud cover in December
Nanticoke, PA

Average cloud cover in December - Nanticoke, PA
  • Average cloud cover in December: 60

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in December
Nanticoke, PA

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

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

Nanticoke, Pennsylvania, USA

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