December weather forecast
Pitman, PA

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Weather in December

The first month of the winter, December, is also an icy month in Pitman, Pennsylvania, with an average temperature fluctuating between 28°F (-2.2°C) and 39.2°F (4°C).

Temperature

In Pitman, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 48.2°F (9°C) to a wintry 39.2°F (4°C). Pitman observes an average nighttime low-temperature of 28°F (-2.2°C) during the month of December.

Humidity

In Pitman, the average relative humidity in December is 81%.

Rainfall

In Pitman, during December, the rain falls for 5.5 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 100.8 rainfall days, and 8.5" (216mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 4.2 days. Throughout December, 0.24" (6mm) of snow is accumulated. Throughout the year, there are 21.7 snowfall days, and 2.48" (63mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:11 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:48 pm EST.

Sunshine

In Pitman, the average sunshine in December is 4.3h.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In December, the average high-temperature and low-temperature are 39.2°F (4°C) and 28°F (-2.2°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in July is calculated to be 87.8°F (31°C).

What is the average humidity in December?

In Pitman, Pennsylvania, the average relative humidity in December is 81%.

How much does it rain in December?

In Pitman, during December, the rain falls for 5.5 days and regularly aggregates up to 0.55" (14mm) of precipitation.

How much does it snow in December?

In December, in Pitman, it is snowing for 4.2 days. Throughout December, 0.24" (6mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 19min.

What time are sunrise and sunset in December?

On the first day of December in Pitman, sunrise is at 7:11 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:48 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.3h.

When is 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 intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Pitman, PA

Average temperature in December - Pitman, PA
  • Average high temperature in December: 39.2°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in December
Pitman, PA

Average pressure in December - Pitman, 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
Pitman, PA

Average wind speed in December - Pitman, PA
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Pitman, PA

Average humidity in December - Pitman, PA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).

Average rainfall in December
Pitman, PA

Average rainfall in December - Pitman, PA
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in December
Pitman, PA

Average rainfall days in December - Pitman, PA
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Pitman, PA

Average snowfall in December - Pitman, PA
  • Average snowfall in December: 0.24"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Pitman, PA

Average snowfall days in December - Pitman, PA
  • Average snowfall days in December: 4.2 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Pitman, 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 18min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Pitman, PA

Average sunshine days in December - Pitman, PA
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (14.6 days).

Average UV index in December
Pitman, PA

Average UV index in December - Pitman, PA
  • Average UV index in December: 2

The month with the highest UV index is June (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
Pitman, PA

Average cloud cover in December - Pitman, PA
  • Average cloud cover in December: 54

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Pitman, PA

Average visibility in December - Pitman, PA
  • Average visibility in December: 6mi

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

Pitman, Pennsylvania, USA

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