December weather forecast
Greentown, PA

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Weather in December

The first month of the winter, December, is still a cold month in Greentown, Pennsylvania, with an average temperature ranging between max 36.1°F (2.3°C) and min 25.3°F (-3.7°C).

Temperature

Greentown's weather changes with the onset of December, slightly falling from a chilly 45.5°F (7.5°C) in November to an icy 36.1°F (2.3°C). Greentown's average low-temperature in December is measured at a subzero cold 25.3°F (-3.7°C).

Humidity

The average relative humidity in December in Greentown is 84%.

Rainfall

In Greentown, during December, the rain falls for 10.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 154.8 rainfall days, and 32.24" (819mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Greentown, during December, snow falls for 13.2 days and regularly aggregates up to 7.13" (181mm) of snow. Throughout the year, in Greentown, there are 62.1 snowfall days, and 38.86" (987mm) 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 7:08 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:42 pm EST.

Sunshine

In Greentown, the average sunshine in December is 3.9h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
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. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 19, 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 36.1°F (2.3°C) and 25.3°F (-3.7°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

What is the average humidity in December?

In Greentown, the average relative humidity in December is 84%.

How many days does it rain in December in Greentown?

In Greentown, during December, the rain falls for 10.8 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in December?

In December, in Greentown, it is snowing for 13.2 days. Throughout December, 7.13" (181mm) of snow is accumulated.

What is the month with the shortest days in Greentown?

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

How many hours of daylight does Greentown have in December?

In December, the average day length is 9h and 15min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:42 pm EST.

How long on average sun shines in December?

In Greentown, Pennsylvania, the average sunshine duration in December is 3.9h.

What is the month with 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?

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

Average temperature in December - Greentown, PA
  • Average high temperature in December: 36.1°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in December
Greentown, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Greentown, PA

Average wind speed in December - Greentown, PA
  • Average wind speed in December: 8.1mph

The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Greentown, PA

Average humidity in December - Greentown, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).

Average rainfall in December
Greentown, PA

Average rainfall in December - Greentown, PA
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Greentown, PA

Average rainfall days in December - Greentown, PA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in December
Greentown, PA

Average snowfall in December - Greentown, PA
  • Average snowfall in December: 7.13"

The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Greentown, PA

Average snowfall days in December - Greentown, PA
  • Average snowfall days in December: 13.2 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Greentown, 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 month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
Greentown, PA

Average sunshine days in December - Greentown, PA
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in December
Greentown, PA

Average UV index in December - Greentown, 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
Greentown, PA

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

The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in December
Greentown, PA

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

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

Greentown, Pennsylvania, USA

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