December weather forecast
Emmons, PA

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Weather in December

December, the first month of the winter in Emmons, is still a cold month, with an average temperature fluctuating between 27°F (-2.8°C) and 37°F (2.8°C).

Temperature

Emmons's average high-temperature decreases in December, falling from a frosty 46.9°F (8.3°C) in November to an icy 37°F (2.8°C). Emmons experiences a steady low-temperature of 27°F (-2.8°C) throughout December.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Emmons, in December, it is raining for 12.7 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 168 rainfall days, and 27.32" (694mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Emmons, during December, snow falls for 10 days and regularly aggregates up to 2.95" (75mm) of snow. Throughout the year, there are 48.3 snowfall days, and 17.68" (449mm) 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 the month, sunrise is at 7:12 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:46 pm EST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 in December translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

During December, Emmons experiences an average high-temperature of 37°F (2.8°C) and a low-temperature of 27°F (-2.8°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 82%.

How many days does it rain in December?

In Emmons, in December, it is raining for 12.7 days, with typically 1.93" (49mm) of accumulated precipitation.

How many days does it snow in December?

In December, it is snowing for 10 days. Throughout December, 2.95" (75mm) of snow is 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 is 9h and 15min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:46 pm EST.

How many hours of sunshine does Emmons have in December?

In Emmons, the average sunshine duration in December is 4.1h.

When is the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Emmons, PA

Average temperature in December - Emmons, PA
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in December
Emmons, PA

Average pressure in December - Emmons, PA
  • Average pressure in December: 30.09"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
Emmons, PA

Average wind speed in December - Emmons, PA
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Emmons, PA

Average humidity in December - Emmons, PA
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December
Emmons, PA

Average rainfall in December - Emmons, PA
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in December
Emmons, PA

Average rainfall days in December - Emmons, PA
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in December
Emmons, PA

Average snowfall in December - Emmons, PA
  • Average snowfall in December: 2.95"

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Emmons, PA

Average snowfall days in December - Emmons, PA
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Emmons, 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: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

Average sunshine days in December
Emmons, PA

Average sunshine days in December - Emmons, PA
  • Average sunshine days in December: 13.4 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (10 days).

Average UV index in December
Emmons, PA

Average UV index in December - Emmons, 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, October, November and December (UV index 2).

Average cloud cover in December
Emmons, PA

Average cloud cover in December - Emmons, PA
  • Average cloud cover in December: 58

The months with the most cloud cover are January, February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Emmons, PA

Average visibility in December - Emmons, 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).

Emmons, Pennsylvania, USA

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