December weather forecast
Elk Grove, PA

Share

Weather in December

December, the first month of the winter in Elk Grove, is also a wintry month, with temperature in the range of an average high of 37.6°F (3.1°C) and an average low of 27°F (-2.8°C).

Temperature

Elk Grove's transition into December involves a shift in temperature, receding from a frosty 47.3°F (8.5°C) in November to a cold 37.6°F (3.1°C). December generally records an average low-temperature of 27°F (-2.8°C).

Humidity

The average relative humidity in December is 82%.

Rainfall

In Elk Grove, in December, it is raining for 12.4 days, with typically 2.52" (64mm) of accumulated precipitation. In Elk Grove, during the entire year, the rain falls for 166.3 days and collects up to 31.06" (789mm) of precipitation.

Snowfall

Months with snowfall in Elk Grove are January through May, October through December. In Elk Grove, in December, snow falls for 9.4 days, with typically accumulated 3.94" (100mm) of snow. Throughout the year, in Elk Grove, there are 47.6 snowfall days, and 22.91" (582mm) of snow is accumulated.

Daylight

The month with the shortest days in Elk Grove is December, with an average of 9h and 18min of daylight.
On the first day of December in Elk Grove, 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.

Sunshine

In Elk Grove, the average sunshine in December is 4.1h.

UV index

The month with the lowest UV index in Elk Grove, Pennsylvania, 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 the ordinary person.
Note: The UV index of 1 during December translates into the following guidance:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold in Elk Grove?

An average high-temperature, in December, in Elk Grove, is 37.6°F (3.1°C) and the average low-temperature is 27°F (-2.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 87.8°F (31°C).

What is the average humidity in December in Elk Grove?

In December, the average relative humidity in Elk Grove is 82%.

How many days does it rain in December in Elk Grove?

In Elk Grove, Pennsylvania, in December, during 12.4 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

How much does it snow in Elk Grove in December?

In December, in Elk Grove, Pennsylvania, it is snowing for 9.4 days. Throughout December, 3.94" (100mm) of snow is accumulated.

What is the month with the shortest days in Elk Grove?

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

How many hours of daylight does Elk Grove have in December?

The average day length in December in Elk Grove, Pennsylvania, is 9h and 15min.

When is the sunrise / sunset in December in Elk Grove?

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, in Elk Grove, Pennsylvania, sunrise is at 7:31 am and sunset at 4:46 pm EST.

How long on average sun shines in December in Elk Grove?

The average sunshine duration in December in Elk Grove, Pennsylvania, is 4.1h.

When is the lowest UV index in Elk Grove?

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

What is the UV index intensity in December in Elk Grove?

The average daily maximum UV index in December in Elk Grove is 1. A UV Index of 2, and less, symbolizes a low health risk 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
Elk Grove, PA

Average temperature in December - Elk Grove, PA
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in December: 27°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 (19°F).

Average pressure in December
Elk Grove, PA

Average pressure in December - Elk Grove, 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
Elk Grove, PA

Average wind speed in December - Elk Grove, PA
  • Average wind speed in December: 7.5mph

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 (4.8mph).

Average humidity in December
Elk Grove, PA

Average humidity in December - Elk Grove, 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
Elk Grove, PA

Average rainfall in December - Elk Grove, PA
  • Average rainfall in December: 2.52"

The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Elk Grove, PA

Average rainfall days in December - Elk Grove, PA
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in December
Elk Grove, PA

Average snowfall in December - Elk Grove, PA
  • Average snowfall in December: 3.94"

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Elk Grove, PA

Average snowfall days in December - Elk Grove, PA
  • Average snowfall days in December: 9.4 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Elk Grove, PA

Average daylight in December / Average sunshine in December - Elk Grove, 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 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
Elk Grove, PA

Average sunshine days in December - Elk Grove, PA
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in December
Elk Grove, PA

Average UV index in December - Elk Grove, 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
Elk Grove, PA

Average cloud cover in December - Elk Grove, PA
  • Average cloud cover in December: 58

The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in December
Elk Grove, PA

Average visibility in December - Elk Grove, 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).

Elk Grove, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location