December weather forecast
Mumbauersville, PA

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Weather in December

The first month of the winter, December, is still a cold month in Mumbauersville, Pennsylvania, with an average temperature ranging between max 41.5°F (5.3°C) and min 30°F (-1.1°C).

Temperature

The transition into December subtly indicates a reduction in the average high-temperature, down to a wintry 41.5°F (5.3°C) from November's cool 50.4°F (10.2°C). Throughout the month of December, the nighttime temperature dips to an average of 30°F (-1.1°C).

Humidity

In Mumbauersville, the average relative humidity in December is 80%.

Rainfall

In Mumbauersville, during December, the rain falls for 10.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Mumbauersville, Pennsylvania, during the entire year, the rain falls for 155.5 days and collects up to 28.15" (715mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Mumbauersville, in December, during 4.1 snowfall days, 2.01" (51mm) of snow is typically accumulated. Throughout the year, there are 27 snowfall days, and 12.52" (318mm) 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 the month, sunrise is at 7:06 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:45 pm EST.

Sunshine

In Mumbauersville, the average sunshine in December is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold in Mumbauersville?

The average high-temperature, in December, in Mumbauersville, is 41.5°F (5.3°C), while the average low-temperature is 30°F (-1.1°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How much does it rain in December?

In December, the rain falls for 10.8 days. Throughout December, 2.52" (64mm) of precipitation is accumulated.

How much does it snow in December?

In Mumbauersville, Pennsylvania, in December, during 4.1 snowfall days, 2.01" (51mm) of snow is typically 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 Mumbauersville, the average day length in December is 9h and 20min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:35 pm. On the last day of the month, in Mumbauersville, sunrise is at 7:24 am and sunset at 4:45 pm EST.

How long on average sun shines in December?

In Mumbauersville, the average sunshine duration in December is 4.8h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Mumbauersville, 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
Mumbauersville, PA

Average temperature in December - Mumbauersville, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Mumbauersville, PA

Average pressure in December - Mumbauersville, 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
Mumbauersville, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Mumbauersville, PA

Average humidity in December - Mumbauersville, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Mumbauersville, PA

Average rainfall in December - Mumbauersville, PA
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in December
Mumbauersville, PA

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

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in December
Mumbauersville, PA

Average snowfall in December - Mumbauersville, PA
  • Average snowfall in December: 2.01"

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Mumbauersville, PA

Average snowfall days in December - Mumbauersville, PA
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Mumbauersville, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Mumbauersville, PA

Average sunshine days in December - Mumbauersville, PA
  • Average sunshine days in December: 16 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).

Average UV index in December
Mumbauersville, PA

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

The months with the highest UV index are May, June and July (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
Mumbauersville, PA

Average cloud cover in December - Mumbauersville, PA
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Mumbauersville, PA

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

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

Mumbauersville, Pennsylvania, USA

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