Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Mumbauersville?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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