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
December suggests a modest reduction in the average high-temperature, shifting from a chilly 45.1°F (7.3°C) in November to an icy 35.8°F (2.1°C). Nighttime temperature dips to a mean of 26.4°F (-3.1°C) during December.Humidity
In December, the average relative humidity is 87%.Rainfall
In Mill Village, during December, the rain falls for 9.4 days and regularly aggregates up to 3.5" (89mm) of precipitation. In Mill Village, during the entire year, the rain falls for 172.3 days and collects up to 37.48" (952mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 17.9 days and accumulates 11.77" (299mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:47 am and sunset at 4:59 pm EST.
Sunshine
In Mill Village, the average sunshine in December is 2.1h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 1 during December translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month?
How many days does it snow in December in Mill Village?
What is the month with the shortest days?
How many hours of daylight does Mill Village have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Mill Village have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Mill Village, PA
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Mill Village, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mill Village, PA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Mill Village, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in December
Mill Village, PA
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is October (3.62").
The driest months (with the least rainfall) are August and September (2.52").
Average rainfall days in December
Mill Village, PA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Mill Village, PA
- Average snowfall in December: 11.77"
The month with the highest snowfall is December (11.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mill Village, PA
- Average snowfall days in December: 17.9 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mill Village, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Mill Village, PA
- Average sunshine days in December: 6.3 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (5 days).
Average UV index in December
Mill Village, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Mill Village, PA
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Mill Village, PA
- Average visibility in December: 4mi
The months with the highest visibility are June, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Mill Village, Pennsylvania, USA
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