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
A subtle decrease in the average high-temperature marks December, falling from November's chilly 48.2°F (9°C) to a cold 38.3°F (3.5°C). Millville, in December, experiences an average temperature of 27.5°F (-2.5°C) at night.Humidity
In December, the average relative humidity is 81%.Rainfall
In December, in Millville, Pennsylvania, the rain falls for 11.5 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. In Millville, Pennsylvania, during the entire year, the rain falls for 155.9 days and collects up to 30.04" (763mm) of precipitation.Snowfall
Months with snowfall in Millville are January through May, October through December. In Millville, during December, snow falls for 8.4 days and regularly aggregates up to 3.31" (84mm) of snow. In Millville, during the entire year, snow falls for 42.7 days and aggregates up to 20.67" (525mm) of snow.Daylight
The month with the shortest days in Millville 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 4:38 pm. On the last day of December, in Millville, sunrise is at 7:31 am and sunset at 4:47 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Millville are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold does it get in Millville in December?
What is the average humidity in December in Millville?
How many days does it rain in December in Millville?
How much does it snow in Millville in December?
What is the month with the shortest days in Millville?
What is the average length of the day in December in Millville?
When are sunrise and sunset in December in Millville?
How many hours of sunshine does Millville have in December?
When is the lowest UV index in Millville?
What is the UV index intensity in December in Millville?
Average temperature in December
Millville, PA
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 27.5°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 (19.6°F).
Average pressure in December
Millville, 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
Millville, PA
- Average wind speed in December: 7.4mph
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
Millville, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in December
Millville, PA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Millville, PA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Millville, PA
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Millville, PA
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Millville, 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 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in December
Millville, PA
- Average sunshine days in December: 14 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is February (10.7 days).
Average UV index in December
Millville, PA
- Average UV index in December: 2
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, March, November and December (UV index 2).
Average cloud cover in December
Millville, PA
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Millville, 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).
Millville, Pennsylvania, USA
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