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
During Millville's transition into December, the average high-temperature lessens, moving from a frosty 48.4°F (9.1°C) in November to a cold 37.9°F (3.3°C). December brings with it a nighttime average temperature of 27.9°F (-2.3°C).Humidity
The months with the highest humidity are January, July and December, with an average relative humidity of 83%.Rainfall
In Millville, in December, it is raining for 11.7 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Millville, there are 172.8 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is December, when snow falls for 10.3 days and typically aggregates up to 3.62" (92mm) of snow.Daylight
December has the shortest days of the year in Millville, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:44 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:26 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
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 in Millville?
How long on average sun shines in December?
What are the months with the lowest UV index in Millville?
What is the UV index intensity in December?
Average temperature in December
Millville, IN
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Millville, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Millville, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Millville, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Millville, IN
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in December
Millville, IN
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Millville, IN
- Average snowfall in December: 3.62"
The month with the highest snowfall is December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Millville, IN
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Millville, IN
- 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 24min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Millville, IN
- Average sunshine days in December: 12 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Millville, IN
- 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, October, November and December (UV index 2).
Average cloud cover in December
Millville, IN
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Millville, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Millville, Indiana, USA
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