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's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 44.4°F (6.9°C) to a cold 33.3°F (0.7°C). Millvale observes an average low-temperature of 22.8°F (-5.1°C) during December.Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 10.6 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. In Millvale, during the entire year, the rain falls for 144.3 days and collects up to 24.61" (625mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Millvale, in December, snow falls for 8.9 days, with typically accumulated 2.8" (71mm) of snow. In Millvale, during the entire year, snow falls for 46.8 days and aggregates up to 19.61" (498mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:04 pm EST.
Sunshine
In December, the average sunshine is 4.4h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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 much does it rain in December?
How much does it snow in Millvale in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Millvale have in December?
What are the months with the lowest UV index?
How high is the UV index in December in Millvale?
Average temperature in December
Millvale, ME
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Millvale, ME
- Average pressure in December: 29.99"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Millvale, ME
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Millvale, ME
- Average humidity in December: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in December
Millvale, ME
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is July (1.42").
Average rainfall days in December
Millvale, ME
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Millvale, ME
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Millvale, ME
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is February (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Millvale, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Millvale, ME
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in December
Millvale, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Millvale, ME
- Average cloud cover in December: 52
The months with the most cloud cover are February, March and April (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Millvale, ME
- Average visibility in December: 6mi
The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).
Millvale, Maine, USA
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