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 start of December signals a decrease in the average high-temperature, transitioning from a cold 41.5°F (5.3°C) in November to a subzero cold 29.5°F (-1.4°C). During the month of December, an average low-temperature of 18.9°F (-7.3°C) is recorded.Humidity
In December, the average relative humidity is 83%.Rainfall
In Mill Brook, Maine, in December, during 9.1 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 146.2 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mill Brook, Maine. In Mill Brook, in December, during 12.1 snowfall days, 7.48" (190mm) of snow is typically accumulated. Throughout the year, in Mill Brook, Maine, there are 65.9 snowfall days, and 37.6" (955mm) of snow is accumulated.Daylight
The month with the shortest days in Mill Brook is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 3:54 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:03 pm EST.
Sunshine
In December, the average sunshine in Mill Brook is 4.2h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Mill Brook?
What is the average humidity in December in Mill Brook?
How many days does it rain in December in Mill Brook?
How much does it snow in Mill Brook in December?
What is the month with the shortest days in Mill Brook?
What is the average length of the day in December in Mill Brook?
When are sunrise and sunset in December in Mill Brook?
How many hours of sunshine does Mill Brook have in December?
What is the month with the lowest UV index in Mill Brook?
What is the UV index reading in December in Mill Brook?
Average temperature in December
Mill Brook, ME
- Average high temperature in December: 29.5°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 (24.3°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in December
Mill Brook, ME
- Average pressure in December: 30"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Mill Brook, ME
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Mill Brook, ME
- Average humidity in December: 83%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Mill Brook, ME
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in December
Mill Brook, ME
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Mill Brook, ME
- Average snowfall in December: 7.48"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mill Brook, ME
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is February (15.3 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 Brook, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Mill Brook, ME
- Average sunshine days in December: 14 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in December
Mill Brook, 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
Mill Brook, ME
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Mill Brook, ME
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Mill Brook, Maine, USA
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