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 arrival of December signals a shift in temperature, down from a wintry 39.2°F (4°C) in November to a subzero cold 27.3°F (-2.6°C). In the month of December, the temperature generally rests at an average low of 16.2°F (-8.8°C).Humidity
The average relative humidity in December in Monticello is 88%.Rainfall
December is the month with the most rainfall. Rain falls for 9.3 days and accumulates 3.27" (83mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Monticello, in December, snow falls for 14.9 days, with typically accumulated 11.3" (287mm) of snow. Throughout the year, in Monticello, there are 88.2 snowfall days, and 62.83" (1596mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December in Monticello, sunrise is at 6:54 am and sunset at 3:46 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 3:55 pm EST.
Sunshine
The average sunshine in December is 3.5h.UV index
The months with the lowest UV index in Monticello are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is it in Monticello in December?
What is the average humidity in December in Monticello?
What is the rainiest month in Monticello?
How much does it rain in Monticello in December?
How many days does it snow in December in Monticello?
What is the month with the shortest days in Monticello?
What is the average length of the day in December in Monticello?
When is the sunrise / sunset in December in Monticello?
How many hours of sunshine does Monticello have in December?
When is the lowest UV index in Monticello?
How high is the UV index in December in Monticello?
Average temperature in December
Monticello, ME
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in December
Monticello, ME
- Average pressure in December: 29.99"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Monticello, ME
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Monticello, ME
- Average humidity in December: 88%
The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Monticello, ME
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (2.17").
Average rainfall days in December
Monticello, ME
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Monticello, ME
- Average snowfall in December: 11.3"
The months with the highest snowfall are January and February (13.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Monticello, ME
- Average snowfall days in December: 14.9 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Monticello, ME
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Monticello, ME
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is April (8.7 days).
Average UV index in December
Monticello, ME
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Monticello, ME
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in December
Monticello, ME
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Monticello, Maine, USA
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