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 shows a mild decline in the average high-temperature, falling from November's icy 36.9°F (2.7°C) to a subzero cold 25.7°F (-3.5°C). In Bald Mountain, an average nighttime temperature of 15.1°F (-9.4°C) is expected during December.Humidity
The average relative humidity in December in Bald Mountain is 87%.Rainfall
In December, the rain falls for 9.2 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. In Bald Mountain, during the entire year, the rain falls for 152.5 days and collects up to 30.31" (770mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 19.5 days. Throughout December, 11.3" (287mm) of snow is accumulated. Throughout the year, there are 114.7 snowfall days, and 71.06" (1805mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:03 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:11 pm EST.
Sunshine
In Bald Mountain, the average sunshine in December is 3h.UV index
February, March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 in December translates into these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
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?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Bald Mountain, ME
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in December
Bald Mountain, ME
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Bald Mountain, ME
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are February, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Bald Mountain, ME
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Bald Mountain, ME
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Bald Mountain, ME
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Bald Mountain, ME
- Average snowfall in December: 11.3"
The month with the highest snowfall is February (14.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bald Mountain, ME
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is January (22.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bald Mountain, 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: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Bald Mountain, ME
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in December
Bald Mountain, 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 February, March and December (UV index 1).
Average cloud cover in December
Bald Mountain, ME
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Bald Mountain, ME
- Average visibility in December: 4mi
The months with the highest visibility are May and June (5mi).
The months with the lowest visibility are January, February, March, April, July, August, September, October, November and December (4mi).
Bald Mountain, Maine, USA
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