December weather forecastTroutdale, ME
December
Weather in December
December, the first month of the winter in Troutdale, is also a subzero cold month, with an average temperature fluctuating between 16.3°F (-8.7°C) and 26.1°F (-3.3°C).Temperature
December's onset brings a slight change in high-temperatures, falling from an icy 38.1°F (3.4°C) in November to a subzero cold 26.1°F (-3.3°C). Troutdale reports a consistent average low-temperature of 16.3°F (-8.7°C) throughout December nights.Humidity
In Troutdale, the average relative humidity in December is 86%.Rainfall
In Troutdale, in December, during 8.3 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 147.1 rainfall days, and 34.65" (880mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Troutdale, during December, snow falls for 18.1 days and regularly aggregates up to 13.66" (347mm) of snow. In Troutdale, during the entire year, snow falls for 104.3 days and aggregates up to 76.26" (1937mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:59 am and sunset at 3:58 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:06 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
The months with the lowest UV index 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 threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Troutdale, ME
- Average high temperature in December: 26.1°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 16.3°F
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
Troutdale, ME
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Troutdale, ME
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Troutdale, ME
- Average humidity in December: 86%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Troutdale, ME
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is February (2.24").
Average rainfall days in December
Troutdale, ME
- Average rainfall days in December: 8.3 days
The months with the highest number of rainy days are July and August (17.8 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Troutdale, ME
- Average snowfall in December: 13.66"
The month with the highest snowfall is January (14.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Troutdale, ME
- Average snowfall days in December: 18.1 days
The month with the highest number of snowfall days is February (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Troutdale, ME
- Average daylight in December: 8h and 48min
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 18min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Troutdale, ME
- Average sunshine days in December: 11 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in December
Troutdale, ME
- Average UV index in December: 1
The month with the highest UV index is 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
Troutdale, ME
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 45).
Average visibility in December
Troutdale, ME
- Average visibility in December: 4mi
The months with the highest visibility are May, July, October and November (5mi).
The months with the lowest visibility are January, February, March, April, June, August, September and December (4mi).
