December weather forecastClayton Lake, ME
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Clayton Lake, Maine, with an average temperature varying between 14.5°F (-9.7°C) and 25.2°F (-3.8°C).Temperature
Stepping into December, Clayton Lake observes a temperature decline, with the average high falling from November's wintry 36.9°F (2.7°C) to a freezing cold 25.2°F (-3.8°C). During the month of December, Clayton Lake experiences a steady low-temperature average of 14.5°F (-9.7°C).Humidity
The average relative humidity in December is 88%.Rainfall
In Clayton Lake, in December, during 7.3 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Clayton Lake, during the entire year, the rain falls for 141.4 days and collects up to 29.13" (740mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 15.5 days. Throughout December, 10.71" (272mm) of snow is accumulated. In Clayton Lake, during the entire year, snow falls for 91.4 days and aggregates up to 63.82" (1621mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 3:52 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:00 pm EST.
Sunshine
In Clayton Lake, the average sunshine in December is 3.2h.UV index
The months with the lowest UV index are February, March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clayton Lake, ME
- Average high temperature in December: 25.2°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in December: 14.5°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 (5.9°F).
Average pressure in December
Clayton Lake, ME
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Clayton Lake, ME
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Clayton Lake, ME
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Clayton Lake, ME
- Average rainfall in December: 2.56"
The wettest months (with the highest rainfall) are June and July (2.76").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in December
Clayton Lake, ME
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Clayton Lake, ME
- Average snowfall in December: 10.71"
The month with the highest snowfall is February (12.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clayton Lake, ME
- Average snowfall days in December: 15.5 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
Clayton Lake, ME
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 18min).
Average sunshine days in December
Clayton Lake, ME
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is November (14.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Clayton Lake, 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, November and December (UV index 1).
Average cloud cover in December
Clayton Lake, ME
- Average cloud cover in December: 69
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in December
Clayton Lake, ME
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).





