December weather forecastSanford, ME
December
Weather in December
December brings Sanford under the full swing of winter. Snowflakes begin to fill the landscape, painting the town in white hues. The daylight shrinks, and the nights are frosty, with holiday decorations dotting the cityscape. An increase in snowfall to 2.83" (72mm) reintroduces the city to its winter wonderland phase. While the month stays cold, the festive spirit keeps the city warm at heart.Temperature
December in Sanford brings a minor decrease, with the average high-temperature reducing from a chilly 45.9°F (7.7°C) in November to a cold 35.6°F (2°C). In December, Sanford experiences a temperature dip to an average of 25.7°F (-3.5°C) at night.Humidity
The average relative humidity in December is 80%.Rainfall
In December, the rain falls for 8.3 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. In Sanford, during the entire year, the rain falls for 118.9 days and collects up to 14.61" (371mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 6.3 days and accumulates 2.83" (72mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 4:08 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:17 pm EST.
Sunshine
The months with the least sunshine in Sanford are February and December, with an average of 4.9h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 in December translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sanford, ME
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Sanford, ME
- Average pressure in December: 30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Sanford, ME
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Sanford, ME
- Average humidity in December: 80%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall in December
Sanford, ME
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in December
Sanford, ME
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Sanford, ME
- Average snowfall in December: 2.83"
The month with the highest snowfall is December (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Sanford, ME
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sanford, ME
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Sanford, ME
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (14.2 days).
Average UV index in December
Sanford, ME
- Average UV index in December: 2
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Sanford, ME
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Sanford, ME
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
