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 beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 43°F (6.1°C) in November to a subzero cold 31.1°F (-0.5°C). In December, the average low-temperature is 20.1°F (-6.6°C).Humidity
In Smithfield, the average relative humidity in December is 81%.Rainfall
In Smithfield, in December, it is raining for 9.6 days, with typically 3.11" (79mm) of accumulated precipitation. In Smithfield, during the entire year, the rain falls for 142.5 days and collects up to 30.47" (774mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Smithfield, during December, snow falls for 10.1 days and regularly aggregates up to 7.01" (178mm) of snow. Throughout the year, in Smithfield, there are 54.3 snowfall days, and 40.87" (1038mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 6:56 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:09 pm EST.
Sunshine
The average sunshine in December is 4.5h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Smithfield. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold is December in Smithfield?
What is the average humidity in December in Smithfield?
How much does it rain in Smithfield in December?
How many days does it snow in December in Smithfield?
What is the month with the shortest days in Smithfield?
How many hours of daylight does Smithfield have in December?
What time are sunrise and sunset in December in Smithfield?
How long on average sun shines in December in Smithfield?
When is the lowest UV index in Smithfield?
What is the UV index reading in December in Smithfield?
Average temperature in December
Smithfield, ME
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in December
Smithfield, 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 (29.91"Hg).
Average wind speed in December
Smithfield, ME
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Smithfield, ME
- Average humidity in December: 81%
The months with the highest relative humidity are February and March (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Smithfield, ME
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Smithfield, ME
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Smithfield, ME
- Average snowfall in December: 7.01"
The month with the highest snowfall is February (9.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Smithfield, ME
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Smithfield, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Smithfield, ME
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Smithfield, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Smithfield, ME
- Average cloud cover in December: 52
The months with the most cloud cover are February, March and April (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Smithfield, ME
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Smithfield, Maine, USA
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