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 transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a chilly 49.5°F (9.7°C) in November to a wintry 39.6°F (4.2°C). Sheldonville witnesses a consistent average low-temperature of 28.6°F (-1.9°C) throughout December.Humidity
The average relative humidity in December is 77%.Rainfall
In December, the rain falls for 7.8 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 116.7 rainfall days, and 10.91" (277mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Sheldonville. In Sheldonville, during December, snow falls for 3.5 days and regularly aggregates up to 0.94" (24mm) of snow. In Sheldonville, during the entire year, snow falls for 23.4 days and aggregates up to 6.02" (153mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:54 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:24 pm EST.
Sunshine
In Sheldonville, the average sunshine in December is 4.9h.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 minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
Is December cold in Sheldonville?
What is the average humidity in December in Sheldonville?
How many days does it rain in December in Sheldonville?
How much does it snow in Sheldonville in December?
What is the month with the shortest days in Sheldonville?
How many hours of daylight does Sheldonville have in December?
What time are sunrise and sunset in December in Sheldonville?
How long on average sun shines in December in Sheldonville?
When is the lowest UV index in Sheldonville?
What is the UV index intensity in December in Sheldonville?
Average temperature in December
Sheldonville, MA
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Sheldonville, MA
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Sheldonville, MA
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Sheldonville, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Sheldonville, MA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Sheldonville, MA
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Sheldonville, MA
- Average snowfall in December: 0.94"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sheldonville, MA
- Average snowfall days in December: 3.5 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sheldonville, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Sheldonville, MA
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in December
Sheldonville, MA
- Average UV index in December: 2
The months with the highest UV index are June, July and 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
Sheldonville, MA
- 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 35).
Average visibility in December
Sheldonville, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).
Sheldonville, Massachusetts, USA
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