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
December's arrival correlates with a reduction in the average high-temperature, down from a chilly 49.5°F (9.7°C) in November to a wintry 39.6°F (4.2°C). An average low-temperature of 28.6°F (-1.9°C) is noted in Franklin during the month of December.Humidity
In December, the average relative humidity in Franklin, Massachusetts, is 77%.Rainfall
In Franklin, Massachusetts, in December, during 7.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Franklin, there are 116.7 rainfall days, and 10.91" (277mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Franklin, during December, snow falls for 3.5 days and regularly aggregates up to 0.94" (24mm) of snow. Throughout the year, there are 23.4 snowfall days, and 6.02" (153mm) of snow is accumulated.Daylight
The month with the shortest days in Franklin, Massachusetts, is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 4:14 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:24 pm EST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The months with the lowest UV index in Franklin are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is December in Franklin?
What is the average humidity in December in Franklin?
How many days does it rain in December in Franklin?
How many days does it snow in December in Franklin?
What is the month with the shortest days in Franklin?
What is the average length of the day in December in Franklin?
What time are sunrise and sunset in December in Franklin?
How many hours of sunshine does Franklin have in December?
What are the months with the lowest UV index in Franklin?
What is the UV index intensity in December in Franklin?
Average temperature in December
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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
Franklin, 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).
Franklin, Massachusetts, USA
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