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 arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 47.3°F (8.5°C) to an icy 37.4°F (3°C). During December, Clinton experiences an average low-temperature of 26.6°F (-3°C) at night.Humidity
The average relative humidity in December is 78%.Rainfall
December is the month with the most rainfall. Rain falls for 10.7 days and accumulates 2.91" (74mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Clinton. In Clinton, during December, snow falls for 5.6 days and regularly aggregates up to 4.33" (110mm) of snow. In Clinton, during the entire year, snow falls for 36.5 days and aggregates up to 23.82" (605mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Clinton.On the first day of the month, sunrise is at 6:57 am and sunset at 4:14 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:24 pm EST.
Sunshine
In Clinton, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Clinton, Massachusetts, are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Clinton in December?
What is the average humidity in December in Clinton?
What is the rainiest month in Clinton?
How many days does it rain in December in Clinton?
How much does it snow in Clinton in December?
What is the month with the shortest days in Clinton?
What is the average length of the day in December in Clinton?
What time are sunrise and sunset in December in Clinton?
How many hours of sunshine does Clinton have in December?
What is the month with the lowest UV index in Clinton?
How high is the UV index in December in Clinton?
Average temperature in December
Clinton, MA
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Clinton, 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 (29.92"Hg).
Average wind speed in December
Clinton, MA
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Clinton, MA
- Average humidity in December: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Clinton, MA
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Clinton, MA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Clinton, MA
- Average snowfall in December: 4.33"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clinton, MA
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clinton, 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 6min).
- 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 36min).
Average sunshine days in December
Clinton, MA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Clinton, 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
Clinton, 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 34).
Average visibility in December
Clinton, MA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).
Clinton, Massachusetts, USA
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