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 onset of December coincides with a reduction in the average high-temperature, falling from a frosty 44.4°F (6.9°C) in November to a cold 33.8°F (1°C). During the month of December, Ashfield experiences a steady low-temperature average of 23.2°F (-4.9°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In Ashfield, in December, during 11.8 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Ashfield, during the entire year, the rain falls for 158.5 days and collects up to 31.38" (797mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 8.7 days. Throughout December, 5.91" (150mm) of snow is accumulated. In Ashfield, during the entire year, snow falls for 47.9 days and aggregates up to 28.35" (720mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:01 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:28 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Ashfield have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ashfield, MA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Ashfield, MA
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Ashfield, MA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Ashfield, MA
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Ashfield, MA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Ashfield, MA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in December
Ashfield, MA
- Average snowfall in December: 5.91"
The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ashfield, MA
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ashfield, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Ashfield, MA
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in December
Ashfield, MA
- Average UV index in December: 2
The months with the highest UV index are May, 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
Ashfield, MA
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Ashfield, MA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Ashfield, Massachusetts, USA
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