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 frosty 43.7°F (6.5°C) in November to a wintry 33.6°F (0.9°C). Middlefield records an average low-temperature of 22.8°F (-5.1°C) throughout the month of December.Humidity
In Middlefield, the average relative humidity in December is 84%.Rainfall
In Middlefield, during December, the rain falls for 10.5 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Middlefield, during the entire year, the rain falls for 160.5 days and collects up to 34.33" (872mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Middlefield, in December, snow falls for 11.4 days, with typically accumulated 6.42" (163mm) of snow. Throughout the year, there are 66.9 snowfall days, and 39.69" (1008mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:29 pm EST.
Sunshine
In Middlefield, the average sunshine in December is 4.1h.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 minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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 many days 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?
When are sunrise and sunset in December?
How long on average sun shines in December in Middlefield?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Middlefield, MA
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 22.8°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 (15.6°F).
Average pressure in December
Middlefield, MA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Middlefield, MA
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Middlefield, MA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Middlefield, MA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in December
Middlefield, MA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in December
Middlefield, MA
- Average snowfall in December: 6.42"
The month with the highest snowfall is February (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Middlefield, MA
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Middlefield, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Middlefield, MA
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
Middlefield, MA
- 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
Middlefield, MA
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Middlefield, MA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Middlefield, Massachusetts, USA
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