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 chilly 48.2°F (9°C) in November to an icy 38.1°F (3.4°C). Maynard, during December, witnesses an average low-temperature of 26.6°F (-3°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Maynard, in December, during 9.6 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Maynard, during the entire year, the rain falls for 140 days and collects up to 27.09" (688mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Maynard, Massachusetts. In December, it is snowing for 6 days. Throughout December, 4.69" (119mm) of snow is accumulated. In Maynard, during the entire year, snow falls for 34.1 days and aggregates up to 23.58" (599mm) of snow.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 6:56 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:23 pm EST.
Sunshine
In Maynard, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index 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 vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December in Maynard?
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?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Maynard, MA
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Maynard, 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
Maynard, MA
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Maynard, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Maynard, MA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Maynard, MA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6.5 days).
Average snowfall in December
Maynard, MA
- Average snowfall in December: 4.69"
The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Maynard, MA
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Maynard, 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 30min).
Average sunshine days in December
Maynard, MA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in December
Maynard, 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
Maynard, MA
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Maynard, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Maynard, Massachusetts, USA
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