December weather forecast
New Boston, MI

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Weather in December

The first month of the winter, December, is also an icy month in New Boston, Michigan, with temperature in the range of an average low of 27.1°F (-2.7°C) and an average high of 35.2°F (1.8°C).

Temperature

During the transition into December, New Boston observes a decrease in the average high-temperature, falling from a frosty 45.7°F (7.6°C) in November to a wintry 35.2°F (1.8°C). New Boston navigates through December with a barely noticeable decrease in temperature at night, stabilizing at a subzero cold 27.1°F (-2.7°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

The month with the least rainfall in New Boston is December, when the rain falls for 7.9 days and typically collects 1.14" (29mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In New Boston, in December, snow falls for 7.9 days, with typically accumulated 1.54" (39mm) of snow. In New Boston, during the entire year, snow falls for 40.4 days and aggregates up to 12.24" (311mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:43 am and sunset at 5:02 pm. On the last day of December, in New Boston, sunrise is at 8:02 am and sunset at 5:11 pm EST.

Sunshine

In New Boston, the average sunshine in December is 3.6h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, in New Boston, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 27.1°F (-2.7°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 7.9 days and typically collects 1.14" (29mm) of precipitation.

How many days does it rain in December?

In December, the rain falls for 7.9 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How much does it snow in New Boston in December?

In December, it is snowing for 7.9 days. Throughout December, 1.54" (39mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

How many hours of daylight does New Boston have in December?

The average day length in December is 9h and 10min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:43 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:11 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 3.6h.

What is the month with the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index reading in December?

In New Boston, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
New Boston, MI

Average temperature in December - New Boston, MI
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in December: 27.1°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
New Boston, MI

Average pressure in December - New Boston, MI
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
New Boston, MI

Average wind speed in December - New Boston, MI
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in December
New Boston, MI

Average humidity in December - New Boston, MI
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and October (75%).

Average rainfall in December
New Boston, MI

Average rainfall in December - New Boston, MI
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is December (1.14").

Average rainfall days in December
New Boston, MI

Average rainfall days in December - New Boston, MI
  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in December
New Boston, MI

Average snowfall in December - New Boston, MI
  • Average snowfall in December: 1.54"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
New Boston, MI

Average snowfall days in December - New Boston, MI
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
New Boston, MI

Average daylight in December / Average sunshine in December - New Boston, MI
  • 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: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
New Boston, MI

Average sunshine days in December - New Boston, MI
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in December
New Boston, MI

Average UV index in December - New Boston, MI
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
New Boston, MI

Average cloud cover in December - New Boston, MI
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
New Boston, MI

Average visibility in December - New Boston, MI
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

New Boston, Michigan, USA

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