December weather forecast
New Boston, OH

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Weather in December

December, the first month of the winter in New Boston, is also a frosty month, with temperature in the range of an average high of 43°F (6.1°C) and an average low of 31.3°F (-0.4°C).

Temperature

As November transitions to December, the average high-temperature falls from a fresh 52.3°F (11.3°C) to a chilly 43°F (6.1°C). In December, the temperature drops to an average of 31.3°F (-0.4°C) at night.

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. Throughout the year, in New Boston, there are 166.6 rainfall days, and 32.2" (818mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In New Boston, in December, snow falls for 5.2 days, with typically accumulated 1.77" (45mm) of snow. In New Boston, during the entire year, snow falls for 27.7 days and aggregates up to 9.13" (232mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December in New Boston, sunrise is at 7:31 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:20 pm EST.

Sunshine

The average sunshine in December is 4.2h.

UV index

The months with the lowest UV index in New Boston are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To cut down UV radiation exposure by about half, sport a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in New Boston during December?

December temperatures in New Boston, Ohio, vary between a high-temperature of 43°F (6.1°C) and a low-temperature of 31.3°F (-0.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 95°F (35°C).

What is the most humid month in New Boston?

February and December, with an average relative humidity of 81%, are most humid months in New Boston, Ohio.

What is the average humidity in December in New Boston?

In New Boston, the average relative humidity in December is 81%.

How many days does it rain in December in New Boston?

In New Boston, in December, during 11.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

How many days does it snow in December in New Boston?

In New Boston, Ohio, in December, during 5.2 snowfall days, 1.77" (45mm) of snow is typically accumulated.

What is the month with the shortest days in New Boston?

The month with the shortest days in New Boston, Ohio, is December, with an average of 9h and 30min of daylight.

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

The average day length in December in New Boston, Ohio, is 9h and 31min.

When is the sunrise / sunset in December in New Boston?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:10 pm. On the last day of the month, in New Boston, Ohio, sunrise is at 7:49 am and sunset at 5:20 pm EST.

How long on average sun shines in December in New Boston?

In December, the average sunshine duration in New Boston is 4.2h.

When is the lowest UV index in New Boston?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in New Boston?

The average daily maximum UV index in December in New Boston, Ohio, is 2. A UV Index estimate of 2, and below, represents a low health threat 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, OH

Average temperature in December - New Boston, OH
  • Average high temperature in December: 43°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
New Boston, OH

Average pressure in December - New Boston, OH
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
New Boston, OH

Average wind speed in December - New Boston, OH
  • Average wind speed in December: 6.8mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
New Boston, OH

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

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
New Boston, OH

Average rainfall in December - New Boston, OH
  • Average rainfall in December: 2.99"

The wettest months (with the highest rainfall) are April and May (3.39").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
New Boston, OH

Average rainfall days in December - New Boston, OH
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in December
New Boston, OH

Average snowfall in December - New Boston, OH
  • Average snowfall in December: 1.77"

The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
New Boston, OH

Average snowfall days in December - New Boston, OH
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - New Boston, OH
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
New Boston, OH

Average sunshine days in December - New Boston, OH
  • Average sunshine days in December: 14.6 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in December
New Boston, OH

Average UV index in December - New Boston, OH
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
New Boston, OH

Average cloud cover in December - New Boston, OH
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
New Boston, OH

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

The months with the highest visibility are March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July, August and September (5mi).

New Boston, Ohio, USA

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