December weather forecast
Mills, OH

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Weather in December

The first month of the winter, December, is still a chilly month in Mills, Ohio, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 43.2°F (6.2°C).

Temperature

Stepping into December, Mills observes a temperature decline, with the average high falling from November's fresh 52.5°F (11.4°C) to a frosty 43.2°F (6.2°C). During the month of December, Mills anticipates a mean low-temperature of 31.3°F (-0.4°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Mills, Ohio, during December, the rain falls for 11.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Mills, during the entire year, the rain falls for 149 days and collects up to 16.26" (413mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Mills, during December, snow falls for 6.5 days and regularly aggregates up to 1.1" (28mm) of snow. Throughout the year, there are 34 snowfall days, and 6.06" (154mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:29 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:17 pm EST.

Sunshine

In Mills, the average sunshine in December is 4.1h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

An average high-temperature, in December, in Mills, is 43.2°F (6.2°C) and the average low-temperature is 31.3°F (-0.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 95°F (35°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December?

In Mills, in December, during 11.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 6.5 days. Throughout December, 1.1" (28mm) of snow is accumulated.

What is the month with the shortest days in Mills?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Mills have in December?

The average day length in December is 9h and 30min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:17 pm EST.

How long on average sun shines in December?

In Mills, the average sunshine duration in December is 4.1h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
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
Mills, OH

Average temperature in December - Mills, OH
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (86.5°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
Mills, OH

Average pressure in December - Mills, 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
Mills, OH

Average wind speed in December - Mills, OH
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in December
Mills, OH

Average humidity in December - Mills, OH
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Mills, OH

Average rainfall in December - Mills, OH
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is November (0.83").

Average rainfall days in December
Mills, OH

Average rainfall days in December - Mills, OH
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Mills, OH

Average snowfall in December - Mills, OH
  • Average snowfall in December: 1.1"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Mills, OH

Average snowfall days in December - Mills, OH
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (10.8 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
Mills, OH

Average daylight in December / Average sunshine in December - Mills, 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: 3h and 48min).

Average sunshine days in December
Mills, OH

Average sunshine days in December - Mills, OH
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in December
Mills, OH

Average UV index in December - Mills, 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 and December (UV index 2).

Average cloud cover in December
Mills, OH

Average cloud cover in December - Mills, OH
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Mills, OH

Average visibility in December - Mills, OH
  • Average visibility in December: 5mi

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

Mills, Ohio, USA

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