December weather forecast
Tom Corwin, OH

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Weather in December

The first month of the winter, December, is also an icy month in Tom Corwin, Ohio, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 41.9°F (5.5°C).

Temperature

The start of December involves a temperature drop, moving from a cool 51.6°F (10.9°C) in November to a wintry 41.9°F (5.5°C). The nighttime temperature dips to a freezing cold 30.9°F (-0.6°C) on average during December.

Humidity

January, February and December, with an average relative humidity of 82%, are the most humid months.

Rainfall

In Tom Corwin, in December, it is raining for 11.2 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 161.8 rainfall days, and 30.83" (783mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 7.8 days. Throughout December, 2.01" (51mm) of snow is accumulated. In Tom Corwin, during the entire year, snow falls for 35.8 days and aggregates up to 12.28" (312mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:31 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:17 pm EST.

Sunshine

In December, the average sunshine is 4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In December, the average high-temperature and low-temperature are 41.9°F (5.5°C) and 30.9°F (-0.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 93.2°F (34°C).

What are the most humid months?

The months with the highest humidity are January, February and December, with an average relative humidity of 82%.

What is the average humidity in December?

The average relative humidity in December is 82%.

How many days does it rain in December?

In Tom Corwin, during December, the rain falls for 11.2 days and regularly aggregates up to 2.95" (75mm) of precipitation.

How much does it snow in December?

In Tom Corwin, during December, snow falls for 7.8 days and regularly aggregates up to 2.01" (51mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 29min.

When are sunrise and sunset in December in Tom Corwin?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:17 pm EST.

How long on average sun shines in December?

In Tom Corwin, the average sunshine duration in December is 4h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Tom Corwin, OH

Average temperature in December - Tom Corwin, OH
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Tom Corwin, OH

Average pressure in December - Tom Corwin, 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
Tom Corwin, OH

Average wind speed in December - Tom Corwin, OH
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Tom Corwin, OH

Average humidity in December - Tom Corwin, OH
  • Average humidity in December: 82%

The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
Tom Corwin, OH

Average rainfall in December - Tom Corwin, OH
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is October (1.97").

Average rainfall days in December
Tom Corwin, OH

Average rainfall days in December - Tom Corwin, OH
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Tom Corwin, OH

Average snowfall in December - Tom Corwin, OH
  • Average snowfall in December: 2.01"

The month with the highest snowfall is January (3.39").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Tom Corwin, OH

Average snowfall days in December - Tom Corwin, OH
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Tom Corwin, OH

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in December
Tom Corwin, OH

Average sunshine days in December - Tom Corwin, OH
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in December
Tom Corwin, OH

Average UV index in December - Tom Corwin, 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
Tom Corwin, OH

Average cloud cover in December - Tom Corwin, OH
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Tom Corwin, OH

Average visibility in December - Tom Corwin, OH
  • Average visibility in December: 5mi

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

Tom Corwin, Ohio, USA

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