December weather forecast
Carthagena, OH

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Weather in December

The first month of the winter, December, is also an icy month in Carthagena, Ohio, with an average temperature ranging between max 37.6°F (3.1°C) and min 27.3°F (-2.6°C).

Temperature

December's onset brings a slight change in high-temperatures, falling from a frosty 48.4°F (9.1°C) in November to a cold 37.6°F (3.1°C). Nighttime temperature lowers to an average of 27.3°F (-2.6°C) in December.

Humidity

January, February and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In December, the rain falls for 8.2 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Carthagena, during the entire year, the rain falls for 137.8 days and collects up to 19.13" (486mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Carthagena, in December, snow falls for 8.2 days, with typically accumulated 1.57" (40mm) of snow. In Carthagena, during the entire year, snow falls for 37.6 days and aggregates up to 8.15" (207mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:12 pm. On the last day of December, sunrise is at 8:01 am and sunset at 5:21 pm EST.

Sunshine

The average sunshine in December is 3.8h.

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 hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 1 in December translates into these instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

In Carthagena, 37.6°F (3.1°C) is the average high-temperature and 27.3°F (-2.6°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is appraised at 86°F (30°C).

What are the most humid months?

The months with the highest humidity are January, February and December, with an average relative humidity of 83%.

What is the average humidity in December?

In December, the average relative humidity is 83%.

How many days does it rain in December?

In Carthagena, during December, the rain falls for 8.2 days and regularly aggregates up to 1.26" (32mm) of precipitation.

How many days does it snow in December?

In Carthagena, Ohio, in December, during 8.2 snowfall days, 1.57" (40mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 20min.

When are sunrise and sunset in December?

On the first day of December in Carthagena, sunrise is at 7:42 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:21 pm EST.

How long on average sun shines in December?

In Carthagena, the average sunshine duration in December is 3.8h.

When is 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?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from 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
Carthagena, OH

Average temperature in December - Carthagena, OH
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in December
Carthagena, OH

Average pressure in December - Carthagena, OH
  • Average pressure in December: 30.11"Hg

The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Carthagena, OH

Average wind speed in December - Carthagena, OH
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in December
Carthagena, OH

Average humidity in December - Carthagena, OH
  • Average humidity in December: 83%

The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Carthagena, OH

Average rainfall in December - Carthagena, OH
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in December
Carthagena, OH

Average rainfall days in December - Carthagena, OH
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in December
Carthagena, OH

Average snowfall in December - Carthagena, OH
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Carthagena, OH

Average snowfall days in December - Carthagena, OH
  • Average snowfall days in December: 8.2 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
Carthagena, OH

Average daylight in December / Average sunshine in December - Carthagena, OH
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Carthagena, OH

Average sunshine days in December - Carthagena, OH
  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in December
Carthagena, OH

Average UV index in December - Carthagena, OH
  • Average UV index in December: 1

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

Average cloud cover in December
Carthagena, OH

Average cloud cover in December - Carthagena, OH
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Carthagena, OH

Average visibility in December - Carthagena, OH
  • Average visibility in December: 6mi

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

Carthagena, Ohio, USA

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