January weather forecast
Carthagena, OH

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Weather in January

January, the same as December, in Carthagena, Ohio, is another subzero cold winter month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 31.6°F (-0.2°C).

Temperature

January is the month that records the lowest temperatures, with averages ranging from a high of 31.6°F (-0.2°C) to a low of 19.9°F (-6.7°C).

Humidity

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

Rainfall

In Carthagena, in January, it is raining for 5.8 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 137.8 rainfall days, and 19.13" (486mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Carthagena, in January, snow falls for 10.3 days, with typically accumulated 1.77" (45mm) of snow. In Carthagena, during the entire year, snow falls for 37.6 days and aggregates up to 8.15" (207mm) of snow.

Daylight

In Carthagena, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 8:01 am and sunset at 5:22 pm. On the last day of January, in Carthagena, sunrise is at 7:48 am and sunset at 5:54 pm EST.

Sunshine

With an average of 3.5h of sunshine, January has the least sunshine of the year.

UV index

In Carthagena, Ohio, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January, with its high-temperature average of 31.6°F (-0.2°C) and a low-temperature average of 19.9°F (-6.7°C), is the coldest month.

How cold is it in January?

In Carthagena, 31.6°F (-0.2°C) is the average high-temperature and 19.9°F (-6.7°C) is the average low-temperature during January.

What are the most humid months?

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

What is the average humidity in January?

The average relative humidity in January is 83%.

How many days does it rain in January?

In Carthagena, during January, the rain falls for 5.8 days and regularly aggregates up to 1.26" (32mm) of precipitation.

How many days does it snow in January?

In Carthagena, in January, snow falls for 10.3 days, with typically accumulated 1.77" (45mm) of snow.

How many hours of daylight does Carthagena have in January?

In Carthagena, the average day length in January is 9h and 41min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:01 am and sunset at 5:22 pm. On the last day of the month, in Carthagena, sunrise is at 7:48 am and sunset at 5:54 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.5h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.5h.

What is the UV index intensity in January?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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 January
Carthagena, OH

Average temperature in January - Carthagena, OH
  • Average high temperature in January: 31.6°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 January: 19.9°F

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

Average pressure in January
Carthagena, OH

Average pressure in January - Carthagena, OH
  • Average pressure in January: 30.12"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 January
Carthagena, OH

Average wind speed in January - Carthagena, OH
  • Average wind speed in January: 10.7mph

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 January
Carthagena, OH

Average humidity in January - Carthagena, OH
  • Average humidity in January: 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 January
Carthagena, OH

Average rainfall in January - Carthagena, OH
  • Average rainfall in January: 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 January
Carthagena, OH

Average rainfall days in January - Carthagena, OH
  • Average rainfall days in January: 5.8 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 January
Carthagena, OH

Average snowfall in January - Carthagena, OH
  • Average snowfall in January: 1.77"

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 January
Carthagena, OH

Average snowfall days in January - Carthagena, OH
  • Average snowfall days in January: 10.3 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 January /
Average sunshine in January
Carthagena, OH

Average daylight in January / Average sunshine in January - Carthagena, OH
  • Average daylight in January: 9h and 4min

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 January: 3h and 3min

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 January
Carthagena, OH

Average sunshine days in January - Carthagena, OH
  • Average sunshine days in January: 16 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 January
Carthagena, OH

Average UV index in January - Carthagena, OH
  • Average UV index in January: 2

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 January
Carthagena, OH

Average cloud cover in January - Carthagena, OH
  • Average cloud cover in January: 64

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 January
Carthagena, OH

Average visibility in January - Carthagena, OH
  • Average visibility in January: 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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