January weather forecast
Custar, OH

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Weather in January

January, the same as December, in Custar, Ohio, is a freezing cold winter month, with an average temperature varying between 30.7°F (-0.7°C) and 19.2°F (-7.1°C).

Temperature

January is the coldest month, exhibiting average temperatures of 30.7°F (-0.7°C) at the peak and 19.2°F (-7.1°C) at the base.

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 84%.

Rainfall

In Custar, in January, it is raining for 9.2 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 170.7 rainfall days, and 28.39" (721mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Custar, during January, snow falls for 14.3 days and regularly aggregates up to 3.86" (98mm) of snow. Throughout the year, there are 52.6 snowfall days, and 15.87" (403mm) of snow is accumulated.

Daylight

In Custar, the average length of the day in January is 9h and 36min.
On the first day of the month, sunrise is at 8:01 am and sunset at 5:16 pm. On the last day of January, in Custar, sunrise is at 7:47 am and sunset at 5:49 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3.4h of sunshine.

UV index

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Custar witnesses the coldest weather in January, with temperatures averaging a high of 30.7°F (-0.7°C) and a low of 19.2°F (-7.1°C).

How cold is January?

In Custar, 30.7°F (-0.7°C) is the average high-temperature and 19.2°F (-7.1°C) is the average low-temperature during January.

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 84%.

What is the average humidity in January?

The average relative humidity in January is 84%.

How much does it rain in January?

In Custar, in January, during 9.2 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

How much does it snow in January?

In January, it is snowing for 14.3 days. Throughout January, 3.86" (98mm) of snow is accumulated.

What is the average length of the day in January?

In Custar, the average day length in January is 9h and 36min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 8:01 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:49 pm EST.

What is the month with the least sunshine in Custar?

January has the least sunshine of the year, with an average of 3.4h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.4h.

What is the UV index reading in January?

In Custar, 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 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 January
Custar, OH

Average temperature in January - Custar, OH
  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in January: 19.2°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in January
Custar, OH

Average pressure in January - Custar, OH
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Custar, OH

Average wind speed in January - Custar, OH
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in January
Custar, OH

Average humidity in January - Custar, OH
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).

Average rainfall in January
Custar, OH

Average rainfall in January - Custar, OH
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is December (1.73").

Average rainfall days in January
Custar, OH

Average rainfall days in January - Custar, OH
  • Average rainfall days in January: 9.2 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.8 days).

Average snowfall in January
Custar, OH

Average snowfall in January - Custar, OH
  • Average snowfall in January: 3.86"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Custar, OH

Average snowfall days in January - Custar, OH
  • Average snowfall days in January: 14.3 days

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Custar, OH

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in January
Custar, OH

Average sunshine days in January - Custar, OH
  • Average sunshine days in January: 10.8 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (8.9 days).

Average UV index in January
Custar, OH

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

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

Average cloud cover in January
Custar, OH

Average cloud cover in January - Custar, OH
  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Custar, OH

Average visibility in January - Custar, OH
  • Average visibility in January: 5mi

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

Custar, Ohio, USA

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