January weather forecastHelena, OH

January

Weather in January

January, the same as December, in Helena, Ohio, is another subzero cold winter month, with an average temperature varying between 19.9°F (-6.7°C) and 30.7°F (-0.7°C).

Temperature

Helena's January weather reaches an average high of 30.7°F (-0.7°C) and an average low of 19.9°F (-6.7°C), making it the coldest month.

Humidity

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

Rainfall

In Helena, in January, during 8.2 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Helena, during the entire year, the rain falls for 163.4 days and collects up to 30.28" (769mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Helena. In January, it is snowing for 12.8 days. Throughout January, 3.31" (84mm) of snow is accumulated. In Helena, during the entire year, snow falls for 45.1 days and aggregates up to 14.02" (356mm) of snow.

Daylight

In Helena, the average length of the day in January is 9h and 36min.
On the first day of January in Helena, sunrise is at 7:59 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:47 pm EST.

Sunshine

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

UV index

In January, the average daily maximum UV index in Helena, Ohio, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Helena experiences its average lowest temperatures in January, reaching a peak of 30.7°F (-0.7°C) and a minimum of 19.9°F (-6.7°C).

In Helena, 30.7°F (-0.7°C) is the average high-temperature and 19.9°F (-6.7°C) is the average low-temperature during January.

January and February, with an average relative humidity of 84%, are most humid months in Helena, Ohio.

In January, the average relative humidity in Helena is 84%.

In January, in Helena, Ohio, the rain falls for 8.2 days. Throughout January, 1.93" (49mm) of precipitation is accumulated.

In Helena, in January, snow falls for 12.8 days, with typically accumulated 3.31" (84mm) of snow.

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

On the first day of January, sunrise is at 7:59 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:47 pm EST.

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

In Helena, the average sunshine duration in January is 3.4h.

The average daily maximum UV index in January in Helena, Ohio, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Helena, OH

  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (30.7°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
Helena, 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
Helena, OH

  • Average wind speed in January: 10.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in January
Helena, 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
Helena, OH

  • Average rainfall in January: 1.93"

The wettest months (with the highest rainfall) are May and June (3.5").
The driest month (with the least rainfall) is February (1.65").

Average rainfall days in January
Helena, OH

  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in January
Helena, OH

  • Average snowfall in January: 3.31"

The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Helena, OH

  • Average snowfall days in January: 12.8 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in January: 9h and 36min

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 12min).

  • Average sunshine in January: 3h and 24min

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
Helena, OH

  • Average sunshine days in January: 11.7 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in January
Helena, OH

  • Average UV index in January: 2

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

Average cloud cover in January
Helena, 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 August (Cloud cover 29).

Average visibility in January
Helena, OH

  • Average visibility in January: 5mi

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