January weather forecastGahanna, OH

January

Weather in January

January, like December, in Gahanna, Ohio, is an icy winter month, with an average temperature fluctuating between 33.4°F (0.8°C) and 21.6°F (-5.8°C).

Temperature

Gahanna witnesses the coldest weather in January, with temperatures averaging a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).

Humidity

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

Rainfall

In Gahanna, in January, during 7.3 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Gahanna, during the entire year, the rain falls for 139.3 days and collects up to 20.31" (516mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In January, it is snowing for 7.9 days. Throughout January, 1.5" (38mm) of snow is accumulated. Throughout the year, there are 25.8 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 43min.
On the first day of the month, sunrise is at 7:53 am and sunset at 5:16 pm. On the last day of January, sunrise is at 7:40 am and sunset at 5:48 pm EST.

Sunshine

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

UV index

The months with the lowest UV index in Gahanna are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In January, the maximum UV index of 2 suggests this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Gahanna experiences its average lowest temperatures in January, reaching a peak of 33.4°F (0.8°C) and a minimum of 21.6°F (-5.8°C).

The average high-temperature, in January, in Gahanna, is 33.4°F (0.8°C), while the average low-temperature is 21.6°F (-5.8°C).

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

In Gahanna, the average relative humidity in January is 82%.

In Gahanna, in January, during 7.3 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

In Gahanna, during January, snow falls for 7.9 days and regularly aggregates up to 1.5" (38mm) of snow.

In Gahanna, the average day length in January is 9h and 43min.

On the first day of January, sunrise is at 7:53 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:48 pm EST.

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

In Gahanna, the average sunshine duration in January is 3.5h.

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

The average daily maximum UV index in January in Gahanna is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Gahanna, OH

  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in January
Gahanna, OH

  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Gahanna, OH

  • Average wind speed in January: 9.5mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in January
Gahanna, OH

  • Average humidity in January: 82%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April, October and November (74%).

Average rainfall in January
Gahanna, OH

  • Average rainfall in January: 1.3"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is September (1.02").

Average rainfall days in January
Gahanna, OH

  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in January
Gahanna, OH

  • Average snowfall in January: 1.5"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Gahanna, OH

  • Average snowfall days in January: 7.9 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in January: 9h and 42min

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 24min).

  • Average sunshine in January: 3h and 30min

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

Average sunshine days in January
Gahanna, OH

  • Average sunshine days in January: 17.1 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in January
Gahanna, OH

  • Average UV index in January: 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 January
Gahanna, OH

  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in January
Gahanna, OH

  • Average visibility in January: 6mi

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