January weather forecast
Harbor, OH

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Weather in January

January, the same as December, in Harbor, Ohio, is another subzero cold winter month, with an average temperature fluctuating between 21°F (-6.1°C) and 30.6°F (-0.8°C).

Temperature

Harbor's January weather, marked by an average high temperature of 30.6°F (-0.8°C) and an average low temperature of 21°F (-6.1°C), is the coldest in the year.

Humidity

In Harbor, the average relative humidity in January is 86%.

Rainfall

In Harbor, Ohio, in January, during 7.9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 181 rainfall days, and 36.34" (923mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall in Harbor. Snow falls for 18.4 days and accumulates 6.69" (170mm) of snow.

Daylight

The average length of the day in January is 9h and 33min.
On the first day of the month, sunrise is at 7:50 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:36 pm EST.

Sunshine

With an average of 2.5h of sunshine, January has the least sunshine of the year.

UV index

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest time of the year is January, with temperatures averaging a high of 30.6°F (-0.8°C) and a low of 21°F (-6.1°C).

How cold is it in January?

An average high-temperature, in January, in Harbor, is 30.6°F (-0.8°C) and the average low-temperature is 21°F (-6.1°C).

What is the average humidity in January in Harbor?

The average relative humidity in January is 86%.

How much does it rain in January?

In Harbor, in January, during 7.9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 18.4 days and typically aggregates up to 6.69" (170mm) of snow.

How many days does it snow in January?

In Harbor, during January, snow falls for 18.4 days and regularly aggregates up to 6.69" (170mm) of snow.

How many hours of daylight does Harbor have in January?

The average day length in January is 9h and 33min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:50 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:36 pm EST.

What is the month with the least sunshine?

With an average of 2.5h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

In January, the average sunshine duration is 2.5h.

What is the UV index reading in January in Harbor?

In January, the average daily maximum UV index in Harbor is 2. A UV Index value of 2, and less, symbolizes a low health risk 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 January
Harbor, OH

Average temperature in January - Harbor, OH
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 21°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in January
Harbor, OH

Average pressure in January - Harbor, OH
  • Average pressure in January: 30.09"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
Harbor, OH

Average wind speed in January - Harbor, OH
  • Average wind speed in January: 11.4mph

The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in January
Harbor, OH

Average humidity in January - Harbor, OH
  • Average humidity in January: 86%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July, August and September (78%).

Average rainfall in January
Harbor, OH

Average rainfall in January - Harbor, OH
  • Average rainfall in January: 2.68"

The wettest month (with the highest rainfall) is June (3.94").
The driest months (with the least rainfall) are February and November (2.4").

Average rainfall days in January
Harbor, OH

Average rainfall days in January - Harbor, OH
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in January
Harbor, OH

Average snowfall in January - Harbor, OH
  • Average snowfall in January: 6.69"

The month with the highest snowfall is January (6.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Harbor, OH

Average snowfall days in January - Harbor, OH
  • Average snowfall days in January: 18.4 days

The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Harbor, OH
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 2h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in January
Harbor, OH

Average sunshine days in January - Harbor, OH
  • Average sunshine days in January: 5.9 days

The month with the most sunshine days is September (11 days).
The month with the least sunshine days is January (5.9 days).

Average UV index in January
Harbor, OH

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

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

Average cloud cover in January
Harbor, OH

Average cloud cover in January - Harbor, OH
  • Average cloud cover in January: 75

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in January
Harbor, OH

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

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

Harbor, Ohio, USA

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