Cleveland
Ohio, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Cleveland, OH

A view of the Veterans Memorial Bridge on the Cuyahoga River, in Cleveland, Ohio, with a view of the old lift bridge and city buildings out far
A view of the Veterans Memorial Bridge on the Cuyahoga River, in Cleveland, Ohio, with a view of the old lift bridge and city buildings out far
January, the same as December, is a wintry winter month in Cleveland, Ohio, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 34.3°F (1.3°C).

Temperature

January is the coldest month, with an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.7°F (-5.7°C).

Humidity

In January, the average relative humidity in Cleveland is 73.3%.

Rainfall

In January, in Cleveland, the rain falls for 17.1 days. Throughout January, 2.7" (69.1mm) of precipitation is accumulated. Throughout the year, in Cleveland, there are 154.9 rainfall days, and 39.1" (994.1mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January when snow falls for 13.5 days and typically aggregates up to 18.7" (475mm) of snow.

Ocean temperature

In Cleveland, the average seawater temperature is 34°F (1.1°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In January, the average length of the day in Cleveland is 9.6h.

Sunshine

The average sunshine is 3.3h.

UV index

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Cleveland?

With an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.7°F (-5.7°C), January is the coldest month in Cleveland, Ohio.

What is the temperature in January in Cleveland?

The average high-temperature, in January, in Cleveland, is 34.3°F (1.3°C), while the average low-temperature is 21.7°F (-5.7°C).

What is the average humidity in January in Cleveland?

The average relative humidity in January is 73.3%.

How much does it rain in Cleveland in January?

In Cleveland, Ohio, during January, the rain falls for 17.1 days and regularly aggregates up to 2.7" (69.1mm) of precipitation.

How much does it snow in Cleveland in January?

In Cleveland, in January, during 13.5 snowfall days, 18.7" (475mm) of snow is typically accumulated.

When does it snow the most in Cleveland?

The month with the most snowfall in Cleveland, Ohio, is January when snow falls for 13.5 days and typically aggregates up to 18.7" (475mm) of snow.

How cold is the water in January in Cleveland?

In Cleveland, in January, the average water temperature is 34°F (1.1°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in January in Cleveland?

In Cleveland, the average length of the day in January is 9.6h.

How many hours of sunshine does Cleveland have in January?

In Cleveland, Ohio, the average sunshine in January is 3.3h.

How high is the UV index in January in Cleveland?

The average daily maximum UV index in January in Cleveland is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.
Average temperature in January - Cleveland, OH
  • Average high temperature in January: 34.4°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.4°F).

  • Average low temperature in January: 21.7°F

The month with the highest average low temperature is July (64.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average humidity in January - Cleveland, OH
  • Average humidity in January: 73.3%

The month with the highest relative humidity is December (74.1%).
The month with the lowest relative humidity is April (66.1%).

Average rainfall in January - Cleveland, OH
  • Average rainfall in January: 2.7"

The wettest month (with the highest rainfall) is September (3.8").
The driest month (with the lowest rainfall) is February (2.3").

Average rainfall days in January - Cleveland, OH
  • Average rainfall days in January: 17.1 days

The month with the highest number of rainy days is January (17.1 days).
The month with the lowest number of rainy days is August (9.8 days).

Average snowfall in January - Cleveland, OH
  • Average snowfall in January: 18.7"

The month with the highest snowfall is January (18.7").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in January - Cleveland, OH
  • Average snowfall days in January: 13.5 days

The month with the highest number of snowfall days is January (13.5 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature in January - Cleveland, OH
  • Average sea temperature in January: 34°F

The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (33.2°F).

Average daylight in January / Average sunshine in January - Cleveland, OH
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in January: 3.3h

The month with most sunshine is July (Average sunshine: 9.9h).
The month with least sunshine is December (Average sunshine: 2.2h).

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

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).