July weather forecast and climate
Columbus, OH

An evening autumn view of the cityscape of Columbus, Ohio
An evening autumn view of the cityscape of Columbus, Ohio

Weather in July

July, the same as June, is another warm summer month in Columbus, Ohio, with average temperature fluctuating between 83.1°F (28.4°C) and 65.5°F (18.6°C).

Temperature

July is the warmest month, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 65.5°F (18.6°C).

Heat index

The average heat index in July is calculated to a tropical 90.1°F (32.3°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like clothing, metabolic differences, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Columbus, Ohio, is 75%.

Rainfall

In July, in Columbus, the rain falls for 17.8 days. Throughout July, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 164.3 rainfall days, and 30.55" (776mm) of precipitation is accumulated.

Snowfall

In Columbus snow does not fall in May through September.

Daylight

The average length of the day in July is 14.7h.

Sunshine

The average sunshine is 10.3h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Columbus?

With an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 65.5°F (18.6°C), July is the warmest month in Columbus.

What is the temperature in July in Columbus?

In July, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 65.5°F (18.6°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, is calculated to 90.1°F (32.3°C).

What is the average humidity in July in Columbus?

In Columbus, Ohio, the average relative humidity in July is 75%.

How many days does it rain in July in Columbus?

In Columbus, in July, during 17.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow in Columbus?

May through September are months without snowfall.

What is the average length of the day in July in Columbus?

The average length of the day in July is 14.7h.

How long on average sun shines in July in Columbus?

In July, the average sunshine in Columbus is 10.3h.

What are the months with the highest UV index in Columbus?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Columbus.

What is the UV index intensity in July in Columbus?

In Columbus, Ohio, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in July
Columbus, OH

Average temperature in July - Columbus, OH
  • Average high temperature in July: 83.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in July: 65.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in July
Columbus, OH

Average pressure in July - Columbus, OH
  • Average pressure in July: 29.97"

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

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Average wind speed in July
Columbus, OH

Average wind speed in July - Columbus, OH
  • Average wind speed in July: 5.6mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in July
Columbus, OH

Average humidity in July - Columbus, OH
  • Average humidity in July: 75%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in July
Columbus, OH

Average rainfall in July - Columbus, OH
  • Average rainfall in July: 2.64"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in July
Columbus, OH

Average rainfall days in July - Columbus, OH
  • Average rainfall days in July: 17.8 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall in July
Columbus, OH

Average snowfall in July - Columbus, OH
  • Average snowfall in July: 0"

The month with the highest snowfall is February (3.31").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Columbus, OH

Average snowfall days in July - Columbus, OH
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (12.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Columbus, OH

Average daylight in July / Average sunshine in July - Columbus, OH
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in July: 10.3h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days in July
Columbus, OH

Average sunshine days in July - Columbus, OH
  • Average sunshine days in July: 10.9 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in July
Columbus, OH

Average UV index in July - Columbus, OH
  • Average UV index in July: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
Columbus, OH

Average cloud cover in July - Columbus, OH
  • Average cloud cover in July: 32

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

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Average visibility in July
Columbus, OH

Average visibility in July - Columbus, OH
  • Average visibility in July: 6mi

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

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