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
July, like June, in Columbus, Ohio, is a moderately hot summer month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 83.1°F (28.4°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 evaluated at a hot 90.1°F (32.3°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, wind, metabolic differences, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

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

Snowfall

May through September are months without snowfall.

Daylight

In Columbus, the average length of the day is 14.7h.

Sunshine

The average sunshine in Columbus is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Columbus. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
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. 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.

What is the warmest month in Columbus?

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

What is the temperature in July in Columbus?

In Columbus, Ohio, 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. 'feels like', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is appraised at 90.1°F (32.3°C).

What is the average humidity in July in Columbus?

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

How much does it rain in Columbus in July?

In Columbus, in July, it is raining for 17.8 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow in Columbus?

May through September are months without snowfall in Columbus, Ohio.

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

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

How long on average sun shines in July in Columbus?

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

When is the highest UV index in Columbus?

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

How high is the UV index in July in Columbus?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in July - Columbus, OH
  • Average high temperature in July: 28.4°C

The warmest month (with the highest average high temperature) is July (28.4°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in July: 18.6°C

The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average pressure in July - Columbus, OH
  • Average pressure in July: 1015mbar

The month with the highest atmospheric pressure is November (1020.6mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in July - Columbus, OH
  • Average wind speed in July: 9km/h

The windiest month (with the highest average wind speed) is January (15.2km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

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%).

Average rainfall in July - Columbus, OH
  • Average rainfall in July: 67mm

The wettest month (with the highest rainfall) is May (92mm).
The driest month (with the least rainfall) is September (43mm).

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).

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

The month with the highest snowfall is February (84mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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).

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).

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).

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).

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).

Average visibility in July - Columbus, OH
  • Average visibility in July: 9km

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January and February (8km).