July weather forecast
Columbus, OH

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

Weather in July

July is the warmest month in Columbus, Ohio, with daily highs reaching 83.1°F (28.4°C) and lows at a gentle 65.5°F (18.6°C). Sunshine is aplenty, lasting up to 10.3 hours per day. The averaged rainfall doesn't exceed 2.64" (67mm) and is typically dispersed over 18 days. Despite the light rainfall, the humidity remains high, making it feel much warmer. Stay hydrated as the UV index is at its highest.

Temperature

July registers as the month with the highest average temperatures, reaching 83.1°F (28.4°C) at its peak and 65.5°F (18.6°C) at the lowest.

Heat index

July's average heat index is appraised at a tropical 89.6°F (32°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in July is 75%.

Rainfall

In July, in Columbus, the rain falls for 17.8 days. Throughout July, 2.64" (67mm) of precipitation is accumulated. In Columbus, during the entire year, the rain falls for 164.3 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

In Columbus, snow does not fall in May through September.

Daylight

The average length of the day in July is 14h and 41min.
On the first day of the month, sunrise is at 6:07 am and sunset at 9:04 pm. On the last day of July, in Columbus, sunrise is at 6:30 am and sunset at 8:46 pm EDT.

Sunshine

The average sunshine in July is 10.3h.

UV index

The 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 risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 6 in July translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the hottest time of year in Columbus?

In Columbus, the peak temperatures are generally noted in July, averaging a high of 83.1°F (28.4°C) and a low of 65.5°F (18.6°C).

Is it hot in Columbus during July?

In Columbus, 83.1°F (28.4°C) is the average high-temperature and 65.5°F (18.6°C) is the average low-temperature during July. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 89.6°F (32°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, Ohio, during July, the rain falls for 17.8 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow in Columbus?

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

How many hours of daylight does Columbus have in July?

The average day length in July in Columbus, Ohio, is 14h and 41min.

When are sunrise and sunset in July in Columbus?

In July, on the first day of the month, sunrise is at 6:07 am and sunset at 9:04 pm. On the last day of the month, in Columbus, Ohio, sunrise is at 6:30 am and sunset at 8:46 pm EDT.

How long on average sun shines in July in Columbus?

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

What is the month with the highest UV index in Columbus?

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

How high is the UV index in July in Columbus?

In Columbus, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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).

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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").
The 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).
The 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: 14h and 4min

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 July: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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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

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).

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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

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

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Columbus, Ohio, USA

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