July weather forecast
Columbus, IN

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Weather in July

July brings the hottest average temperatures to Columbus, Indiana, with a high reaching 83.3°F (28.5°C). The month shares the highest UV Index of the year, rated as ‘high’ at 6, along with June and August. The heat of July coupled with notable humidity and occasional rainstorms forms the quintessential Midwest summer climate. This hot, temperate weather creates perfect conditions for social outdoor activities in the city. Despite having slightly shorter days compared to June, July still offers an ample amount of sunshine to enjoy.

Temperature

Columbus records the warmest temperatures in July, averaging a high of 83.3°F (28.5°C) and a low of 65.5°F (18.6°C).

Heat index

In July, the heat index is appraised at a tropical 93.2°F (34°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

January, February, July and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Columbus, during July, the rain falls for 16.7 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 163.5 rainfall days, and 29.29" (744mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Columbus, the average length of the day in July is 14h and 36min.
On the first day of the month, sunrise is at 6:21 am and sunset at 9:13 pm. On the last day of July, sunrise is at 6:43 am and sunset at 8:56 pm EDT.

Sunshine

With an average of 10.4h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

During the warmest month in Columbus, July, temperatures average a high of 83.3°F (28.5°C) and a low of 65.5°F (18.6°C).

How hot is it in July?

Columbus in July has an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 65.5°F (18.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in July is appraised at 93.2°F (34°C).

What is the most humid month?

January, February, July and December, with an average relative humidity of 81%, are most humid months.

What is the average humidity in July?

The average relative humidity in July is 81%.

How many days does it rain in July?

In Columbus, in July, it is raining for 16.7 days, with typically 2.83" (72mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in July?

The average day length in July is 14h and 36min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 6:21 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 8:56 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.4h of sunshine.

How many hours of sunshine does Columbus have in July?

In Columbus, the average sunshine duration in July is 10.4h.

What is the month with the highest UV index?

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

How high is the UV index in July?

In Columbus, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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, IN

Average temperature in July - Columbus, IN
  • Average high temperature in July: 83.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°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 (22.5°F).

Average pressure in July
Columbus, IN

Average pressure in July - Columbus, IN
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Columbus, IN

Average wind speed in July - Columbus, IN
  • Average wind speed in July: 5.3mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in July
Columbus, IN

Average humidity in July - Columbus, IN
  • Average humidity in July: 81%

The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in July
Columbus, IN

Average rainfall in July - Columbus, IN
  • Average rainfall in July: 2.83"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in July
Columbus, IN

Average rainfall days in July - Columbus, IN
  • Average rainfall days in July: 16.7 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).

Average snowfall in July
Columbus, IN

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

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Columbus, IN

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

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Columbus, IN
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in July
Columbus, IN

Average sunshine days in July - Columbus, IN
  • Average sunshine days in July: 11.3 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in July
Columbus, IN

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

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

Average cloud cover in July
Columbus, IN

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in July
Columbus, IN

Average visibility in July - Columbus, IN
  • Average visibility in July: 5mi

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

Columbus, Indiana, USA

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