July weather forecast
Gahanna, OH

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Weather in July

July, like June, in Gahanna, Ohio, is a moderately hot summer month, with an average temperature fluctuating between 64.8°F (18.2°C) and 82.9°F (28.3°C).

Temperature

July, having an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64.8°F (18.2°C), is the warmest month.

Heat index

Throughout July, the heat index is calculated to be a tropical 89.6°F (32°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in July is 76%.

Rainfall

In Gahanna, in July, during 16.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Gahanna, during the entire year, the rain falls for 139.3 days and collects up to 20.31" (516mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in July is 14h and 41min.
On the first day of the month, sunrise is at 6:06 am and sunset at 9:04 pm. On the last day of July, sunrise is at 6:29 am and sunset at 8:46 pm EDT.

Sunshine

The average sunshine in July in Gahanna is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Deflect overexposure. Sun protection is a necessity. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

In Gahanna, the peak average temperatures are observed in July, with a high of 82.9°F (28.3°C) and a low of 64.8°F (18.2°C).

How hot is July?

The high-temperature during July is 82.9°F (28.3°C) and the low-temperature is 64.8°F (18.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 89.6°F (32°C).

What is the average humidity in July?

The average relative humidity in July is 76%.

How much does it rain in July?

In Gahanna, in July, during 16.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in July?

In July, the average day length is 14h and 41min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 6:06 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:46 pm EDT.

How many hours of sunshine does Gahanna have in July?

The average sunshine duration in July is 10.2h.

What are the months with the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July in Gahanna is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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
Gahanna, OH

Average temperature in July - Gahanna, OH
  • Average high temperature in July: 82.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in July: 64.8°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in July
Gahanna, OH

Average pressure in July - Gahanna, 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).

Average wind speed in July
Gahanna, OH

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

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in July
Gahanna, OH

Average humidity in July - Gahanna, OH
  • Average humidity in July: 76%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April, October and November (74%).

Average rainfall in July
Gahanna, OH

Average rainfall in July - Gahanna, OH
  • Average rainfall in July: 2.2"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is September (1.02").

Average rainfall days in July
Gahanna, OH

Average rainfall days in July - Gahanna, OH
  • Average rainfall days in July: 16.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in July
Gahanna, OH

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

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Gahanna, OH

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

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Gahanna, 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 1min

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

Average sunshine days in July
Gahanna, OH

Average sunshine days in July - Gahanna, OH
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in July
Gahanna, OH

Average UV index in July - Gahanna, 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).

Average cloud cover in July
Gahanna, OH

Average cloud cover in July - Gahanna, 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
Gahanna, OH

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

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

Gahanna, Ohio, USA

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