July weather forecastColumbus, OH

July
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 is the warmest month of the year, registering average temperatures as high as 83.1°F (28.4°C) and as low as 65.5°F (18.6°C).Heat index
The heat index value during July is estimated at a hot 89.6°F (32°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance 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. 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 14h and 41min.On the first day of July in Columbus, sunrise is at 6:07 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:46 pm EDT.
Sunshine
In July, the average sunshine 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 reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 6 in July leads to these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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: 2.64"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.69").
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: 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").
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).
Average daylight in July /
Average sunshine in July
Columbus, OH
- Average daylight in July: 14h and 42min
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 18min
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).
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
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
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: 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).





