July weather forecast
Centerville, OH

Weather in July

July, the same as June, is another warm summer month in Centerville, Ohio, with an average temperature varying between 81.5°F (27.5°C) and 64.9°F (18.3°C).

Temperature

July is the warmest month, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 64.9°F (18.3°C).

Heat index

The average heat index in July is estimated at a tropical 87.8°F (31°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With 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', 'felt air temperature', 'feels like', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

The average relative humidity in July is 81%.

Rainfall

In Centerville, during July, the rain falls for 14.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Centerville, during the entire year, the rain falls for 139.3 days and collects up to 19.92" (506mm) of precipitation.

Snowfall

In Centerville, Ohio, snow does not fall in May through September.

Daylight

In July, the average length of the day in Centerville is 14h and 39min.
On the first day of July, sunrise is at 6:12 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:51 pm EDT.

Sunshine

In July, the average sunshine is 10.1h.

UV index

The months with the highest UV index in Centerville are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Centerville?

With an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 64.9°F (18.3°C), July is the warmest month.

What is the temperature in July in Centerville?

The average high-temperature, in July, in Centerville, Ohio, is 81.5°F (27.5°C), while the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is estimated at 87.8°F (31°C).

What is the average humidity in July in Centerville?

In July, the average relative humidity in Centerville, Ohio, is 81%.

How much does it rain in Centerville in July?

In Centerville, Ohio, in July, it is raining for 14.4 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow in Centerville?

May through September are months without snowfall.

How many hours of daylight does Centerville have in July?

In Centerville, Ohio, the average day length in July is 14h and 39min.

What time are sunrise and sunset in July in Centerville?

On the first day of July in Centerville, Ohio, sunrise is at 6:12 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:51 pm EDT.

How long on average sun shines in July in Centerville?

In July, the average sunshine duration is 10.1h.

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

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

How high is the UV index in July in Centerville?

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

Average temperature in July
Centerville, OH

Average temperature in July - Centerville, OH
  • Average high temperature in July: 81.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in July: 64.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in July
Centerville, OH

Average pressure in July - Centerville, OH
  • Average pressure in July: 29.97"Hg

The months with the highest atmospheric pressure are January and 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
Centerville, OH

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

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in July
Centerville, OH

Average humidity in July - Centerville, OH
  • Average humidity in July: 81%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in July
Centerville, OH

Average rainfall in July - Centerville, OH
  • Average rainfall in July: 2.05"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is October (1.18").

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Average rainfall days in July
Centerville, OH

Average rainfall days in July - Centerville, OH
  • Average rainfall days in July: 14.4 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in July
Centerville, OH

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

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Centerville, OH

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

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Centerville, OH
  • Average daylight in July: 14h and 39min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in July: 10h and 6min

The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in July
Centerville, OH

Average sunshine days in July - Centerville, OH
  • Average sunshine days in July: 13.7 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index in July
Centerville, OH

Average UV index in July - Centerville, 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
Centerville, OH

Average cloud cover in July - Centerville, OH
  • Average cloud cover in July: 32

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in July
Centerville, OH

Average visibility in July - Centerville, 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).

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