July weather forecast
Evansville, IL

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Weather in July

July in Evansville, Illinois, is a hot summer month, with an average temperature varying between 87.3°F (30.7°C) and 68.5°F (20.3°C).

Temperature

July stands out as Evansville's warmest month, with temperatures ranging between an average high of 87.3°F (30.7°C) and a low of 68.5°F (20.3°C).

Heat index

The heat index value for July is calculated to be a torrid 102.2°F (39°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Evansville, the average relative humidity in July is 78%.

Rainfall

In July, in Evansville, the rain falls for 16.2 days. Throughout July, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 138.9 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

In Evansville, snow does not fall in April through October.

Daylight

In Evansville, the average length of the day in July is 14h and 30min.
On the first day of July, sunrise is at 5:40 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:09 pm CDT.

Sunshine

The average sunshine in July is 10.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during July leads to these advisories:
Shun overexposure. Protection from sun ravages is indispensable. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What time of the year is the hottest in Evansville?

July is the month when Evansville sees the average highest temperatures, with a high of 87.3°F (30.7°C) and a low of 68.5°F (20.3°C).

How hot is it in Evansville in July?

The high-temperature, in July, in Evansville, is 87.3°F (30.7°C), while the low-temperature averages to 68.5°F (20.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is calculated to be 102.2°F (39°C).

What is the average humidity in July in Evansville?

The average relative humidity in July is 78%.

How much does it rain in Evansville in July?

In Evansville, in July, during 16.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow in Evansville?

In Evansville, Illinois, snow does not fall in April through October.

How many hours of daylight does Evansville have in July?

In July, the average day length is 14h and 30min.

When is the sunrise / sunset in July in Evansville?

In July, on the first day of the month, sunrise is at 5:40 am and sunset at 8:26 pm. On the last day of the month, in Evansville, Illinois, sunrise is at 6:02 am and sunset at 8:09 pm CDT.

How long on average sun shines in July in Evansville?

In Evansville, the average sunshine duration in July is 10.5h.

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

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

How high is the UV index in July in Evansville?

In July, the average daily maximum UV index in Evansville is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Evansville, IL

Average temperature in July - Evansville, IL
  • Average high temperature in July: 87.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in July: 68.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in July
Evansville, IL

Average pressure in July - Evansville, IL
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
Evansville, IL

Average wind speed in July - Evansville, IL
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in July
Evansville, IL

Average humidity in July - Evansville, IL
  • Average humidity in July: 78%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Evansville, IL

Average rainfall in July - Evansville, IL
  • Average rainfall in July: 2.76"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in July
Evansville, IL

Average rainfall days in July - Evansville, IL
  • Average rainfall days in July: 16.2 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in July
Evansville, IL

Average snowfall in July - Evansville, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
Evansville, IL

Average snowfall days in July - Evansville, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight in July /
Average sunshine in July
Evansville, IL

Average daylight in July / Average sunshine in July - Evansville, IL
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in July
Evansville, IL

Average sunshine days in July - Evansville, IL
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in July
Evansville, IL

Average UV index in July - Evansville, IL
  • 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 and December (UV index 2).

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Average cloud cover in July
Evansville, IL

Average cloud cover in July - Evansville, IL
  • Average cloud cover in July: 28

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in July
Evansville, IL

Average visibility in July - Evansville, IL
  • 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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Evansville, Illinois, USA

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