July weather forecastOraville, IL

July

Weather in July

July is a hot summer month in Oraville, Illinois, with an average temperature fluctuating between 87.4°F (30.8°C) and 68.7°F (20.4°C).

Temperature

July, characterized by an average high temperature of 87.4°F (30.8°C) and a low temperature of 68.7°F (20.4°C), is generally the warmest month.

Heat index

July's heat index is calculated to be a fiery hot 102.2°F (39°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The average relative humidity in July is 77%.

Rainfall

In July, the rain falls for 16.8 days. Throughout July, 3.11" (79mm) of precipitation is accumulated. In Oraville, during the entire year, the rain falls for 158.6 days and collects up to 34.69" (881mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Oraville, the average length of the day in July is 14h and 29min.
On the first day of July, sunrise is at 5:39 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:07 pm CDT.

Sunshine

In July, the average sunshine is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 6 suggests this advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

July is the month when Oraville's temperatures reach their peak, with averages of 87.4°F (30.8°C) and lows of 68.7°F (20.4°C).

In Oraville, 87.4°F (30.8°C) is the average high-temperature and 68.7°F (20.4°C) is the average low-temperature during July. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in July is calculated to be 102.2°F (39°C).

In July, the average relative humidity is 77%.

In Oraville, in July, it is raining for 16.8 days, with typically 3.11" (79mm) of accumulated precipitation.

In Oraville, Illinois, snow does not fall in May through September.

The average day length in July is 14h and 29min.

On the first day of July, sunrise is at 5:39 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:07 pm CDT.

In July, the average sunshine duration is 10.5h.

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

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Oraville, IL

  • Average high temperature in July: 87.4°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in July: 68.7°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in July
Oraville, IL

  • Average pressure in July: 29.98"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).

Average wind speed in July
Oraville, IL

  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in July
Oraville, IL

  • Average humidity in July: 77%

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

Average rainfall in July
Oraville, IL

  • Average rainfall in July: 3.11"

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in July
Oraville, IL

  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in July
Oraville, IL

  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Oraville, IL

  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and February (4.8 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
Oraville, IL

  • Average daylight in July: 14h and 30min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 10h and 30min

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).

Average sunshine days in July
Oraville, IL

  • Average sunshine days in July: 11.7 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in July
Oraville, 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, November and December (UV index 2).

Average cloud cover in July
Oraville, IL

  • Average cloud cover in July: 29

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in July
Oraville, 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).