July weather forecast
Hillview, IL

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Weather in July

July, like June, in Hillview, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 67.1°F (19.5°C) and 84.2°F (29°C).

Temperature

Hillview notes the warmest temperatures in July, with a high average of 84.2°F (29°C) and a low of 67.1°F (19.5°C).

Heat index

In July, the heat index is evaluated at a sweltering 95°F (35°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The most humid month is July, with an average relative humidity of 81%.

Rainfall

In Hillview, Illinois, during July, the rain falls for 14.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Hillview, during the entire year, the rain falls for 127.3 days and collects up to 17.24" (438mm) of precipitation.

Snowfall

In Hillview, Illinois, snow does not fall in May through October.

Daylight

In July, the average length of the day is 14h and 38min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:33 pm. On the last day of July, in Hillview, sunrise is at 6:01 am and sunset at 8:15 pm CDT.

Sunshine

The average sunshine in July in Hillview is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Hillview, Illinois. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the warmest month in Hillview?

The temperatures reach their highest averages in July, with highs of 84.2°F (29°C) and lows of 67.1°F (19.5°C).

How hot is July in Hillview?

July temperatures in Hillview, Illinois, vary between a high-temperature of 84.2°F (29°C) and a low-temperature of 67.1°F (19.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 95°F (35°C).

What is the most humid month in Hillview?

July is the most humid month, with an average relative humidity of 81%.

What is the average humidity in July in Hillview?

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

How much does it rain in Hillview in July?

In Hillview, Illinois, in July, during 14.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow in Hillview?

May through October are months without snowfall in Hillview, Illinois.

What is the average length of the day in July in Hillview?

In Hillview, the average day length in July is 14h and 38min.

When are sunrise and sunset in July in Hillview?

In July, on the first day of the month, sunrise is at 5:39 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:15 pm CDT.

How long on average sun shines in July in Hillview?

In Hillview, Illinois, the average sunshine duration in July is 10.1h.

When is the highest UV index in Hillview?

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

What is the UV index reading in July in Hillview?

The average daily maximum UV index in July in Hillview, Illinois, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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
Hillview, IL

Average temperature in July - Hillview, IL
  • Average high temperature in July: 84.2°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in July: 67.1°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in July
Hillview, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in July
Hillview, IL

Average wind speed in July - Hillview, IL
  • Average wind speed in July: 5.9mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average humidity in July
Hillview, IL

Average humidity in July - Hillview, IL
  • Average humidity in July: 81%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Hillview, IL

Average rainfall in July - Hillview, IL
  • Average rainfall in July: 1.65"

The wettest month (with the highest rainfall) is June (2.44").
The driest months (with the least rainfall) are January and November (0.83").

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Average rainfall days in July
Hillview, IL

Average rainfall days in July - Hillview, IL
  • Average rainfall days in July: 14.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in July
Hillview, IL

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

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Hillview, IL

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

The month with the highest number of snowfall days is January (7.2 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
Hillview, IL

Average daylight in July / Average sunshine in July - Hillview, IL
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
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 June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in July
Hillview, IL

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

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in July
Hillview, IL

Average UV index in July - Hillview, IL
  • Average UV index in July: 6

The months with the highest UV index are 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
Hillview, IL

Average cloud cover in July - Hillview, IL
  • Average cloud cover in July: 30

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in July
Hillview, IL

Average visibility in July - Hillview, 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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Hillview, Illinois, USA

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