July weather forecast
Sunny Hill, IL

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Weather in July

July, like June, in Sunny Hill, Illinois, is another warm summer month, with an average temperature fluctuating between 81.5°F (27.5°C) and 64.9°F (18.3°C).

Temperature

Sunny Hill's temperatures tend to reach their peak averages in July, with a high of 81.5°F (27.5°C) and a low of 64.9°F (18.3°C).

Heat index

The average heat index in July is calculated to be a hot 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Note that heat index values are valued for light wind and location in the shade. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The months with the highest humidity in Sunny Hill are January and July, with an average relative humidity of 83%.

Rainfall

In Sunny Hill, during July, the rain falls for 15.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 143.6 rainfall days, and 27.99" (711mm) of precipitation is accumulated.

Snowfall

In Sunny Hill, snow does not fall in May through September.

Daylight

The average length of the day in July is 14h and 49min.
On the first day of July, sunrise is at 5:32 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:19 pm CDT.

Sunshine

With an average of 10.2h of sunshine, July has the most sunshine of the year.

UV index

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 6 in July translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

July is the month when Sunny Hill's temperatures reach their peak, with averages of 81.5°F (27.5°C) and lows of 64.9°F (18.3°C).

What are the temperatures in July?

The high-temperature during July is 81.5°F (27.5°C) and the low-temperature is 64.9°F (18.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What are the most humid months?

January and July, with an average relative humidity of 83%, are most humid months.

What is the average humidity in July?

In July, the average relative humidity is 83%.

How many days does it rain in July?

In July, the rain falls for 15.4 days. Throughout July, 2.83" (72mm) of precipitation is accumulated.

When it does not snow?

In Sunny Hill, snow does not fall in May through September.

What is the average length of the day in July in Sunny Hill?

In July, the average day length is 14h and 49min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:32 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:19 pm CDT.

What month has the most sunshine in Sunny Hill?

With an average of 10.2h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In Sunny Hill, the average sunshine duration in July is 10.2h.

When is the highest UV index?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the UV index reading in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Sunny Hill, IL

Average temperature in July - Sunny Hill, IL
  • 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 (28.4°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 (16.2°F).

Average pressure in July
Sunny Hill, IL

Average pressure in July - Sunny Hill, IL
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in July
Sunny Hill, IL

Average wind speed in July - Sunny Hill, IL
  • Average wind speed in July: 6.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in July
Sunny Hill, IL

Average humidity in July - Sunny Hill, IL
  • Average humidity in July: 83%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
Sunny Hill, IL

Average rainfall in July - Sunny Hill, IL
  • Average rainfall in July: 2.83"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is December (1.26").

Average rainfall days in July
Sunny Hill, IL

Average rainfall days in July - Sunny Hill, IL
  • Average rainfall days in July: 15.4 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).

Average snowfall in July
Sunny Hill, IL

Average snowfall in July - Sunny Hill, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Sunny Hill, IL

Average snowfall days in July - Sunny Hill, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in July /
Average sunshine in July
Sunny Hill, IL

Average daylight in July / Average sunshine in July - Sunny Hill, IL
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Sunny Hill, IL

Average sunshine days in July - Sunny Hill, IL
  • Average sunshine days in July: 12.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in July
Sunny Hill, IL

Average UV index in July - Sunny Hill, IL
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in July
Sunny Hill, IL

Average cloud cover in July - Sunny Hill, IL
  • Average cloud cover in July: 30

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in July
Sunny Hill, IL

Average visibility in July - Sunny Hill, 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).

Sunny Hill, Illinois, USA

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