July weather forecast
Prairie City, IL

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Weather in July

July, like June, in Prairie City, Illinois, is another warm summer month, with an average temperature fluctuating between 82°F (27.8°C) and 64.9°F (18.3°C).

Temperature

In Prairie City, Illinois, the month of July registers the highest temperatures, averaging 82°F (27.8°C) at the peak and 64.9°F (18.3°C) at the lowest.

Heat index

The heat index in July is estimated at a tropical 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. 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. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

With an average relative humidity of 84%, July is the most humid month.

Rainfall

In Prairie City, Illinois, in July, during 14.4 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Prairie City, there are 126 rainfall days, and 14.45" (367mm) of precipitation is accumulated.

Snowfall

In Prairie City, snow does not fall in May through September.

Daylight

The average length of the day in July in Prairie City is 14h and 44min.
On the first day of the month, sunrise is at 5:35 am and sunset at 8:36 pm. On the last day of July, in Prairie City, Illinois, sunrise is at 5:58 am and sunset at 8:17 pm CDT.

Sunshine

The months with the most sunshine in Prairie City, Illinois, are June and July, with an average of 10.1h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Prairie City. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Prairie City?

The month of July, characterized by an average high of 82°F (27.8°C) and a low of 64.9°F (18.3°C), is recognized as the warmest in Prairie City.

What is the temperature in July in Prairie City?

In Prairie City, in July, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in July is estimated at 89.6°F (32°C).

What is the most humid month in Prairie City?

With an average relative humidity of 84%, July is the most humid month in Prairie City, Illinois.

What is the average humidity in July in Prairie City?

In July, the average relative humidity in Prairie City, Illinois, is 84%.

How much does it rain in Prairie City in July?

In July, the rain falls for 14.4 days. Throughout July, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Prairie City?

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

How many hours of daylight does Prairie City have in July?

In Prairie City, Illinois, the average day length in July is 14h and 44min.

When are sunrise and sunset in July in Prairie City?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 8:36 pm. On the last day of the month, in Prairie City, Illinois, sunrise is at 5:58 am and sunset at 8:17 pm CDT.

What are the months with the most sunshine in Prairie City?

June and July, with an average of 10.1h of sunshine, are months with the most sunshine.

How long on average sun shines in July in Prairie City?

In Prairie City, the average sunshine duration in July is 10.1h.

What are the months with the highest UV index in Prairie City?

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

What is the UV index reading in July in Prairie City?

The average daily maximum UV index in July in Prairie City is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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
Prairie City, IL

Average temperature in July - Prairie City, IL
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.8°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 (17.8°F).

Average pressure in July
Prairie City, IL

Average pressure in July - Prairie City, IL
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in July
Prairie City, IL

Average wind speed in July - Prairie City, IL
  • Average wind speed in July: 6.7mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in July
Prairie City, IL

Average humidity in July - Prairie City, IL
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in July
Prairie City, IL

Average rainfall in July - Prairie City, IL
  • Average rainfall in July: 1.54"

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.59").

Average rainfall days in July
Prairie City, IL

Average rainfall days in July - Prairie City, IL
  • Average rainfall days in July: 14.4 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in July
Prairie City, IL

Average snowfall in July - Prairie City, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Prairie City, IL

Average snowfall days in July - Prairie City, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (10.3 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
Prairie City, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in July
Prairie City, IL

Average sunshine days in July - Prairie City, IL
  • Average sunshine days in July: 11.2 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.2 days).

Average UV index in July
Prairie City, IL

Average UV index in July - Prairie City, 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).

Average cloud cover in July
Prairie City, IL

Average cloud cover in July - Prairie City, IL
  • Average cloud cover in July: 31

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

Average visibility in July
Prairie City, IL

Average visibility in July - Prairie City, IL
  • Average visibility in July: 5mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

Prairie City, Illinois, USA

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