July weather forecast
Phoenix, IL

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Weather in July

July, the same as June, is a moderately hot summer month in Phoenix, Illinois, with an average temperature varying between 81.3°F (27.4°C) and 65.8°F (18.8°C).

Temperature

In Phoenix, the peak temperatures are generally noted in July, averaging a high of 81.3°F (27.4°C) and a low of 65.8°F (18.8°C).

Heat index

The heat index for July is calculated to be a hot 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. 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 particularly relevant to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Phoenix, the average relative humidity in July is 79%.

Rainfall

In July, the rain falls for 17.6 days. Throughout July, 3.31" (84mm) of precipitation is accumulated. Throughout the year, there are 155.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in July is 14h and 50min.
On the first day of July, sunrise is at 5:20 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:09 pm CDT.

Sunshine

In July, the average sunshine is 9.9h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. 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. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 14, 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 warmest month, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 65.8°F (18.8°C).

What is the temperature in July?

In Phoenix, in July, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in July?

In July, the average relative humidity is 79%.

How many days does it rain in July?

In Phoenix, during July, the rain falls for 17.6 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When it does not snow?

In Phoenix, snow does not fall in May through September.

What is the average length of the day in July?

The average day length in July is 14h and 50min.

What time are sunrise and sunset in July in Phoenix?

On the first day of July, sunrise is at 5:20 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:09 pm CDT.

How many hours of sunshine does Phoenix have in July?

The average sunshine duration in July in Phoenix is 9.9h.

What are the months with the highest UV index?

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

How high is the UV index in July?

In Phoenix, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health risk from 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
Phoenix, IL

Average temperature in July - Phoenix, IL
  • Average high temperature in July: 81.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in July: 65.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in July
Phoenix, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Phoenix, IL

Average wind speed in July - Phoenix, IL
  • Average wind speed in July: 6.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in July
Phoenix, IL

Average humidity in July - Phoenix, IL
  • Average humidity in July: 79%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in July
Phoenix, IL

Average rainfall in July - Phoenix, IL
  • Average rainfall in July: 3.31"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in July
Phoenix, IL

Average rainfall days in July - Phoenix, IL
  • Average rainfall days in July: 17.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in July
Phoenix, IL

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

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Phoenix, IL

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

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Phoenix, 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: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in July
Phoenix, IL

Average sunshine days in July - Phoenix, IL
  • Average sunshine days in July: 11.1 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in July
Phoenix, IL

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

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

Average cloud cover in July
Phoenix, IL

Average cloud cover in July - Phoenix, IL
  • Average cloud cover in July: 32

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in July
Phoenix, IL

Average visibility in July - Phoenix, IL
  • Average visibility in July: 6mi

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

Phoenix, Illinois, USA

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