July weather forecast
Pomona, IL

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Weather in July

July is a tropical summer month in Pomona, Illinois, with an average temperature ranging between min 68.7°F (20.4°C) and max 87.4°F (30.8°C).

Temperature

In Pomona, July records the highest average temperatures, peaking at 87.4°F (30.8°C) and reaching a low of 68.7°F (20.4°C).

Heat index

For most parts of July, the heat index is evaluated at a torrid 102.2°F (39°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in July is 77%.

Rainfall

In Pomona, Illinois, in July, during 16.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Pomona, 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 in Pomona.

Daylight

The average length of the day in July in Pomona is 14h and 28min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:22 pm. On the last day of July, sunrise is at 6:01 am and sunset at 8:06 pm CDT.

Sunshine

The average sunshine in July 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 estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In July, a regular UV index of 6 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What month is the hottest in Pomona?

July, on average, is the warmest month in Pomona, registering a high temperature of 87.4°F (30.8°C) and a low of 68.7°F (20.4°C).

How hot does it get in Pomona in July?

Pomona in July has an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.7°F (20.4°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 102.2°F (39°C).

What is the average humidity in July in Pomona?

In July, the average relative humidity in Pomona is 77%.

How much does it rain in Pomona in July?

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

When it does not snow in Pomona?

May through September are months without snowfall.

How many hours of daylight does Pomona have in July?

In Pomona, the average day length in July is 14h and 28min.

When are sunrise and sunset in July in Pomona?

On the first day of July in Pomona, sunrise is at 5:39 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:06 pm CDT.

How many hours of sunshine does Pomona have in July?

In Pomona, the average sunshine duration in July is 10.5h.

When is the highest UV index in Pomona?

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

What is the UV index reading in July in Pomona?

In July, the average daily maximum UV index in Pomona, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Pomona, IL

Average temperature in July - Pomona, 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).

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Average pressure in July
Pomona, IL

Average pressure in July - Pomona, 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).

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Average wind speed in July
Pomona, IL

Average wind speed in July - Pomona, 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).

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Average humidity in July
Pomona, IL

Average humidity in July - Pomona, 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%).

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Average rainfall in July
Pomona, IL

Average rainfall in July - Pomona, 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").

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Average rainfall days in July
Pomona, IL

Average rainfall days in July - Pomona, 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).

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Average snowfall in July
Pomona, IL

Average snowfall in July - Pomona, 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").

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Average snowfall days in July
Pomona, IL

Average snowfall days in July - Pomona, 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).

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

Average daylight in July / Average sunshine in July - Pomona, IL
  • Average daylight in July: 14h and 3min

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 3min

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).

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Average sunshine days in July
Pomona, IL

Average sunshine days in July - Pomona, 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).

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Average UV index in July
Pomona, IL

Average UV index in July - Pomona, 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).

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Average cloud cover in July
Pomona, IL

Average cloud cover in July - Pomona, 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).

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Average visibility in July
Pomona, IL

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

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