July weather forecast
Rome, IL

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Weather in July

July, the same as June, is another warm summer month in Rome, Illinois, with an average temperature fluctuating between 64.8°F (18.2°C) and 81.9°F (27.7°C).

Temperature

In Rome, July is the warmest month, with temperatures averaging a high of 81.9°F (27.7°C) and a low of 64.8°F (18.2°C).

Heat index

In July, the average heat index is calculated to be a tropical 89.6°F (32°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

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

Rainfall

In July, the rain falls for 14.3 days. Throughout July, 1.46" (37mm) of precipitation is accumulated. Throughout the year, in Rome, there are 123.4 rainfall days, and 15.12" (384mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in July in Rome is 14h and 46min.
On the first day of July, sunrise is at 5:30 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:14 pm CDT.

Sunshine

In Rome, the average sunshine in July is 9.9h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index in Rome, Illinois. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 6 during July translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Rome?

July tends to be the warmest month in Rome, Illinois, with temperatures averaging a daily high of 81.9°F (27.7°C) and a low of 64.8°F (18.2°C).

What are July temperatures in Rome?

During July, Rome experiences an average high-temperature of 81.9°F (27.7°C) and a low-temperature of 64.8°F (18.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the most humid month in Rome?

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

What is the average humidity in July in Rome?

In Rome, the average relative humidity in July is 84%.

How much does it rain in Rome in July?

In Rome, in July, it is raining for 14.3 days, with typically 1.46" (37mm) of accumulated precipitation.

When it does not snow in Rome?

May through September are months without snowfall in Rome, Illinois.

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

In Rome, Illinois, the average day length in July is 14h and 46min.

What time are sunrise and sunset in July in Rome?

In July, on the first day of the month, sunrise is at 5:30 am and sunset at 8:33 pm. On the last day of the month, in Rome, sunrise is at 5:54 am and sunset at 8:14 pm CDT.

How long on average sun shines in July in Rome?

In July, the average sunshine duration in Rome is 9.9h.

When is the highest UV index in Rome?

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

What is the UV index reading in July in Rome?

In Rome, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Rome, IL

Average temperature in July - Rome, IL
  • Average high temperature in July: 81.9°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in July: 64.8°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in July
Rome, IL

Average pressure in July - Rome, IL
  • Average pressure in July: 29.97"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
Rome, IL

Average wind speed in July - Rome, IL
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in July
Rome, IL

Average humidity in July - Rome, 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
Rome, IL

Average rainfall in July - Rome, IL
  • Average rainfall in July: 1.46"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in July
Rome, IL

Average rainfall days in July - Rome, IL
  • Average rainfall days in July: 14.3 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (4.5 days).

Average snowfall in July
Rome, IL

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

The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Rome, IL

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

The month with the highest number of snowfall days is January (9.2 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
Rome, IL

Average daylight in July / Average sunshine in July - Rome, 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 18min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in July
Rome, IL

Average sunshine days in July - Rome, IL
  • Average sunshine days in July: 13 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.4 days).

Average UV index in July
Rome, IL

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

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

Average cloud cover in July
Rome, IL

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in July
Rome, IL

Average visibility in July - Rome, IL
  • Average visibility in July: 5mi

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

Rome, Illinois, USA

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