July weather forecast
Trivoli, IL

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Weather in July

July, like June, in Trivoli, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 65.1°F (18.4°C) and 82°F (27.8°C).

Temperature

In Trivoli, July records the highest average temperatures, peaking at 82°F (27.8°C) and reaching a low of 65.1°F (18.4°C).

Heat index

The heat index value during July is evaluated at a hot 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The most humid month is July, with an average relative humidity of 84%.

Rainfall

In Trivoli, in July, during 17.1 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Trivoli, during the entire year, the rain falls for 145.3 days and collects up to 28.62" (727mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 45min.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:34 pm. On the last day of July, sunrise is at 5:56 am and sunset at 8:15 pm CDT.

Sunshine

In July, the average sunshine is 10.1h.

UV index

The months with the highest UV index are June and 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 the average person.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

July, known for its average high temperature of 82°F (27.8°C) and an average low temperature of 65.1°F (18.4°C), is the warmest month.

What are the temperatures in July?

During July, Trivoli experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 65.1°F (18.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is evaluated at 89.6°F (32°C).

What is the most humid month?

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

What is the average humidity in July in Trivoli?

The average relative humidity in July is 84%.

How much does it rain in July?

In Trivoli, in July, during 17.1 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow?

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

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

In July, the average day length is 14h and 45min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:32 am and sunset at 8:34 pm. On the last day of the month, in Trivoli, sunrise is at 5:56 am and sunset at 8:15 pm CDT.

How many hours of sunshine does Trivoli have in July?

The average sunshine duration in July is 10.1h.

When is 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 Trivoli, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes 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
Trivoli, IL

Average temperature in July - Trivoli, 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 (30.4°F).

  • Average low temperature in July: 65.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in July
Trivoli, IL

Average pressure in July - Trivoli, 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
Trivoli, IL

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in July
Trivoli, IL

Average humidity in July - Trivoli, 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
Trivoli, IL

Average rainfall in July - Trivoli, IL
  • Average rainfall in July: 2.4"

The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.42").

Average rainfall days in July
Trivoli, IL

Average rainfall days in July - Trivoli, IL
  • Average rainfall days in July: 17.1 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in July
Trivoli, IL

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

The month with the highest snowfall is January (3.78").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Trivoli, IL

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

The month with the highest number of snowfall days is January (10.6 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
Trivoli, IL

Average daylight in July / Average sunshine in July - Trivoli, 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 month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Trivoli, IL

Average sunshine days in July - Trivoli, IL
  • Average sunshine days in July: 12.1 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in July
Trivoli, IL

Average UV index in July - Trivoli, 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
Trivoli, IL

Average cloud cover in July - Trivoli, 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
Trivoli, IL

Average visibility in July - Trivoli, 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).

Trivoli, Illinois, USA

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