July weather forecastLiverpool, IL

July

Weather in July

July, like June, in Liverpool, Illinois, is another warm summer month, with an average temperature varying between 66°F (18.9°C) and 82.6°F (28.1°C).

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 82.6°F (28.1°C) and a low of 66°F (18.9°C).

Heat index

During July, the heat index is evaluated at a hot 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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

July is the most humid month, with an average relative humidity of 83%.

Rainfall

In July, the rain falls for 15.1 days. Throughout July, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 142.9 rainfall days, and 28.31" (719mm) of precipitation is accumulated.

Snowfall

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

Daylight

In July, the average length of the day is 14h and 43min.
On the first day of the month, sunrise is at 5:34 am and sunset at 8:34 pm. On the last day of July, sunrise is at 5:57 am and sunset at 8:15 pm CDT.

Sunshine

In July, the average sunshine is 10.2h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during July translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

July registers as the month with the average highest temperatures in Liverpool, reaching 82.6°F (28.1°C) at its peak and 66°F (18.9°C) at the lowest.

The average high-temperature and low-temperature during July are 82.6°F (28.1°C) and 66°F (18.9°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 91.4°F (33°C).

The most humid month is July, with an average relative humidity of 83%.

The average relative humidity in July is 83%.

In Liverpool, in July, it is raining for 15.1 days, with typically 2.36" (60mm) of accumulated precipitation.

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

In Liverpool, the average day length in July is 14h and 43min.

On the first day of July, sunrise is at 5:34 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:15 pm CDT.

In Liverpool, the average sunshine duration in July is 10.2h.

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

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Liverpool, IL

  • Average high temperature in July: 82.6°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in July: 66°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in July
Liverpool, 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
Liverpool, IL

  • Average wind speed in July: 6.3mph

The windiest months (with the highest average wind speed) are January, February and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in July
Liverpool, IL

  • Average humidity in July: 83%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
Liverpool, IL

  • Average rainfall in July: 2.36"

The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is December (1.38").

Average rainfall days in July
Liverpool, IL

  • Average rainfall days in July: 15.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in July
Liverpool, IL

  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Liverpool, 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
Liverpool, IL

  • Average daylight in July: 14h and 42min

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 12min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in July
Liverpool, IL

  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in July
Liverpool, 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
Liverpool, IL

  • Average cloud cover in July: 29

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in July
Liverpool, IL

  • Average visibility in July: 6mi

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