July weather forecast
Jewett, IL

Share

Weather in July

July, the same as June, is another warm summer month in Jewett, Illinois, with an average temperature varying between 82.9°F (28.3°C) and 66.4°F (19.1°C).

Temperature

The month of July sees the highest average temperatures, reaching 82.9°F (28.3°C) at the peak and 66.4°F (19.1°C) at the low.

Heat index

In July, the average heat index is estimated at a tropical 91.4°F (33°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

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

Rainfall

In July, in Jewett, the rain falls for 12 days. Throughout July, 1.18" (30mm) of precipitation is accumulated. In Jewett, Illinois, during the entire year, the rain falls for 111.4 days and collects up to 10.31" (262mm) of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In July, the average length of the day in Jewett is 14h and 37min.
On the first day of the month, sunrise is at 5:30 am and sunset at 8:23 pm. On the last day of July, in Jewett, sunrise is at 5:53 am and sunset at 8:05 pm CDT.

Sunshine

In Jewett, the average sunshine in July is 10.1h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Jewett?

With average high temperatures of 82.9°F (28.3°C) and lows of 66.4°F (19.1°C), July is the warmest month in Jewett, Illinois.

How hot does it get in Jewett in July?

An average high-temperature, in July, in Jewett, is 82.9°F (28.3°C) and the average low-temperature is 66.4°F (19.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 91.4°F (33°C).

What is the most humid month in Jewett?

With an average relative humidity of 83%, July is the most humid month in Jewett, Illinois.

What is the average humidity in July in Jewett?

In Jewett, the average relative humidity in July is 83%.

How much does it rain in Jewett in July?

In July, in Jewett, Illinois, the rain falls for 12 days. Throughout July, 1.18" (30mm) of precipitation is accumulated.

When it does not snow in Jewett?

In Jewett, snow does not fall in April through September.

How many hours of daylight does Jewett have in July?

The average day length in July in Jewett, Illinois, is 14h and 37min.

What time are sunrise and sunset in July in Jewett?

On the first day of July in Jewett, sunrise is at 5:30 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:05 pm CDT.

How long on average sun shines in July in Jewett?

In July, the average sunshine duration in Jewett is 10.1h.

What are the months with the highest UV index in Jewett?

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

What is the UV index reading in July in Jewett?

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

Average temperature in July - Jewett, IL
  • Average high temperature in July: 82.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in July: 66.4°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in July
Jewett, IL

Average pressure in July - Jewett, IL
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Jewett, IL

Average wind speed in July - Jewett, IL
  • Average wind speed in July: 6.1mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in July
Jewett, IL

Average humidity in July - Jewett, 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
Jewett, IL

Average rainfall in July - Jewett, IL
  • Average rainfall in July: 1.18"

The wettest month (with the highest rainfall) is April (1.3").
The driest months (with the least rainfall) are February, September and November (0.51").

Average rainfall days in July
Jewett, IL

Average rainfall days in July - Jewett, IL
  • Average rainfall days in July: 12 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in July
Jewett, IL

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

The month with the highest snowfall is December (0.87").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in July
Jewett, IL

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

The month with the highest number of snowfall days is February (5.3 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
Jewett, IL

Average daylight in July / Average sunshine in July - Jewett, IL
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in July
Jewett, IL

Average sunshine days in July - Jewett, IL
  • Average sunshine days in July: 14.1 days

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in July
Jewett, IL

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

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

Average cloud cover in July
Jewett, IL

Average cloud cover in July - Jewett, IL
  • Average cloud cover in July: 30

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in July
Jewett, IL

Average visibility in July - Jewett, 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).

Jewett, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location