July weather forecast
Whittington, IL

Share

Weather in July

July is a hot summer month in Whittington, Illinois, with an average temperature fluctuating between 87.1°F (30.6°C) and 68.5°F (20.3°C).

Temperature

Whittington's July weather, with an average high temperature of 87.1°F (30.6°C) and an average low temperature of 68.5°F (20.3°C), tends to be the warmest of the year.

Heat index

The heat index for July is calculated to be a torrid 102.2°F (39°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in July is 77%.

Rainfall

In Whittington, in July, during 13.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, in Whittington, Illinois, there are 122.7 rainfall days, and 18.03" (458mm) of precipitation is accumulated.

Snowfall

In Whittington, Illinois, snow does not fall in May through September.

Daylight

In July, the average length of the day is 14h and 30min.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:22 pm. On the last day of July, sunrise is at 5:58 am and sunset at 8:05 pm CDT.

Sunshine

The month with the most sunshine is July, with an average of 10.5h of sunshine.

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 risk from exposure to the Sun's UV rays for the ordinary person.
Note: In July, the UV index of 6 transforms into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July is Whittington's warmest month, registering average high temperatures of 87.1°F (30.6°C) and lows of 68.5°F (20.3°C).

How hot is it in July?

The high-temperature, in July, in Whittington, is 87.1°F (30.6°C), while the low-temperature averages to 68.5°F (20.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 102.2°F (39°C).

What is the average humidity in July?

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

How many days does it rain in July in Whittington?

In Whittington, in July, it is raining for 13.4 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow?

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

What is the average length of the day in July?

The average day length in July is 14h and 30min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:36 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:05 pm CDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.5h of sunshine.

How long on average sun shines in July?

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

What is the month with the highest UV index?

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

How high is the UV index in July?

In Whittington, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Whittington, IL

Average temperature in July - Whittington, IL
  • Average high temperature in July: 87.1°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in July: 68.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in July
Whittington, IL

Average pressure in July - Whittington, 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).

Average wind speed in July
Whittington, IL

Average wind speed in July - Whittington, IL
  • Average wind speed in July: 5.9mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

Average humidity in July
Whittington, IL

Average humidity in July - Whittington, 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 (70%).

Average rainfall in July
Whittington, IL

Average rainfall in July - Whittington, IL
  • Average rainfall in July: 1.65"

The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").

Average rainfall days in July
Whittington, IL

Average rainfall days in July - Whittington, IL
  • Average rainfall days in July: 13.4 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in July
Whittington, IL

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

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Whittington, IL

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

The month with the highest number of snowfall days is January (4.5 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
Whittington, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
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 July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in July
Whittington, IL

Average sunshine days in July - Whittington, IL
  • Average sunshine days in July: 15.5 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in July
Whittington, IL

Average UV index in July - Whittington, 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).

Average cloud cover in July
Whittington, IL

Average cloud cover in July - Whittington, IL
  • Average cloud cover in July: 29

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in July
Whittington, IL

Average visibility in July - Whittington, 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).

Whittington, Illinois, USA

Weather forecast for your location

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