July weather forecast
Keithsburg, IL

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Weather in July

July, the same as June, is a moderately hot summer month in Keithsburg, Illinois, with an average temperature fluctuating between 82.2°F (27.9°C) and 64.9°F (18.3°C).

Temperature

Keithsburg records the warmest temperatures in July, averaging a high of 82.2°F (27.9°C) and a low of 64.9°F (18.3°C).

Heat index

The heat index value during July is calculated to be a tropical 89.6°F (32°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In Keithsburg, during July, the rain falls for 16.7 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, in Keithsburg, Illinois, there are 150.9 rainfall days, and 30.87" (784mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Keithsburg, Illinois, the average length of the day in July is 14h and 47min.
On the first day of July in Keithsburg, sunrise is at 5:35 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:20 pm CDT.

Sunshine

The months with the most sunshine in Keithsburg are June and July, with an average of 10h of sunshine.

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 health risk from exposure to the Sun's UV radiation for the average person.
Note: In July, the maximum UV index of 6 suggests this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Keithsburg?

Keithsburg, Illinois, experiences its average highest temperatures in July, reaching a peak of 82.2°F (27.9°C) and a minimum of 64.9°F (18.3°C).

What is the temperature in July in Keithsburg?

July temperatures in Keithsburg, Illinois, vary between a high-temperature of 82.2°F (27.9°C) and a low-temperature of 64.9°F (18.3°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the most humid month in Keithsburg?

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

What is the average humidity in July in Keithsburg?

The average relative humidity in July is 83%.

How much does it rain in Keithsburg in July?

In July, in Keithsburg, the rain falls for 16.7 days. Throughout July, 3.07" (78mm) of precipitation is accumulated.

When it does not snow in Keithsburg?

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

How many hours of daylight does Keithsburg have in July?

In Keithsburg, Illinois, the average day length in July is 14h and 47min.

When is the sunrise / sunset in July in Keithsburg?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:20 pm CDT.

What are the months with the most sunshine in Keithsburg?

June and July, with an average of 10h of sunshine, are months with the most sunshine in Keithsburg.

How long on average sun shines in July in Keithsburg?

In Keithsburg, Illinois, the average sunshine duration in July is 10h.

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

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

What is the UV index intensity in July in Keithsburg?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes 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
Keithsburg, IL

Average temperature in July - Keithsburg, IL
  • Average high temperature in July: 82.2°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in July: 64.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in July
Keithsburg, IL

Average pressure in July - Keithsburg, IL
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in July
Keithsburg, IL

Average wind speed in July - Keithsburg, IL
  • Average wind speed in July: 6.8mph

The windiest months (with the highest average wind speed) are January and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in July
Keithsburg, IL

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

Average rainfall in July
Keithsburg, IL

Average rainfall in July - Keithsburg, IL
  • Average rainfall in July: 3.07"

The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are January and December (1.46").

Average rainfall days in July
Keithsburg, IL

Average rainfall days in July - Keithsburg, IL
  • Average rainfall days in July: 16.7 days

The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in July
Keithsburg, IL

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

The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Keithsburg, IL

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

The month with the highest number of snowfall days is January (10.8 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
Keithsburg, IL

Average daylight in July / Average sunshine in July - Keithsburg, 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: 10h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in July
Keithsburg, IL

Average sunshine days in July - Keithsburg, IL
  • Average sunshine days in July: 10.7 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in July
Keithsburg, IL

Average UV index in July - Keithsburg, 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 January (UV index 1).

Average cloud cover in July
Keithsburg, IL

Average cloud cover in July - Keithsburg, IL
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in July
Keithsburg, IL

Average visibility in July - Keithsburg, 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).

Keithsburg, Illinois, USA

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