July weather forecast
Catlin, IL

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Weather in July

July, the same as June, is a moderately hot summer month in Catlin, Illinois, with an average temperature varying between 82°F (27.8°C) and 65.1°F (18.4°C).

Temperature

In Catlin, July is identified by the highest average temperatures, reaching a peak of 82°F (27.8°C) and a low of 65.1°F (18.4°C).

Heat index

July's mean heat index is estimated at a hot 89.6°F (32°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

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

Rainfall

In July, in Catlin, the rain falls for 15.1 days. Throughout July, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 138.6 rainfall days, and 19.09" (485mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in July is 14h and 41min.
On the first day of the month, sunrise is at 5:25 am and sunset at 8:23 pm. On the last day of July, sunrise is at 5:48 am and sunset at 8:05 pm CDT.

Sunshine

In July, the average sunshine is 10h.

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 unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 6 in July translates into this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Catlin?

July is the month when Catlin experiences its warmest temperatures, averaging a high of 82°F (27.8°C) and a low of 65.1°F (18.4°C).

What is the usual temperature for Catlin in July?

An average high-temperature, in July, in Catlin, is 82°F (27.8°C) and the average low-temperature is 65.1°F (18.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 89.6°F (32°C).

What is the most humid month in Catlin?

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

What is the average humidity in July in Catlin?

In Catlin, Illinois, the average relative humidity in July is 84%.

How many days does it rain in July in Catlin?

In Catlin, Illinois, during July, the rain falls for 15.1 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Catlin?

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

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

The average day length in July is 14h and 41min.

When are sunrise and sunset in July in Catlin?

In July, on the first day of the month, sunrise is at 5:25 am and sunset at 8:23 pm. On the last day of the month, in Catlin, sunrise is at 5:48 am and sunset at 8:05 pm CDT.

How long on average sun shines in July in Catlin?

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

When is the highest UV index in Catlin?

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

How high is the UV index in July in Catlin?

In Catlin, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
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
Catlin, IL

Average temperature in July - Catlin, 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 (33.4°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 (21°F).

Average pressure in July
Catlin, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Catlin, IL

Average wind speed in July - Catlin, IL
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in July
Catlin, IL

Average humidity in July - Catlin, 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 (73%).

Average rainfall in July
Catlin, IL

Average rainfall in July - Catlin, IL
  • Average rainfall in July: 1.69"

The wettest months (with the highest rainfall) are April and May (2.52").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days in July
Catlin, IL

Average rainfall days in July - Catlin, IL
  • Average rainfall days in July: 15.1 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in July
Catlin, IL

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

The month with the highest snowfall is December (1.69").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Catlin, IL

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

The month with the highest number of snowfall days is January (7.1 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
Catlin, IL

Average daylight in July / Average sunshine in July - Catlin, 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 24min).

  • Average sunshine in July: 10h and 0min

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 18min).

Average sunshine days in July
Catlin, IL

Average sunshine days in July - Catlin, IL
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10 days).

Average UV index in July
Catlin, IL

Average UV index in July - Catlin, 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
Catlin, IL

Average cloud cover in July - Catlin, IL
  • Average cloud cover in July: 32

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in July
Catlin, IL

Average visibility in July - Catlin, 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).

Catlin, Illinois, USA

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