July weather forecast
Colona, IL

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Weather in July

July, the same as June, is another warm summer month in Colona, Illinois, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 81.7°F (27.6°C).

Temperature

July stands out as Colona's warmest month, with temperatures ranging between an average high of 81.7°F (27.6°C) and a low of 64.8°F (18.2°C).

Heat index

During July, the heat index is computed to be a hot 89.6°F (32°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The months with the highest humidity in Colona are January and July, with an average relative humidity of 83%.

Rainfall

In July, the rain falls for 11.2 days. Throughout July, 1.18" (30mm) of precipitation is accumulated. In Colona, during the entire year, the rain falls for 99.4 days and collects up to 9.57" (243mm) of precipitation.

Snowfall

May through August are months without snowfall.

Daylight

In July, the average length of the day in Colona is 14h and 50min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:39 pm. On the last day of July, in Colona, Illinois, sunrise is at 5:56 am and sunset at 8:19 pm CDT.

Sunshine

With an average of 10.1h of sunshine, July has the most sunshine of the year.

UV index

July is the month with the highest UV index in Colona, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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 Colona?

July is the warmest month, exhibiting average temperatures of 81.7°F (27.6°C) at the peak and 64.8°F (18.2°C) at the base.

What is the usual temperature for Colona in July?

During July, Colona experiences an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 64.8°F (18.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What are the most humid months in Colona?

The months with the highest humidity are January and July, with an average relative humidity of 83%.

What is the average humidity in July in Colona?

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

How many days does it rain in July in Colona?

In Colona, Illinois, during July, the rain falls for 11.2 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When it does not snow in Colona?

In Colona, Illinois, snow does not fall in May through August.

How many hours of daylight does Colona have in July?

The average day length in July in Colona is 14h and 50min.

When are sunrise and sunset in July in Colona?

On the first day of July, sunrise is at 5:31 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:19 pm CDT.

What month has the most sunshine in Colona?

With an average of 10.1h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July in Colona?

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

When is the highest UV index in Colona?

July is the month with the highest UV index in Colona, with an average maximum UV index of 6.

What is the UV index intensity in July in Colona?

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

Average temperature in July - Colona, IL
  • Average high temperature in July: 81.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in July: 64.8°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure in July
Colona, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in July
Colona, IL

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in July
Colona, IL

Average humidity in July - Colona, IL
  • Average humidity in July: 83%

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

Average rainfall in July
Colona, IL

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

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").

Average rainfall days in July
Colona, IL

Average rainfall days in July - Colona, IL
  • Average rainfall days in July: 11.2 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).

Average snowfall in July
Colona, IL

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

The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").

Average snowfall days in July
Colona, IL

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

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in July /
Average sunshine in July
Colona, IL

Average daylight in July / Average sunshine in July - Colona, 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 12min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in July
Colona, IL

Average sunshine days in July - Colona, IL
  • Average sunshine days in July: 16.2 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).

Average UV index in July
Colona, IL

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in July
Colona, IL

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in July
Colona, IL

Average visibility in July - Colona, 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).

Colona, Illinois, USA

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