July weather forecast
Crescent City, IL

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Weather in July

July, the same as June, is another warm summer month in Crescent City, Illinois, with an average temperature ranging between max 81°F (27.2°C) and min 64.4°F (18°C).

Temperature

Crescent City's temperature records reveal July as the warmest month, marked by average highs of 81°F (27.2°C) and lows of 64.4°F (18°C).

Heat index

The heat index in July is computed to be a hot 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

The most humid month is July, with an average relative humidity of 85%.

Rainfall

In Crescent City, during July, the rain falls for 13.9 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Crescent City, during the entire year, the rain falls for 130.7 days and collects up to 17.13" (435mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day in Crescent City is 14h and 45min.
On the first day of July in Crescent City, sunrise is at 5:24 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:07 pm CDT.

Sunshine

In Crescent City, the average sunshine in July is 9.7h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Fend off overexposure. Sun protection is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What month is the hottest in Crescent City?

July, on average, is the warmest month in Crescent City, registering a high temperature of 81°F (27.2°C) and a low of 64.4°F (18°C).

What is the usual temperature for Crescent City in July?

During July, Crescent City experiences an average high-temperature of 81°F (27.2°C) and a low-temperature of 64.4°F (18°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 computed to be 87.8°F (31°C).

What is the most humid month in Crescent City?

July is the most humid month in Crescent City, with an average relative humidity of 85%.

What is the average humidity in July in Crescent City?

The average relative humidity in July in Crescent City is 85%.

How many days does it rain in July in Crescent City?

In Crescent City, Illinois, during July, the rain falls for 13.9 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Crescent City?

May through October are months without snowfall.

What is the average length of the day in July in Crescent City?

The average day length in July in Crescent City is 14h and 45min.

When is the sunrise / sunset in July in Crescent City?

On the first day of July in Crescent City, Illinois, sunrise is at 5:24 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:07 pm CDT.

How many hours of sunshine does Crescent City have in July?

In July, the average sunshine duration in Crescent City, Illinois, is 9.7h.

What is the month with the highest UV index in Crescent City?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Crescent City, Illinois.

What is the UV index reading in July in Crescent City?

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

Average temperature in July - Crescent City, IL
  • Average high temperature in July: 81°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in July: 64.4°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in July
Crescent City, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in July
Crescent City, IL

Average wind speed in July - Crescent City, IL
  • Average wind speed in July: 6.3mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in July
Crescent City, IL

Average humidity in July - Crescent City, IL
  • Average humidity in July: 85%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Crescent City, IL

Average rainfall in July - Crescent City, IL
  • Average rainfall in July: 1.77"

The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").

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Average rainfall days in July
Crescent City, IL

Average rainfall days in July - Crescent City, IL
  • Average rainfall days in July: 13.9 days

The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).

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Average snowfall in July
Crescent City, IL

Average snowfall in July - Crescent City, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Crescent City, IL

Average snowfall days in July - Crescent City, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Crescent City, IL

Average daylight in July / Average sunshine in July - Crescent City, 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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in July
Crescent City, IL

Average sunshine days in July - Crescent City, IL
  • Average sunshine days in July: 11.9 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in July
Crescent City, IL

Average UV index in July - Crescent City, IL
  • Average UV index in July: 6

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

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Average cloud cover in July
Crescent City, IL

Average cloud cover in July - Crescent City, IL
  • Average cloud cover in July: 35

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in July
Crescent City, IL

Average visibility in July - Crescent City, 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).

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Crescent City, Illinois, USA

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