July weather forecast
Grape Creek, IL

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Weather in July

July, like June, in Grape Creek, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.3°F (27.4°C).

Temperature

In Grape Creek, temperatures reach their average annual highs in July, measuring 81.3°F (27.4°C) and a minimum average of 64.9°F (18.3°C).

Heat index

For July, the heat index is appraised at a tropical 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance 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

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

Rainfall

In Grape Creek, during July, the rain falls for 17.8 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Grape Creek, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

In Grape Creek, Illinois, snow does not fall in May through October.

Daylight

In July, the average length of the day 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

The average sunshine in July is 9.9h.

UV index

The months with the highest UV index in Grape Creek are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in July leads to these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

July stands out as Grape Creek's warmest month, with temperatures ranging between an average high of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C).

What is the usual temperature for Grape Creek in July?

In July, the average high-temperature and low-temperature in Grape Creek are 81.3°F (27.4°C) and 64.9°F (18.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in July is appraised at 87.8°F (31°C).

What is the most humid month?

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

What is the average humidity in July in Grape Creek?

In July, the average relative humidity is 84%.

How much does it rain in July?

In Grape Creek, in July, it is raining for 17.8 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow?

In Grape Creek, snow does not fall in May through October.

What is the average length of the day in July?

In Grape Creek, the average day length in July is 14h and 41min.

What time are sunrise and sunset in July?

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

How long on average sun shines in July?

In Grape Creek, the average sunshine duration in July is 9.9h.

What are the months with the highest UV index in Grape Creek?

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

What is the UV index intensity in July?

In Grape Creek, 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
Grape Creek, IL

Average temperature in July - Grape Creek, IL
  • Average high temperature in July: 81.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°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 (20.5°F).

Average pressure in July
Grape Creek, IL

Average pressure in July - Grape Creek, 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
Grape Creek, IL

Average wind speed in July - Grape Creek, IL
  • Average wind speed in July: 6.2mph

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 (6.2mph).

Average humidity in July
Grape Creek, IL

Average humidity in July - Grape Creek, 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 (72%).

Average rainfall in July
Grape Creek, IL

Average rainfall in July - Grape Creek, IL
  • Average rainfall in July: 2.44"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in July
Grape Creek, IL

Average rainfall days in July - Grape Creek, IL
  • Average rainfall days in July: 17.8 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in July
Grape Creek, IL

Average snowfall in July - Grape Creek, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Grape Creek, IL

Average snowfall days in July - Grape Creek, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (10.6 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
Grape Creek, IL

Average daylight in July / Average sunshine in July - Grape Creek, 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: 9h and 5min

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

Average sunshine days in July
Grape Creek, IL

Average sunshine days in July - Grape Creek, IL
  • Average sunshine days in July: 9.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in July
Grape Creek, IL

Average UV index in July - Grape Creek, 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
Grape Creek, IL

Average cloud cover in July - Grape Creek, IL
  • Average cloud cover in July: 33

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in July
Grape Creek, IL

Average visibility in July - Grape Creek, 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).

Grape Creek, Illinois, USA

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