July weather forecast
Gillespie, IL

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Weather in July

July, like June, in Gillespie, Illinois, is another warm summer month, with temperature in the range of an average low of 67.5°F (19.7°C) and an average high of 84.2°F (29°C).

Temperature

In Gillespie, the peak temperatures are generally noted in July, averaging a high of 84.2°F (29°C) and a low of 67.5°F (19.7°C).

Heat index

The heat index value for July is appraised at a very hot 95°F (35°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. 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 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

July is the most humid month in Gillespie, with an average relative humidity of 81%.

Rainfall

In Gillespie, during July, the rain falls for 14 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Gillespie, Illinois, during the entire year, the rain falls for 121.4 days and collects up to 14.72" (374mm) of precipitation.

Snowfall

In Gillespie, snow does not fall in April through October.

Daylight

In Gillespie, the average length of the day in July is 14h and 36min.
On the first day of July in Gillespie, sunrise is at 5:37 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:11 pm CDT.

Sunshine

The months with the most sunshine are June and July, with an average of 10.3h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Gillespie, Illinois. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. 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. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What part of the year is the hottest in Gillespie?

With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 67.5°F (19.7°C), July is the warmest month in Gillespie.

Is it hot in Gillespie during July?

An average high-temperature, in July, in Gillespie, is 84.2°F (29°C) and the average low-temperature is 67.5°F (19.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is appraised at 95°F (35°C).

What is the most humid month in Gillespie?

July is the most humid month in Gillespie, with an average relative humidity of 81%.

What is the average humidity in July in Gillespie?

In July, the average relative humidity in Gillespie, Illinois, is 81%.

How much does it rain in Gillespie in July?

In Gillespie, Illinois, during July, the rain falls for 14 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in Gillespie?

April through October are months without snowfall in Gillespie.

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

In July, the average day length in Gillespie, Illinois, is 14h and 36min.

When are sunrise and sunset in July in Gillespie?

In July, on the first day of the month, sunrise is at 5:37 am and sunset at 8:29 pm. On the last day of the month, in Gillespie, sunrise is at 5:59 am and sunset at 8:11 pm CDT.

What is the month with the most sunshine in Gillespie?

June and July, with an average of 10.3h of sunshine, are months with the most sunshine in Gillespie, Illinois.

How long on average sun shines in July in Gillespie?

In July, the average sunshine duration in Gillespie is 10.3h.

When is the highest UV index in Gillespie?

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

How high is the UV index in July in Gillespie?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Gillespie, IL

Average temperature in July - Gillespie, IL
  • Average high temperature in July: 84.2°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in July: 67.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in July
Gillespie, IL

Average pressure in July - Gillespie, IL
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in July
Gillespie, IL

Average wind speed in July - Gillespie, IL
  • Average wind speed in July: 5.8mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in July
Gillespie, IL

Average humidity in July - Gillespie, IL
  • Average humidity in July: 81%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Gillespie, IL

Average rainfall in July - Gillespie, IL
  • Average rainfall in July: 1.5"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in July
Gillespie, IL

Average rainfall days in July - Gillespie, IL
  • Average rainfall days in July: 14 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in July
Gillespie, IL

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

The month with the highest snowfall is December (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
Gillespie, IL

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

The month with the highest number of snowfall days is January (6.3 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
Gillespie, IL

Average daylight in July / Average sunshine in July - Gillespie, IL
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in July
Gillespie, IL

Average sunshine days in July - Gillespie, IL
  • Average sunshine days in July: 12.5 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in July
Gillespie, IL

Average UV index in July - Gillespie, 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).

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Average cloud cover in July
Gillespie, IL

Average cloud cover in July - Gillespie, IL
  • Average cloud cover in July: 29

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

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Average visibility in July
Gillespie, IL

Average visibility in July - Gillespie, 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).

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Gillespie, Illinois, USA

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