July weather forecast
Sugar Grove, IL

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Weather in July

July, like June, in Sugar Grove, Illinois, is another warm summer month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 80.6°F (27°C).

Temperature

In Sugar Grove, July is the warmest month, with temperatures averaging a high of 80.6°F (27°C) and a low of 63.3°F (17.4°C).

Heat index

For most parts of July, the heat index is calculated to be a tropical 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. 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

The months with the highest humidity in Sugar Grove are January, July and August, with an average relative humidity of 84%.

Rainfall

In July, the rain falls for 18.2 days. Throughout July, 3.15" (80mm) of precipitation is accumulated. In Sugar Grove, during the entire year, the rain falls for 156.4 days and collects up to 30.98" (787mm) of precipitation.

Snowfall

In Sugar Grove, snow does not fall in June through September.

Daylight

In Sugar Grove, the average length of the day in July is 14h and 51min.
On the first day of the month, sunrise is at 5:23 am and sunset at 8:32 pm. On the last day of July, in Sugar Grove, sunrise is at 5:47 am and sunset at 8:12 pm CDT.

Sunshine

In July, the average sunshine is 9.5h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

With its average high temperature of 80.6°F (27°C) and a low of 63.3°F (17.4°C), July is regarded as the warmest month.

What is the usual temperature for Sugar Grove in July?

The high-temperature, in July, in Sugar Grove, records 80.6°F (27°C), while the low-temperature is 63.3°F (17.4°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the most humid month?

January, July and August, with an average relative humidity of 84%, are most humid months.

What is the average humidity in July?

In July, the average relative humidity is 84%.

How much does it rain in July?

In July, the rain falls for 18.2 days. Throughout July, 3.15" (80mm) of precipitation is accumulated.

When it does not snow?

In Sugar Grove, snow does not fall in June through September.

How many hours of daylight does Sugar Grove have in July?

In Sugar Grove, the average day length in July is 14h and 51min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:23 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:12 pm CDT.

How many hours of sunshine does Sugar Grove have in July?

In July, the average sunshine duration is 9.5h.

What are the months with the highest UV index?

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

What is the UV index reading in July?

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

Average temperature in July - Sugar Grove, IL
  • Average high temperature in July: 80.6°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in July: 63.3°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

Average pressure in July
Sugar Grove, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Sugar Grove, IL

Average wind speed in July - Sugar Grove, IL
  • Average wind speed in July: 6.3mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in July
Sugar Grove, IL

Average humidity in July - Sugar Grove, IL
  • Average humidity in July: 84%

The months with the highest relative humidity are January, July and August (84%).
The month with the lowest relative humidity is October (74%).

Average rainfall in July
Sugar Grove, IL

Average rainfall in July - Sugar Grove, IL
  • Average rainfall in July: 3.15"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is December (1.57").

Average rainfall days in July
Sugar Grove, IL

Average rainfall days in July - Sugar Grove, IL
  • Average rainfall days in July: 18.2 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (6 days).

Average snowfall in July
Sugar Grove, IL

Average snowfall in July - Sugar Grove, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Sugar Grove, IL

Average snowfall days in July - Sugar Grove, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Sugar Grove, IL

Average daylight in July / Average sunshine in July - Sugar Grove, IL
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 9h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in July
Sugar Grove, IL

Average sunshine days in July - Sugar Grove, IL
  • Average sunshine days in July: 11.1 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.3 days).

Average UV index in July
Sugar Grove, IL

Average UV index in July - Sugar Grove, 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 and December (UV index 1).

Average cloud cover in July
Sugar Grove, IL

Average cloud cover in July - Sugar Grove, IL
  • Average cloud cover in July: 36

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in July
Sugar Grove, IL

Average visibility in July - Sugar Grove, IL
  • Average visibility in July: 5mi

The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).

Sugar Grove, Illinois, USA

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