July weather forecast
Le Roy, IL

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Weather in July

July, the same as June, is another warm summer month in Le Roy, Illinois, with an average temperature fluctuating between 80.8°F (27.1°C) and 64.9°F (18.3°C).

Temperature

With average high and low temperatures of 80.8°F (27.1°C) and 64.9°F (18.3°C) respectively, July is Le Roy's warmest month.

Heat index

The heat index in July is evaluated at a hot 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

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

Rainfall

In July, in Le Roy, the rain falls for 16.5 days. Throughout July, 2.13" (54mm) of precipitation is accumulated. In Le Roy, during the entire year, the rain falls for 139 days and collects up to 20.83" (529mm) of precipitation.

Snowfall

In Le Roy, snow does not fall in May through October.

Daylight

In Le Roy, the average length of the day in July is 14h and 43min.
On the first day of the month, sunrise is at 5:29 am and sunset at 8:28 pm. On the last day of July, in Le Roy, sunrise is at 5:52 am and sunset at 8:10 pm CDT.

Sunshine

In July, the average sunshine in Le Roy is 9.7h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index in Le Roy, Illinois. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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 Le Roy?

With its average high temperature of 80.8°F (27.1°C) and a low of 64.9°F (18.3°C), July is regarded as the warmest month in Le Roy.

What are July temperatures in Le Roy?

In Le Roy, 80.8°F (27.1°C) is the average high-temperature and 64.9°F (18.3°C) is the average low-temperature during July. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in July is evaluated at 86°F (30°C).

What is the most humid month in Le Roy?

July is the most humid month in Le Roy, Illinois, with an average relative humidity of 85%.

What is the average humidity in July in Le Roy?

In July, the average relative humidity in Le Roy, Illinois, is 85%.

How many days does it rain in July in Le Roy?

In Le Roy, in July, during 16.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Le Roy?

May through October are months without snowfall in Le Roy.

How many hours of daylight does Le Roy have in July?

The average day length in July in Le Roy is 14h and 43min.

When is the sunrise / sunset in July in Le Roy?

On the first day of July in Le Roy, Illinois, sunrise is at 5:29 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:10 pm CDT.

How many hours of sunshine does Le Roy have in July?

In July, the average sunshine duration is 9.7h.

When is the highest UV index in Le Roy?

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

How high is the UV index in July in Le Roy?

In July, the average daily maximum UV index in Le Roy, Illinois, is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Le Roy, IL

Average temperature in July - Le Roy, IL
  • Average high temperature in July: 80.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°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 (19.6°F).

Average pressure in July
Le Roy, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Le Roy, IL

Average wind speed in July - Le Roy, IL
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in July
Le Roy, IL

Average humidity in July - Le Roy, 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%).

Average rainfall in July
Le Roy, IL

Average rainfall in July - Le Roy, IL
  • Average rainfall in July: 2.13"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").

Average rainfall days in July
Le Roy, IL

Average rainfall days in July - Le Roy, IL
  • Average rainfall days in July: 16.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in July
Le Roy, IL

Average snowfall in July - Le Roy, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Le Roy, IL

Average snowfall days in July - Le Roy, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.8 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
Le Roy, IL

Average daylight in July / Average sunshine in July - Le Roy, 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 4min

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

Average sunshine days in July
Le Roy, IL

Average sunshine days in July - Le Roy, IL
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in July
Le Roy, IL

Average UV index in July - Le Roy, IL
  • Average UV index in July: 6

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Le Roy, IL

Average cloud cover in July - Le Roy, IL
  • Average cloud cover in July: 33

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in July
Le Roy, IL

Average visibility in July - Le Roy, 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).

Le Roy, Illinois, USA

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