July weather forecast
Onarga, IL

Weather in July

July, like June, in Onarga, Illinois, is a moderately hot summer month, with an average temperature varying between 81°F (27.2°C) and 64.4°F (18°C).

Temperature

With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.4°F (18°C), July is the warmest month.

Heat index

In July, the average heat index is appraised at a hot 87.8°F (31°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, wind), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

With an average relative humidity of 85%, July is the most humid month.

Rainfall

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

Snowfall

In Onarga, snow does not fall in May through October.

Daylight

In July, the average length of the day is 14h and 45min.
On the first day of July in Onarga, sunrise is at 5:24 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:09 pm CDT.

Sunshine

In July, the average sunshine 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 reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Onarga?

July is the warmest month, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.4°F (18°C).

What is the temperature in July in Onarga?

In July, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 64.4°F (18°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 87.8°F (31°C).

What is the most humid month in Onarga?

With an average relative humidity of 85%, July is the most humid month.

What is the average humidity in July in Onarga?

In Onarga, the average relative humidity in July is 85%.

How much does it rain in Onarga in July?

In Onarga, 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 Onarga?

May through October are months without snowfall in Onarga, Illinois.

How many hours of daylight does Onarga have in July?

In July, the average day length is 14h and 45min.

When are sunrise and sunset in July in Onarga?

In July, on the first day of the month, sunrise is at 5:24 am and sunset at 8:27 pm. On the last day of the month, in Onarga, sunrise is at 5:47 am and sunset at 8:09 pm CDT.

How long on average sun shines in July in Onarga?

In July, the average sunshine duration in Onarga is 9.7h.

What is the month with the highest UV index in Onarga?

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

What is the UV index reading in July in Onarga?

In Onarga, Illinois, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Onarga, IL

Average temperature in July - Onarga, 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
Onarga, IL

Average pressure in July - Onarga, 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
Onarga, IL

Average wind speed in July - Onarga, 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
Onarga, IL

Average humidity in July - Onarga, 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
Onarga, IL

Average rainfall in July - Onarga, 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
Onarga, IL

Average rainfall days in July - Onarga, 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
Onarga, IL

Average snowfall in July - Onarga, 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
Onarga, IL

Average snowfall days in July - Onarga, 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
Onarga, IL

Average daylight in July / Average sunshine in July - Onarga, IL
  • Average daylight in July: 14h and 45min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in July: 9h and 42min

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
Onarga, IL

Average sunshine days in July - Onarga, 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
Onarga, IL

Average UV index in July - Onarga, 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
Onarga, IL

Average cloud cover in July - Onarga, 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
Onarga, IL

Average visibility in July - Onarga, 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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