July weather forecast
Harmon, IL

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Weather in July

July, like June, in Harmon, Illinois, is a moderately hot summer month, with an average temperature varying between 80.2°F (26.8°C) and 63.9°F (17.7°C).

Temperature

In Harmon, Illinois, the peak temperatures are generally noted in July, averaging a high of 80.2°F (26.8°C) and a low of 63.9°F (17.7°C).

Humidity

The months with the highest humidity are January and July, with an average relative humidity of 85%.

Rainfall

In Harmon, Illinois, during July, the rain falls for 14.1 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Harmon, during the entire year, the rain falls for 130.2 days and collects up to 17.36" (441mm) of precipitation.

Snowfall

In Harmon, snow does not fall in May through September.

Daylight

In Harmon, the average length of the day in July is 14h and 51min.
On the first day of the month, sunrise is at 5:27 am and sunset at 8:36 pm. On the last day of July, sunrise is at 5:52 am and sunset at 8:16 pm CDT.

Sunshine

The month with the most sunshine is July, with an average of 9.8h of sunshine.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 6 in July translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Harmon?

With average high temperatures of 80.2°F (26.8°C) and lows of 63.9°F (17.7°C), July is the warmest month.

What is the average July temperature in Harmon?

An average high-temperature, in July, in Harmon, is 80.2°F (26.8°C) and the average low-temperature is 63.9°F (17.7°C).

What is the most humid month in Harmon?

January and July, with an average relative humidity of 85%, are most humid months in Harmon.

What is the average humidity in July in Harmon?

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

How many days does it rain in July in Harmon?

In July, in Harmon, the rain falls for 14.1 days. Throughout July, 1.81" (46mm) of precipitation is accumulated.

When it does not snow in Harmon?

In Harmon, Illinois, snow does not fall in May through September.

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

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

When is the sunrise / sunset in July in Harmon?

In July, on the first day of the month, sunrise is at 5:27 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:16 pm CDT.

What month has the most sunshine in Harmon?

With an average of 9.8h of sunshine, July has the most sunshine of the year in Harmon, Illinois.

How many hours of sunshine does Harmon have in July?

The average sunshine duration in July in Harmon, Illinois, is 9.8h.

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

With an average maximum UV index of 6, July is the month with the highest UV index in Harmon, Illinois.

What is the UV index intensity in July in Harmon?

In Harmon, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Harmon, IL

Average temperature in July - Harmon, IL
  • Average high temperature in July: 80.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in July: 63.9°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure in July
Harmon, IL

Average pressure in July - Harmon, IL
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in July
Harmon, IL

Average wind speed in July - Harmon, IL
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in July
Harmon, IL

Average humidity in July - Harmon, IL
  • Average humidity in July: 85%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in July
Harmon, IL

Average rainfall in July - Harmon, IL
  • Average rainfall in July: 1.81"

The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are January and February (0.75").

Average rainfall days in July
Harmon, IL

Average rainfall days in July - Harmon, IL
  • Average rainfall days in July: 14.1 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in July
Harmon, IL

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

The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Harmon, IL

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

The month with the highest number of snowfall days is January (10.2 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
Harmon, IL

Average daylight in July / Average sunshine in July - Harmon, 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 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in July
Harmon, IL

Average sunshine days in July - Harmon, IL
  • Average sunshine days in July: 12.7 days

The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in July
Harmon, IL

Average UV index in July - Harmon, IL
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Harmon, IL

Average cloud cover in July - Harmon, IL
  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in July
Harmon, IL

Average visibility in July - Harmon, 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).

Harmon, Illinois, USA

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