July weather forecast
Danville, IL

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Weather in July

July, like June, in Danville, Illinois, is a moderately hot summer month, with an average temperature varying between 81.3°F (27.4°C) and 64.9°F (18.3°C).

Temperature

July is the warmest month, with the temperature often reaching an average high of 81.3°F (27.4°C) and an average low of 64.9°F (18.3°C).

Heat index

For most parts of July, the heat index is appraised at a hot 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

With an average relative humidity of 84%, July is the most humid month in Danville.

Rainfall

In Danville, during July, the rain falls for 17.8 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Danville, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

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

Daylight

In Danville, the average length of the day in July is 14h and 41min.
On the first day of the month, sunrise is at 5:25 am and sunset at 8:23 pm. On the last day of July, sunrise is at 5:48 am and sunset at 8:05 pm CDT.

Sunshine

The average sunshine in July is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

In Danville, Illinois, the peak temperatures are generally noted in July, averaging a high of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C).

What is the temperature in July in Danville?

The average high-temperature, in July, in Danville, is 81.3°F (27.4°C), while the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 87.8°F (31°C).

What is the most humid month?

The most humid month is July, with an average relative humidity of 84%.

What is the average humidity in July?

In Danville, the average relative humidity in July is 84%.

How many days does it rain in July?

In Danville, in July, during 17.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Danville?

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

How many hours of daylight does Danville have in July?

The average day length in July is 14h and 41min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:25 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:05 pm CDT.

How long on average sun shines in July?

In Danville, the average sunshine duration in July is 9.9h.

What are the months with the highest UV index?

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

What is the UV index reading in July in Danville?

In Danville, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Danville, IL

Average temperature in July - Danville, IL
  • Average high temperature in July: 81.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°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 (20.5°F).

Average pressure in July
Danville, IL

Average pressure in July - Danville, IL
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Danville, IL

Average wind speed in July - Danville, IL
  • Average wind speed in July: 6.2mph

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 (6.2mph).

Average humidity in July
Danville, IL

Average humidity in July - Danville, IL
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in July
Danville, IL

Average rainfall in July - Danville, IL
  • Average rainfall in July: 2.44"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in July
Danville, IL

Average rainfall days in July - Danville, IL
  • Average rainfall days in July: 17.8 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in July
Danville, IL

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Danville, IL

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

The month with the highest number of snowfall days is January (10.6 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
Danville, IL

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

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Danville, IL

Average sunshine days in July - Danville, IL
  • Average sunshine days in July: 9.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in July
Danville, IL

Average UV index in July - Danville, 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).

Average cloud cover in July
Danville, IL

Average cloud cover in July - Danville, IL
  • Average cloud cover in July: 33

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in July
Danville, IL

Average visibility in July - Danville, 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).

Danville, Illinois, USA

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