July weather forecast
Danville, IL

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Weather in July

July, like June, in Danville, Illinois, is another warm summer month, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 64.9°F (18.3°C).

Temperature

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

Heat index

July's heat index is estimated at a tropical 87.8°F (31°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

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

Rainfall

In July, the rain falls for 17.8 days. Throughout July, 2.44" (62mm) of precipitation is accumulated. 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 July, the average length of the day in Danville 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

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 6 during July translates into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the warmest month in Danville?

July is the month when Danville's temperatures reach their peak, with averages of 81.3°F (27.4°C) and lows of 64.9°F (18.3°C).

What are July temperatures in Danville?

The average high-temperature and low-temperature in Danville during July are 81.3°F (27.4°C) and 64.9°F (18.3°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the most humid month in Danville?

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

What is the average humidity in July in Danville?

The average relative humidity in July in Danville, Illinois, is 84%.

How many days does it rain in July in Danville?

In July, the rain falls for 17.8 days. Throughout July, 2.44" (62mm) of precipitation is accumulated.

When it does not snow in Danville?

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

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

In July, the average day length in Danville is 14h and 41min.

When is the sunrise / sunset in July in Danville?

On the first day of July, 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?

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

When is the highest UV index in Danville?

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

What is the UV index intensity in July in Danville?

In Danville, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Danville, Illinois, USA

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