July weather forecast
Junction, IL

Share

Weather in July

July is a hot summer month in Junction, Illinois, with an average temperature varying between 68.4°F (20.2°C) and 86.2°F (30.1°C).

Temperature

July is Junction's warmest month, registering average high temperatures of 86.2°F (30.1°C) and lows of 68.4°F (20.2°C).

Heat index

July's heat index is appraised at a sweltering 98.6°F (37°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In Junction, the average relative humidity in July is 78%.

Rainfall

In July, the rain falls for 15 days. Throughout July, 2.05" (52mm) of precipitation is accumulated. In Junction, Illinois, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

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

Daylight

In Junction, Illinois, the average length of the day in July is 14h and 28min.
On the first day of the month, sunrise is at 5:35 am and sunset at 8:18 pm. On the last day of July, in Junction, sunrise is at 5:56 am and sunset at 8:02 pm CDT.

Sunshine

July has the most sunshine of the year in Junction, with an average of 10.6h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Junction. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 6 in July leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Junction?

The warmest month in Junction is July, with an average high-temperature of 86.2°F (30.1°C) and an average low-temperature of 68.4°F (20.2°C).

Is it hot in Junction during July?

Junction in July has an average high-temperature of 86.2°F (30.1°C) and an average low-temperature of 68.4°F (20.2°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is appraised at 98.6°F (37°C).

What is the average humidity in July in Junction?

The average relative humidity in July in Junction is 78%.

How much does it rain in Junction in July?

In Junction, in July, during 15 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow in Junction?

In Junction, Illinois, snow does not fall in May through October.

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

In July, the average day length is 14h and 28min.

When is the sunrise / sunset in July in Junction?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 8:18 pm. On the last day of the month, in Junction, sunrise is at 5:56 am and sunset at 8:02 pm CDT.

What month has the most sunshine in Junction?

With an average of 10.6h of sunshine, July has the most sunshine of the year in Junction, Illinois.

How long on average sun shines in July in Junction?

In Junction, Illinois, the average sunshine duration in July is 10.6h.

When is the highest UV index in Junction?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in July in Junction?

In Junction, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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
Junction, IL

Average temperature in July - Junction, IL
  • Average high temperature in July: 86.2°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in July: 68.4°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in July
Junction, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in July
Junction, IL

Average wind speed in July - Junction, IL
  • Average wind speed in July: 5.8mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in July
Junction, IL

Average humidity in July - Junction, IL
  • Average humidity in July: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July
Junction, IL

Average rainfall in July - Junction, IL
  • Average rainfall in July: 2.05"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in July
Junction, IL

Average rainfall days in July - Junction, IL
  • Average rainfall days in July: 15 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

Average snowfall in July
Junction, IL

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

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Junction, IL

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

The month with the highest number of snowfall days is January (4.8 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
Junction, IL

Average daylight in July / Average sunshine in July - Junction, IL
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in July
Junction, IL

Average sunshine days in July - Junction, IL
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in July
Junction, IL

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

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

Average cloud cover in July
Junction, IL

Average cloud cover in July - Junction, IL
  • Average cloud cover in July: 28

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in July
Junction, IL

Average visibility in July - Junction, IL
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Junction, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location