August weather forecast
Junction City, IL

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Weather in August

August, the last month of the summer in Junction City, is another warm month, with an average temperature varying between 65.8°F (18.8°C) and 83.5°F (28.6°C).

Temperature

Junction City experiences a minor change to a still warm 83.5°F (28.6°C) in average high-temperature during August, closely reflecting July. Nighttime temperatures in Junction City consistently average a refreshing 65.8°F (18.8°C) during August.

Heat index

August's heat index is evaluated at a tropical 93.2°F (34°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. 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 highly critical to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

May, July and August, with an average relative humidity of 80%, are the most humid months.

Rainfall

In August, in Junction City, Illinois, the rain falls for 13.6 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 145.5 rainfall days, and 28.39" (721mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August in Junction City is 13h and 37min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:27 pm CDT.

Sunshine

In August, the average sunshine is 10.1h.

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 exposure to the Sun's UV radiation for the average person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

How hot is August in Junction City?

The average high-temperature, in August, in Junction City, is 83.5°F (28.6°C), while the average low-temperature is 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 93.2°F (34°C).

What is the most humid month in Junction City?

May, July and August, with an average relative humidity of 80%, are most humid months in Junction City, Illinois.

What is the average humidity in August in Junction City?

In Junction City, Illinois, the average relative humidity in August is 80%.

How much does it rain in Junction City in August?

In Junction City, Illinois, during August, the rain falls for 13.6 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow in Junction City?

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

What is the average length of the day in August in Junction City?

In August, the average day length is 13h and 37min.

When is the sunrise / sunset in August in Junction City?

On the first day of August, sunrise is at 5:58 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:27 pm CDT.

How many hours of sunshine does Junction City have in August?

The average sunshine duration in August is 10.1h.

When is the highest UV index in Junction City?

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

What is the UV index intensity in August in Junction City?

In August, the average daily maximum UV index in Junction City is 6. A UV Index reading 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Junction City, IL

Average temperature in August - Junction City, IL
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in August
Junction City, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Junction City, IL

Average wind speed in August - Junction City, IL
  • Average wind speed in August: 5.9mph

The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in August
Junction City, IL

Average humidity in August - Junction City, IL
  • Average humidity in August: 80%

The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Junction City, IL

Average rainfall in August - Junction City, IL
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in August
Junction City, IL

Average rainfall days in August - Junction City, IL
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in August
Junction City, IL

Average snowfall in August - Junction City, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Junction City, IL

Average snowfall days in August - Junction City, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Junction City, IL

Average daylight in August / Average sunshine in August - Junction City, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

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

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Average sunshine days in August
Junction City, IL

Average sunshine days in August - Junction City, IL
  • Average sunshine days in August: 14 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in August
Junction City, IL

Average UV index in August - Junction City, IL
  • Average UV index in August: 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, November and December (UV index 2).

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Average cloud cover in August
Junction City, IL

Average cloud cover in August - Junction City, IL
  • Average cloud cover in August: 28

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in August
Junction City, IL

Average visibility in August - Junction City, IL
  • Average visibility in August: 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).

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Junction City, Illinois, USA

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