August weather forecast
Ashton, IL

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Weather in August

August, the last month of the summer in Ashton, is also a moderately hot month, with an average temperature ranging between min 61.2°F (16.2°C) and max 78.3°F (25.7°C).

Temperature

Ashton experiences an average high-temperature of a still warm 78.3°F (25.7°C) in August, marking an insignificant shift from 79.9°F (26.6°C) in July. The low-temperature averages to a refreshing 61.2°F (16.2°C) during the nights of August.

Humidity

In Ashton, the average relative humidity in August is 84%.

Rainfall

In Ashton, during August, the rain falls for 12.4 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Ashton, Illinois, during the entire year, the rain falls for 124.5 days and collects up to 14.49" (368mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 49min.
On the first day of August, sunrise is at 5:51 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:31 pm CDT.

Sunshine

In Ashton, the average sunshine in August is 9.4h.

UV index

The months with the highest UV index in Ashton, Illinois, are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 5 during August translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Around midday, solar radiation is most harmful; hence, exposure should be limited. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the usual temperature for Ashton in August?

An average high-temperature, in August, in Ashton, is 78.3°F (25.7°C) and the average low-temperature is 61.2°F (16.2°C).

What is the average humidity in August in Ashton?

The average relative humidity in August in Ashton is 84%.

How many days does it rain in August in Ashton?

In Ashton, Illinois, during August, the rain falls for 12.4 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow in Ashton?

May through September are months without snowfall.

What is the average length of the day in August in Ashton?

The average day length in August in Ashton, Illinois, is 13h and 49min.

When are sunrise and sunset in August in Ashton?

In August, on the first day of the month, sunrise is at 5:51 am and sunset at 8:14 pm. On the last day of the month, in Ashton, sunrise is at 6:22 am and sunset at 7:31 pm CDT.

How long on average sun shines in August in Ashton?

The average sunshine duration in August in Ashton is 9.4h.

When is the highest UV index in Ashton?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Ashton.

What is the UV index reading in August in Ashton?

In Ashton, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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 August
Ashton, IL

Average temperature in August - Ashton, IL
  • Average high temperature in August: 78.3°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in August: 61.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

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Average pressure in August
Ashton, IL

Average pressure in August - Ashton, IL
  • Average pressure in August: 29.97"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).

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Average wind speed in August
Ashton, IL

Average wind speed in August - Ashton, IL
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in August
Ashton, IL

Average humidity in August - Ashton, IL
  • Average humidity in August: 84%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Ashton, IL

Average rainfall in August - Ashton, IL
  • Average rainfall in August: 1.26"

The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days in August
Ashton, IL

Average rainfall days in August - Ashton, IL
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in August
Ashton, IL

Average snowfall in August - Ashton, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Ashton, IL

Average snowfall days in August - Ashton, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Ashton, IL

Average daylight in August / Average sunshine in August - Ashton, IL
  • Average daylight in August: 13h 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 August: 9h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in August
Ashton, IL

Average sunshine days in August - Ashton, IL
  • Average sunshine days in August: 16.8 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in August
Ashton, IL

Average UV index in August - Ashton, IL
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Ashton, IL

Average cloud cover in August - Ashton, IL
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).

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Average visibility in August
Ashton, IL

Average visibility in August - Ashton, IL
  • Average visibility in August: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Ashton, Illinois, USA

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