August weather forecast
Matherville, IL

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Weather in August

The last month of the summer, August, is another warm month in Matherville, Illinois, with an average temperature fluctuating between 63.1°F (17.3°C) and 81°F (27.2°C).

Temperature

Matherville's shift from July to August is accompanied by an average high-temperature of a still warm 81°F (27.2°C), a slight deviation from 81.5°F (27.5°C). An average low-temperature of 63.1°F (17.3°C) marks the nights in Matherville, Illinois throughout August.

Heat index

During August, the heat index is computed to be a hot 86°F (30°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In Matherville, the average relative humidity in August is 80%.

Rainfall

In Matherville, in August, it is raining for 10.6 days, with typically 1.18" (30mm) of accumulated precipitation. In Matherville, during the entire year, the rain falls for 121.3 days and collects up to 17.72" (450mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August in Matherville, Illinois, is 13h and 47min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:36 pm CDT.

Sunshine

The average sunshine in August in Matherville is 10h.

UV index

In Matherville, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in August transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What is the temperature in August in Matherville?

The high-temperature, in August, in Matherville, records 81°F (27.2°C), while the low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 86°F (30°C).

What is the average humidity in August in Matherville?

In August, the average relative humidity in Matherville is 80%.

How much does it rain in Matherville in August?

In Matherville, in August, during 10.6 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When it does not snow in Matherville?

In Matherville, Illinois, snow does not fall in May through September.

How many hours of daylight does Matherville have in August?

In Matherville, Illinois, the average day length in August is 13h and 47min.

What time are sunrise and sunset in August in Matherville?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:36 pm CDT.

How many hours of sunshine does Matherville have in August?

The average sunshine duration in August in Matherville is 10h.

How high is the UV index in August in Matherville?

The average daily maximum UV index in August in Matherville, Illinois, is 5. A UV Index estimate of 3 to 5 represents a medium 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
Matherville, IL

Average temperature in August - Matherville, IL
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 63.1°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 (16.9°F).

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Average pressure in August
Matherville, IL

Average pressure in August - Matherville, IL
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Matherville, IL

Average wind speed in August - Matherville, IL
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in August
Matherville, IL

Average humidity in August - Matherville, IL
  • Average humidity in August: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Matherville, IL

Average rainfall in August - Matherville, IL
  • Average rainfall in August: 1.18"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in August
Matherville, IL

Average rainfall days in August - Matherville, IL
  • Average rainfall days in August: 10.6 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall in August
Matherville, IL

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Matherville, IL

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

The month with the highest number of snowfall days is January (7.8 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
Matherville, IL

Average daylight in August / Average sunshine in August - Matherville, IL
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in August
Matherville, IL

Average sunshine days in August - Matherville, IL
  • Average sunshine days in August: 17.6 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (12.1 days).

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Average UV index in August
Matherville, IL

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in August
Matherville, IL

Average cloud cover in August - Matherville, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 29).

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Average visibility in August
Matherville, IL

Average visibility in August - Matherville, IL
  • Average visibility in August: 6mi

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

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Matherville, Illinois, USA

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