August weather forecast
Fillmore, IL

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Weather in August

The last month of the summer, August, is another warm month in Fillmore, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 82°F (27.8°C).

Temperature

The commencement of August notes an average high-temperature of a still warm 82°F (27.8°C), exhibiting little difference from the previous month. Throughout August, Fillmore encounters an average temperature drop to a comfortable 64.9°F (18.3°C).

Heat index

In August, the heat index is calculated to be a hot 89.6°F (32°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In August, the average relative humidity is 81%.

Rainfall

In Fillmore, in August, it is raining for 14.2 days, with typically 2.68" (68mm) of accumulated precipitation. In Fillmore, during the entire year, the rain falls for 145.5 days and collects up to 27.44" (697mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 39min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:28 pm CDT.

Sunshine

In August, the average sunshine is 9.9h.

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 hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 in August translates into this advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the temperature in August in Fillmore?

In August, in Fillmore, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 89.6°F (32°C).

What is the average humidity in August in Fillmore?

In Fillmore, Illinois, the average relative humidity in August is 81%.

How many days does it rain in August in Fillmore?

In Fillmore, in August, it is raining for 14.2 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Fillmore?

May through October are months without snowfall in Fillmore, Illinois.

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

In August, the average day length in Fillmore is 13h and 39min.

What time are sunrise and sunset in August in Fillmore?

On the first day of August in Fillmore, sunrise is at 5:58 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:28 pm CDT.

How many hours of sunshine does Fillmore have in August?

In August, the average sunshine duration in Fillmore, Illinois, is 9.9h.

What is the month with the highest UV index in Fillmore?

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

What is the UV index intensity in August in Fillmore?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Fillmore, IL

Average temperature in August - Fillmore, IL
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in August
Fillmore, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Fillmore, IL

Average wind speed in August - Fillmore, IL
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in August
Fillmore, IL

Average humidity in August - Fillmore, IL
  • Average humidity in August: 81%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Fillmore, IL

Average rainfall in August - Fillmore, IL
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (1.5").

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Average rainfall days in August
Fillmore, IL

Average rainfall days in August - Fillmore, IL
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.4 days).

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Average snowfall in August
Fillmore, IL

Average snowfall in August - Fillmore, IL
  • Average snowfall in August: 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 August
Fillmore, IL

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

The month with the highest number of snowfall days is January (7.4 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
Fillmore, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 9h and 5min

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 24min).

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Average sunshine days in August
Fillmore, IL

Average sunshine days in August - Fillmore, IL
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in August
Fillmore, IL

Average UV index in August - Fillmore, 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, February, November and December (UV index 2).

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Average cloud cover in August
Fillmore, IL

Average cloud cover in August - Fillmore, IL
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July and September (Cloud cover 29).

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Average visibility in August
Fillmore, IL

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

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

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Fillmore, Illinois, USA

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