August weather forecast
Ophiem, IL

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Weather in August

August, the last month of the summer in Ophiem, is another warm month, with an average temperature ranging between max 80.4°F (26.9°C) and min 63°F (17.2°C).

Temperature

The onset of August marks an average high-temperature of a still warm 80.4°F (26.9°C), hardly differing from July's 81.5°F (27.5°C). The average temperature in Ophiem drops to an enjoyable 63°F (17.2°C) during the night in the month of August.

Humidity

The average relative humidity in August is 80%.

Rainfall

In Ophiem, during August, the rain falls for 13.6 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Ophiem, during the entire year, the rain falls for 143.6 days and collects up to 27.99" (711mm) of precipitation.

Snowfall

May through September are months without snowfall in Ophiem.

Daylight

In Ophiem, the average length of the day in August is 13h and 47min.
On the first day of August in Ophiem, sunrise is at 5:57 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:35 pm CDT.

Sunshine

In Ophiem, the average sunshine in August is 10h.

UV index

In Ophiem, Illinois, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during August translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the average August temperature in Ophiem?

An average high-temperature, in August, in Ophiem, is 80.4°F (26.9°C) and the average low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 87.8°F (31°C).

What is the average humidity in August in Ophiem?

The average relative humidity in August is 80%.

How many days does it rain in August in Ophiem?

In Ophiem, Illinois, during August, the rain falls for 13.6 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Ophiem?

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

How many hours of daylight does Ophiem have in August?

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

When is the sunrise / sunset in August in Ophiem?

On the first day of August in Ophiem, Illinois, sunrise is at 5:57 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:35 pm CDT.

How long on average sun shines in August in Ophiem?

In August, the average sunshine duration in Ophiem is 10h.

How high is the UV index in August in Ophiem?

The average daily maximum UV index in August in Ophiem is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Ophiem, IL

Average temperature in August - Ophiem, IL
  • Average high temperature in August: 80.4°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 (28.4°F).

  • Average low temperature in August: 63°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 (16.2°F).

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Average pressure in August
Ophiem, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Ophiem, IL

Average wind speed in August - Ophiem, IL
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in August
Ophiem, IL

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

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Ophiem, IL

Average rainfall in August - Ophiem, IL
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is December (1.26").

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Average rainfall days in August
Ophiem, IL

Average rainfall days in August - Ophiem, IL
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).

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Average snowfall in August
Ophiem, IL

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

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Ophiem, IL

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

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Ophiem, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
Ophiem, IL

Average sunshine days in August - Ophiem, IL
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (10.4 days).

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Average UV index in August
Ophiem, IL

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

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

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Average cloud cover in August
Ophiem, IL

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

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Ophiem, IL

Average visibility in August - Ophiem, 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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Ophiem, Illinois, USA

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