August weather forecast
La Prairie, IL

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Weather in August

August, the last month of the summer in La Prairie, is also a moderately hot month, with an average temperature fluctuating between 64.9°F (18.3°C) and 82.9°F (28.3°C).

Temperature

The dawn of August sees an average high-temperature of a still warm 82.9°F (28.3°C), subtly contrasting with July's 83.8°F (28.8°C). During August nights, La Prairie witnesses a consistent average temperature of 64.9°F (18.3°C).

Heat index

In August, the average heat index is appraised at a hot 91.4°F (33°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity in La Prairie is 78%.

Rainfall

In La Prairie, in August, it is raining for 13 days, with typically 2.01" (51mm) of accumulated precipitation. In La Prairie, during the entire year, the rain falls for 134.2 days and collects up to 23.15" (588mm) of precipitation.

Snowfall

May through September are months without snowfall in La Prairie.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of August, sunrise is at 6:02 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:36 pm CDT.

Sunshine

In August, the average sunshine in La Prairie is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in La Prairie. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

Is it hot in La Prairie during August?

August temperatures in La Prairie, Illinois, vary between a high-temperature of 82.9°F (28.3°C) and a low-temperature of 64.9°F (18.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 91.4°F (33°C).

What is the average humidity in August in La Prairie?

The average relative humidity in August in La Prairie, Illinois, is 78%.

How many days does it rain in August in La Prairie?

In La Prairie, during August, the rain falls for 13 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in La Prairie?

May through September are months without snowfall.

What is the average length of the day in August in La Prairie?

In August, the average day length is 13h and 43min.

What time are sunrise and sunset in August in La Prairie?

In August, on the first day of the month, sunrise is at 6:02 am and sunset at 8:17 pm. On the last day of the month, in La Prairie, Illinois, sunrise is at 6:31 am and sunset at 7:36 pm CDT.

How many hours of sunshine does La Prairie have in August?

In La Prairie, Illinois, the average sunshine duration in August is 10h.

What are the months with the highest UV index in La Prairie?

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

What is the UV index reading in August in La Prairie?

In August, the average daily maximum UV index in La Prairie, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high 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
La Prairie, IL

Average temperature in August - La Prairie, IL
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in August
La Prairie, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
La Prairie, IL

Average wind speed in August - La Prairie, IL
  • Average wind speed in August: 6.5mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in August
La Prairie, IL

Average humidity in August - La Prairie, IL
  • Average humidity in August: 78%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
La Prairie, IL

Average rainfall in August - La Prairie, IL
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are January and December (1.02").

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Average rainfall days in August
La Prairie, IL

Average rainfall days in August - La Prairie, IL
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5 days).

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Average snowfall in August
La Prairie, IL

Average snowfall in August - La Prairie, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
La Prairie, IL

Average snowfall days in August - La Prairie, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.8 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
La Prairie, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • 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 18min).

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Average sunshine days in August
La Prairie, IL

Average sunshine days in August - La Prairie, IL
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in August
La Prairie, IL

Average UV index in August - La Prairie, 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
La Prairie, IL

Average cloud cover in August - La Prairie, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in August
La Prairie, IL

Average visibility in August - La Prairie, 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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La Prairie, Illinois, USA

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