August weather forecast
Cypress, IL

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Weather in August

The last month of the summer, August, is another hot month in Cypress, Illinois, with an average temperature ranging between max 86.5°F (30.3°C) and min 66.7°F (19.3°C).

Temperature

Cypress's weather, upon August's arrival, documents an average high-temperature of a still tropical 86.5°F (30.3°C), nearly identical to the prior month. During the nights in August, Cypress experiences a consistent average temperature of 66.7°F (19.3°C).

Heat index

In August, the heat index is appraised at a sweltering 98.6°F (37°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in August is 76%.

Rainfall

In August, the rain falls for 11.9 days. Throughout August, 1.3" (33mm) of precipitation is accumulated. In Cypress, during the entire year, the rain falls for 118.3 days and collects up to 13.03" (331mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Cypress, the average length of the day in August is 13h and 33min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:03 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:25 pm CDT.

Sunshine

In Cypress, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index in Cypress are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Cypress in August?

The high-temperature in Cypress, Illinois, during August is 86.5°F (30.3°C) and the low-temperature is 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 98.6°F (37°C).

What is the average humidity in August in Cypress?

In Cypress, the average relative humidity in August is 76%.

How many days does it rain in August in Cypress?

In Cypress, Illinois, in August, during 11.9 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

When it does not snow in Cypress?

In Cypress, snow does not fall in April through October.

How many hours of daylight does Cypress have in August?

In Cypress, Illinois, the average day length in August is 13h and 33min.

When are sunrise and sunset in August in Cypress?

On the first day of August in Cypress, Illinois, sunrise is at 6:01 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:25 pm CDT.

How long on average sun shines in August in Cypress?

The average sunshine duration in August is 10.3h.

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

May through August, with an average maximum UV index of 6, are months with the highest UV index in Cypress, Illinois.

What is the UV index reading in August in Cypress?

The average daily maximum UV index in August in Cypress, Illinois, 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
Cypress, IL

Average temperature in August - Cypress, IL
  • Average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in August
Cypress, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Cypress, IL

Average wind speed in August - Cypress, IL
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in August
Cypress, IL

Average humidity in August - Cypress, IL
  • Average humidity in August: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Cypress, IL

Average rainfall in August - Cypress, IL
  • Average rainfall in August: 1.3"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in August
Cypress, IL

Average rainfall days in August - Cypress, IL
  • Average rainfall days in August: 11.9 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

Average snowfall in August
Cypress, IL

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

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Cypress, IL

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

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in August
Cypress, IL

Average sunshine days in August - Cypress, IL
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in August
Cypress, IL

Average UV index in August - Cypress, IL
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in August
Cypress, IL

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

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in August
Cypress, IL

Average visibility in August - Cypress, 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).

Cypress, Illinois, USA

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