August weather forecast
Reynolds, IL

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Weather in August

The last month of the summer, August, is another warm month in Reynolds, Illinois, with an average temperature ranging between max 80.8°F (27.1°C) and min 63.1°F (17.3°C).

Temperature

The transition into August is marked with an average high-temperature of a still warm 80.8°F (27.1°C), showing an insignificant shift from July's 81.7°F (27.6°C). In August, in Reynolds, the average low-temperature is a refreshing 63.1°F (17.3°C).

Heat index

For most parts of August, the heat index is calculated to be a tropical 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in August is 80%.

Rainfall

In August, the rain falls for 12.3 days. Throughout August, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 128 rainfall days, and 19.29" (490mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Reynolds, the average length of the day in August is 13h and 47min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:36 pm CDT.

Sunshine

In August, the average sunshine in Reynolds is 9.9h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Reynolds?

The average high-temperature, in August, in Reynolds, is 80.8°F (27.1°C), while the average low-temperature is 63.1°F (17.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 86°F (30°C).

What is the average humidity in August in Reynolds?

In August, the average relative humidity is 80%.

How many days does it rain in August in Reynolds?

In Reynolds, during August, the rain falls for 12.3 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in Reynolds?

May through September are months without snowfall in Reynolds, Illinois.

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

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

When are sunrise and sunset in August in Reynolds?

On the first day of August in Reynolds, Illinois, sunrise is at 5:58 am and sunset at 8:19 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 Reynolds have in August?

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

What is the UV index intensity in August in Reynolds?

In Reynolds, Illinois, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from 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
Reynolds, IL

Average temperature in August - Reynolds, IL
  • Average high temperature in August: 80.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in August
Reynolds, IL

Average pressure in August - Reynolds, 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).

Average wind speed in August
Reynolds, IL

Average wind speed in August - Reynolds, 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).

Average humidity in August
Reynolds, IL

Average humidity in August - Reynolds, 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%).

Average rainfall in August
Reynolds, IL

Average rainfall in August - Reynolds, IL
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is December (0.75").

Average rainfall days in August
Reynolds, IL

Average rainfall days in August - Reynolds, IL
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (4.2 days).

Average snowfall in August
Reynolds, IL

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

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Reynolds, IL

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

The month with the highest number of snowfall days is January (10.3 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
Reynolds, IL

Average daylight in August / Average sunshine in August - Reynolds, 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: 9h and 5min

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 0min).

Average sunshine days in August
Reynolds, IL

Average sunshine days in August - Reynolds, IL
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in August
Reynolds, IL

Average UV index in August - Reynolds, 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).

Average cloud cover in August
Reynolds, IL

Average cloud cover in August - Reynolds, 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).

Average visibility in August
Reynolds, IL

Average visibility in August - Reynolds, 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).

Reynolds, Illinois, USA

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