August weather forecast
Mount Zion, IL

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Weather in August

August, the last month of the summer in Mount Zion, is another warm month, with an average temperature fluctuating between 81.1°F (27.3°C) and 63.9°F (17.7°C).

Temperature

The average high-temperature is a still warm 81.1°F (27.3°C) in August, hardly different from the 82°F (27.8°C) recorded in July. Mount Zion, during the month of August, experiences an average low-temperature of 63.9°F (17.7°C).

Heat index

The average heat index in August is computed to be a tropical 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In Mount Zion, the average relative humidity in August is 82%.

Rainfall

In Mount Zion, in August, during 11.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 130.2 rainfall days, and 16.34" (415mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 41min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:08 pm. On the last day of August, in Mount Zion, sunrise is at 6:23 am and sunset at 7:27 pm CDT.

Sunshine

The average sunshine in August is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Mount Zion. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 6 during August leads to these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Mount Zion?

During August, Mount Zion experiences an average high-temperature of 81.1°F (27.3°C) and a low-temperature of 63.9°F (17.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in August in Mount Zion?

In August, the average relative humidity in Mount Zion, Illinois, is 82%.

How much does it rain in Mount Zion in August?

In Mount Zion, Illinois, in August, it is raining for 11.8 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow in Mount Zion?

May through October are months without snowfall.

What is the average length of the day in August in Mount Zion?

The average day length in August in Mount Zion is 13h and 41min.

When are sunrise and sunset in August in Mount Zion?

On the first day of August, sunrise is at 5:55 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:27 pm CDT.

How long on average sun shines in August in Mount Zion?

The average sunshine duration in August in Mount Zion is 9.9h.

What is the month with the highest UV index in Mount Zion?

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

What is the UV index intensity in August in Mount Zion?

In Mount Zion, Illinois, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Mount Zion, IL

Average temperature in August - Mount Zion, IL
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in August
Mount Zion, IL

Average pressure in August - Mount Zion, 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).

Average wind speed in August
Mount Zion, IL

Average wind speed in August - Mount Zion, IL
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in August
Mount Zion, IL

Average humidity in August - Mount Zion, IL
  • Average humidity in August: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Mount Zion, IL

Average rainfall in August - Mount Zion, IL
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are February and December (0.87").

Average rainfall days in August
Mount Zion, IL

Average rainfall days in August - Mount Zion, IL
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in August
Mount Zion, IL

Average snowfall in August - Mount Zion, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Mount Zion, IL

Average snowfall days in August - Mount Zion, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Mount Zion, IL

Average daylight in August / Average sunshine in August - Mount Zion, 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 24min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Mount Zion, IL

Average sunshine days in August - Mount Zion, IL
  • Average sunshine days in August: 16.6 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in August
Mount Zion, IL

Average UV index in August - Mount Zion, 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).

Average cloud cover in August
Mount Zion, IL

Average cloud cover in August - Mount Zion, IL
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in August
Mount Zion, IL

Average visibility in August - Mount Zion, IL
  • Average visibility in August: 5mi

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

Mount Zion, Illinois, USA

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