Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's weather displays an average high-temperature of a still moderately hot 80.6°F (27°C), slightly varied from July's 81.7°F (27.6°C). Silvis records an average low of 62.4°F (16.9°C) throughout the nights in August.Heat index
August's heat index is appraised at a hot 86°F (30°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Heat index determinations are made taking into account the shade and light air movements. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 especially crucial for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
The average relative humidity in August is 80%.Rainfall
In Silvis, during August, the rain falls for 10.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Silvis, during the entire year, the rain falls for 99.4 days and collects up to 9.57" (243mm) of precipitation.Snowfall
In Silvis, snow does not fall in May through August.Daylight
The average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:35 pm CDT.
Sunshine
In Silvis, the average sunshine in August is 9.9h.UV index
In Silvis, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
Does it snow in August?
How many hours of daylight does Silvis have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
How high is the UV index in August?
Average temperature in August
Silvis, IL
- Average high temperature in August: 80.6°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: 62.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in August
Silvis, 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 (29.91"Hg).
Average wind speed in August
Silvis, 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
Silvis, 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
Silvis, IL
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in August
Silvis, IL
- Average rainfall days in August: 10.7 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in August
Silvis, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in August
Silvis, 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 and August (0 days).
Average daylight in August /
Average sunshine in August
Silvis, 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 12min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Silvis, IL
- Average sunshine days in August: 17.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in August
Silvis, IL
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Silvis, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Silvis, 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).
Silvis, Illinois, USA
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