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 commences with an average high-temperature of a still warm 79.3°F (26.3°C), showing little deviation from July's 80.2°F (26.8°C). Sterling records a consistent low-temperature of 61.7°F (16.5°C) during August nights.Humidity
In Sterling, the average relative humidity in August is 83%.Rainfall
In Sterling, in August, it is raining for 12.5 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 130.2 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Sterling.Daylight
In Sterling, the average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:16 pm. On the last day of August, in Sterling, sunrise is at 6:24 am and sunset at 7:33 pm CDT.
Sunshine
The average sunshine in August in Sterling is 9.7h.UV index
In August, the average daily maximum UV index in Sterling is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Sterling?
What is the average humidity in August in Sterling?
How many days does it rain in August in Sterling?
When it does not snow in Sterling?
What is the average length of the day in August in Sterling?
What time are sunrise and sunset in August in Sterling?
How many hours of sunshine does Sterling have in August?
What is the UV index intensity in August in Sterling?
Average temperature in August
Sterling, IL
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in August
Sterling, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Sterling, IL
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Sterling, IL
- Average humidity in August: 83%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Sterling, IL
- Average rainfall in August: 1.34"
The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in August
Sterling, IL
- Average rainfall days in August: 12.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in August
Sterling, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Sterling, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.2 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
Sterling, IL
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Sterling, IL
- Average sunshine days in August: 15.8 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in August
Sterling, 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 December (UV index 1).
Average cloud cover in August
Sterling, IL
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in August
Sterling, 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).
Sterling, Illinois, USA
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