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
At the start of August, Shelbyville's average high-temperature reaches a still moderately hot 78.1°F (25.6°C), subtly different from the preceding month. The average nighttime temperature lowers to a moderate 60.4°F (15.8°C) throughout August.Humidity
In Shelbyville, the average relative humidity in August is 79%.Rainfall
In Shelbyville, in August, it is raining for 13.1 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 137.6 rainfall days, and 19.41" (493mm) of precipitation is accumulated.Snowfall
In Shelbyville, Michigan, snow does not fall in June through September.Daylight
In Shelbyville, the average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 6:35 am and sunset at 9:02 pm. On the last day of August, sunrise is at 7:07 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in August is 9.9h.UV index
June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in August leads to these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Shelbyville have in August?
What is the month with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Shelbyville, MI
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in August
Shelbyville, MI
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Shelbyville, MI
- Average wind speed in August: 6.5mph
The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in August
Shelbyville, MI
- Average humidity in August: 79%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Shelbyville, MI
- Average rainfall in August: 1.65"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in August
Shelbyville, MI
- Average rainfall days in August: 13.1 days
The month with the highest number of rainy days is October (15 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in August
Shelbyville, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Shelbyville, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Shelbyville, MI
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in August
Shelbyville, MI
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is February (9 days).
Average UV index in August
Shelbyville, MI
- Average UV index in August: 6
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Shelbyville, MI
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in August
Shelbyville, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Shelbyville, Michigan, USA
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