August weather forecastShelbyville, MO
August
Weather in August
August, the last month of the summer in Shelbyville, is another warm month, with an average temperature varying between 64.9°F (18.3°C) and 83.3°F (28.5°C).Temperature
August ushers in an average high-temperature of a still moderately hot 83.3°F (28.5°C), aligning closely with the preceding month. Shelbyville witnesses an average low-temperature of 64.9°F (18.3°C) throughout the month of August.Heat index
The heat index for August is appraised at a hot 91.4°F (33°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
The average relative humidity in August is 78%.Rainfall
In Shelbyville, in August, during 13 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Shelbyville, during the entire year, the rain falls for 133.9 days and collects up to 26.69" (678mm) of precipitation.Snowfall
May through September are months without snowfall in Shelbyville.Daylight
The average length of the day in August is 13h and 41min.On the first day of August in Shelbyville, sunrise is at 6:07 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:40 pm CDT.
Sunshine
The average sunshine in August in Shelbyville is 10.1h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, an average UV index of 6 transforms into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Shelbyville, MO
- Average high temperature in August: 83.3°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in August: 64.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in August
Shelbyville, MO
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Shelbyville, MO
- Average wind speed in August: 6.5mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in August
Shelbyville, MO
- Average humidity in August: 78%
The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Shelbyville, MO
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Shelbyville, MO
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in August
Shelbyville, MO
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Shelbyville, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.7 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
Shelbyville, MO
- Average daylight in August: 13h and 42min
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: 10h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Shelbyville, MO
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in August
Shelbyville, MO
- 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
Shelbyville, MO
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in August
Shelbyville, MO
- 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).
