August weather forecastCenterville, OH
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Centerville, Ohio, with an average temperature ranging between max 81.1°F (27.3°C) and min 62.8°F (17.1°C).Temperature
The shift from July to August is characterized by an average high-temperature of a still warm 81.1°F (27.3°C), not significantly different from the 81.5°F (27.5°C) of July. August brings with it a nighttime average temperature of 62.8°F (17.1°C).Heat index
Throughout August, the heat index is evaluated at a tropical 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. 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 extremely vital to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Centerville, the average relative humidity in August is 79%.Rainfall
In Centerville, during August, the rain falls for 12.9 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Centerville, during the entire year, the rain falls for 139.3 days and collects up to 19.92" (506mm) of precipitation.Snowfall
In Centerville, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 41min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:49 pm. On the last day of August, sunrise is at 7:04 am and sunset at 8:08 pm EDT.
Sunshine
June and August, with an average of 10.2h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Centerville, OH
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in August: 62.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in August
Centerville, OH
- Average pressure in August: 29.99"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Centerville, OH
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Centerville, OH
- Average humidity in August: 79%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Centerville, OH
- Average rainfall in August: 1.57"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is October (1.18").
Average rainfall days in August
Centerville, OH
- Average rainfall days in August: 12.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in August
Centerville, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Centerville, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.5 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
Centerville, OH
- 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 12min
The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Centerville, OH
- Average sunshine days in August: 15.1 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in August
Centerville, OH
- Average UV index in August: 6
The months with the highest UV index are May, 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
Centerville, OH
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Centerville, OH
- 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).





