August weather forecastCollinsville, OH
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Collinsville, Ohio, with an average temperature varying between 80.8°F (27.1°C) and 62.4°F (16.9°C).Temperature
The shift from July to August is characterized by an average high-temperature of a still warm 80.8°F (27.1°C), not significantly different from the 81.5°F (27.5°C) of July. Collinsville's average low-temperature in the month of August is recorded at an enjoyable 62.4°F (16.9°C).Heat index
August's mean heat index is evaluated at a hot 86°F (30°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In August, the average relative humidity is 79%.Rainfall
In Collinsville, in August, it is raining for 15.2 days, with typically 2.4" (61mm) of accumulated precipitation. In Collinsville, during the entire year, the rain falls for 169 days and collects up to 31.85" (809mm) of precipitation.Snowfall
In Collinsville, Ohio, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 40min.On the first day of the month, sunrise is at 6:38 am and sunset at 8:50 pm. On the last day of August, in Collinsville, Ohio, sunrise is at 7:06 am and sunset at 8:10 pm EDT.
Sunshine
In Collinsville, the average sunshine in August is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Collinsville. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 6 in August transforms into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Collinsville, OH
- Average high temperature in August: 80.8°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: 62.4°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Collinsville, OH
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Collinsville, OH
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in August
Collinsville, OH
- Average humidity in August: 79%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in August
Collinsville, OH
- Average rainfall in August: 2.4"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in August
Collinsville, OH
- Average rainfall days in August: 15.2 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in August
Collinsville, OH
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Collinsville, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Collinsville, 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 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Collinsville, OH
- Average sunshine days in August: 12.6 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in August
Collinsville, OH
- 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
Collinsville, OH
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Collinsville, OH
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
