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
Collinsville's August weather reaches an average high of 94.6°F (34.8°C) and an average low of 74.3°F (23.5°C), making it the warmest month.Heat index
Throughout August, the heat index is calculated to be an extremely hot 111.2°F (44°C). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
With an average relative humidity of 59%, August is the least humid month in Collinsville.Rainfall
In Collinsville, in August, it is raining for 6.9 days, with typically 0.67" (17mm) of accumulated precipitation. In Collinsville, during the entire year, the rain falls for 77.1 days and collects up to 7.05" (179mm) of precipitation.Snowfall
January, March through December are months without snowfall in Collinsville.Daylight
In August, the average length of the day is 13h and 22min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:27 pm. On the last day of August, in Collinsville, sunrise is at 7:01 am and sunset at 7:53 pm CDT.
Sunshine
August has the most sunshine of the year in Collinsville, Texas, with an average of 11.2h of sunshine.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index in Collinsville. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 7 in August translates into these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Collinsville?
How hot does it get in Collinsville in August?
What is the least humid month in Collinsville?
What is the average humidity in August in Collinsville?
How much does it rain in Collinsville in August?
When it does not snow in Collinsville?
What is the average length of the day in August in Collinsville?
When is the sunrise / sunset in August in Collinsville?
What month has the most sunshine in Collinsville?
How many hours of sunshine does Collinsville have in August?
When is the highest UV index in Collinsville?
What is the UV index reading in August in Collinsville?
Average temperature in August
Collinsville, TX
- Average high temperature in August: 94.6°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in August: 74.3°F
The months with the highest average low temperature are July and August (74.3°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in August
Collinsville, TX
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Collinsville, TX
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in August
Collinsville, TX
- Average humidity in August: 59%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).
Average rainfall in August
Collinsville, TX
- Average rainfall in August: 0.67"
The wettest month (with the highest rainfall) is October (0.98").
The driest months (with the least rainfall) are February and December (0.31").
Average rainfall days in August
Collinsville, TX
- Average rainfall days in August: 6.9 days
The month with the highest number of rainy days is May (9 days).
The month with the least rainy days is January (3 days).
Average snowfall in August
Collinsville, TX
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Collinsville, TX
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Collinsville, TX
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 11h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in August
Collinsville, TX
- Average sunshine days in August: 21.4 days
The month with the most sunshine days is January (27.1 days).
The months with the least sunshine days are May and September (19.4 days).
Average UV index in August
Collinsville, TX
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in August
Collinsville, TX
- Average cloud cover in August: 19
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in August
Collinsville, TX
- 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).
Collinsville, Texas, USA
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