August weather forecastAlvin, TX
August
Weather in August
The last month of the summer, August, is another tropical month in Alvin, Texas, with an average temperature ranging between min 78.6°F (25.9°C) and max 90.9°F (32.7°C).Temperature
Alvin, Texas, reaches its highest average temperatures in August, measuring 90.9°F (32.7°C) at the peak and 78.6°F (25.9°C) at the lowest.Heat index
The heat index value during August is estimated at a blistering 111.2°F (44°C). Keep wary: Heat cramps along with heat exhaustion are expected. Heatstroke is a possible outcome of ongoing activity.It is important to note that the heat index values are for shaded areas and light wind scenarios. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely 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.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The average relative humidity in August in Alvin is 74%.Rainfall
In Alvin, in August, during 18.3 rainfall days, 4.45" (113mm) of precipitation is typically accumulated. Throughout the year, in Alvin, there are 180.4 rainfall days, and 38.39" (975mm) of precipitation is accumulated.Snowfall
In Alvin, Texas, snow does not fall in February through December.Daylight
In Alvin, the average length of the day in August is 13h and 10min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:13 pm. On the last day of August, in Alvin, sunrise is at 6:58 am and sunset at 7:43 pm CDT.
Sunshine
August has the most sunshine of the year, with an average of 10.8h of sunshine.UV index
The months with the highest UV index in Alvin are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 7 in August translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Alvin, TX
- Average high temperature in August: 90.9°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in August: 78.6°F
The month with the highest average low temperature is August (78.6°F).
The coldest month (with the lowest average low temperature) is January (48.2°F).
Average pressure in August
Alvin, TX
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Alvin, TX
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in August
Alvin, TX
- Average humidity in August: 74%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Alvin, TX
- Average rainfall in August: 4.45"
The wettest month (with the highest rainfall) is September (5.94").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in August
Alvin, TX
- Average rainfall days in August: 18.3 days
The month with the highest number of rainy days is September (20.2 days).
The month with the least rainy days is January (12.4 days).
Average snowfall in August
Alvin, TX
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Alvin, TX
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Alvin, TX
- Average daylight in August: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in August: 10h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in August
Alvin, TX
- Average sunshine days in August: 10.4 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is September (8.3 days).
Average UV index in August
Alvin, TX
- Average UV index in August: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in August
Alvin, TX
- Average cloud cover in August: 26
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in August
Alvin, 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).





