August weather forecastVestavia Hills, AL
August
Weather in August
August in Vestavia Hills, Alabama often sees high temperatures similar to July. While the 90.1°F (32.3°C) average daytime temperature continues to endorse summer activities, the slight decrease hints at the impending arrival of fall. This period is known for its vivid sunsets characterized by lingering daylight hours. Moreover, despite the intense afternoon heat, evenings cool down to 71.2°F (21.8°C), providing a much-needed break from the summer heat. Overall, the inevitable transition from summer to fall is distinctly apparent in the pattern of August weather.Temperature
Vestavia Hills experiences a recorded average high-temperature of a still hot 90.1°F (32.3°C) in August, closely aligned with July's 90.9°F (32.7°C). An average nighttime temperature of 71.2°F (21.8°C) is observed during August.Heat index
August's average heat index is calculated to be a blisteringly hot 107.6°F (42°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Always consider that heat index estimations are for light winds and places in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In Vestavia Hills, the average relative humidity in August is 72%.Rainfall
August is the month with the most rainfall. Rain falls for 18 days and accumulates 2.24" (57mm) of precipitation.Snowfall
April through November are months without snowfall in Vestavia Hills.Daylight
In August, the average length of the day is 13h and 22min.On the first day of August, sunrise is at 6:00 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:13 pm CDT.
Sunshine
In Vestavia Hills, Alabama, the average sunshine in August is 10.3h.UV index
July and August, with an average maximum UV index of 7, are months with the highest UV index in Vestavia Hills. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Vestavia Hills, AL
- Average high temperature in August: 90.1°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in August: 71.2°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in August
Vestavia Hills, AL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in August
Vestavia Hills, AL
- Average wind speed in August: 4.5mph
The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in August
Vestavia Hills, AL
- Average humidity in August: 72%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Vestavia Hills, AL
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.02").
Average rainfall days in August
Vestavia Hills, AL
- Average rainfall days in August: 18 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in August
Vestavia Hills, AL
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Vestavia Hills, AL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1 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
Vestavia Hills, AL
- Average daylight in August: 13h and 24min
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: 10h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Vestavia Hills, AL
- Average sunshine days in August: 10 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in August
Vestavia Hills, AL
- Average UV index in August: 7
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in August
Vestavia Hills, AL
- Average cloud cover in August: 31
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, September and October (Cloud cover 30).
Average visibility in August
Vestavia Hills, AL
- 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).





