August weather forecastLavaca, AR
August
Weather in August
The last month of the summer, August, is another hot month in Lavaca, Arkansas, with an average temperature ranging between max 91.4°F (33°C) and min 68.5°F (20.3°C).Temperature
At the start of August, Lavaca's average high-temperature reaches a still tropical 91.4°F (33°C), subtly different from the preceding month. Despite substantial daily fluctuations, the average low-temperature in Lavaca is a pleasant 68.5°F (20.3°C) during August.Heat index
The average heat index in August is calculated to be a blisteringly hot 109.4°F (43°C). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 particularly important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
July and August, with an average relative humidity of 70%, are the least humid months in Lavaca.Rainfall
In August, the rain falls for 11.8 days. Throughout August, 1.34" (34mm) of precipitation is accumulated. In Lavaca, during the entire year, the rain falls for 106.9 days and collects up to 10.71" (272mm) of precipitation.Snowfall
In Lavaca, snow does not fall in April through October.Daylight
The average length of the day in August is 13h and 27min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:19 pm. On the last day of August, in Lavaca, sunrise is at 6:48 am and sunset at 7:44 pm CDT.
Sunshine
The months with the most sunshine in Lavaca are July and August, with an average of 10.8h of sunshine.UV index
The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 6 in August transforms into the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lavaca, AR
- Average high temperature in August: 91.4°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in August: 68.5°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in August
Lavaca, AR
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Lavaca, AR
- Average wind speed in August: 4.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in August
Lavaca, AR
- Average humidity in August: 70%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in August
Lavaca, AR
- Average rainfall in August: 1.34"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days in August
Lavaca, AR
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in August
Lavaca, AR
- Average snowfall in August: 0"
The month with the highest snowfall is March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Lavaca, AR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Lavaca, AR
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in August
Lavaca, AR
- Average sunshine days in August: 14.5 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is August (14.5 days).
Average UV index in August
Lavaca, AR
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in August
Lavaca, AR
- Average cloud cover in August: 24
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in August
Lavaca, AR
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
