August weather forecast
Union Grove, AL

Share

Weather in August

The last month of the summer, August, is also a hot month in Union Grove, Alabama, with an average temperature varying between 88°F (31.1°C) and 67.6°F (19.8°C).

Temperature

With the transition into August, Union Grove notes an average high-temperature of a still hot 88°F (31.1°C), closely resembling July. Throughout August, Union Grove records an average temperature of 67.6°F (19.8°C) at night.

Heat index

The heat index for August is estimated at an extremely hot 104°F (40°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
In the scope of the heat index, its values resonate with shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. 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. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in August is 76%.

Rainfall

In Union Grove, during August, the rain falls for 18.9 days and regularly aggregates up to 3.82" (97mm) of precipitation. In Union Grove, during the entire year, the rain falls for 172.8 days and collects up to 41.26" (1048mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 24min.
On the first day of August in Union Grove, sunrise is at 5:57 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:12 pm CDT.

Sunshine

The average sunshine in August is 10.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 6 in August transforms into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

In August, in Union Grove, the average high-temperature is 88°F (31.1°C), and the average low-temperature is 67.6°F (19.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 104°F (40°C).

What is the average humidity in August?

In Union Grove, the average relative humidity in August is 76%.

How much does it rain in August?

In Union Grove, in August, it is raining for 18.9 days, with typically 3.82" (97mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Union Grove have in August?

In Union Grove, the average day length in August is 13h and 24min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:12 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.1h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in August?

In Union Grove, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Union Grove, AL

Average temperature in August - Union Grove, AL
  • Average high temperature in August: 88°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.4°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in August
Union Grove, AL

Average pressure in August - Union Grove, AL
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in August
Union Grove, AL

Average wind speed in August - Union Grove, AL
  • Average wind speed in August: 4.5mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in August
Union Grove, AL

Average humidity in August - Union Grove, AL
  • Average humidity in August: 76%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
Union Grove, AL

Average rainfall in August - Union Grove, AL
  • Average rainfall in August: 3.82"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in August
Union Grove, AL

Average rainfall days in August - Union Grove, AL
  • Average rainfall days in August: 18.9 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in August
Union Grove, AL

Average snowfall in August - Union Grove, AL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Union Grove, AL

Average snowfall days in August - Union Grove, AL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Union Grove, AL

Average daylight in August / Average sunshine in August - Union Grove, AL
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 10h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
Union Grove, AL

Average sunshine days in August - Union Grove, AL
  • Average sunshine days in August: 10.4 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in August
Union Grove, AL

Average UV index in August - Union Grove, AL
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in August
Union Grove, AL

Average cloud cover in August - Union Grove, AL
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 31).

Average visibility in August
Union Grove, AL

Average visibility in August - Union Grove, AL
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Union Grove, Alabama, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location