August weather forecast
Semmes, AL

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Weather in August

August, the last month of the summer in Semmes, is also a hot month, with an average temperature fluctuating between 90.5°F (32.5°C) and 76.6°F (24.8°C).

Temperature

During July and August, Semmes experiences its warmest period, with an average high-temperature of 90.5°F (32.5°C).

Heat index

For August, the heat index is estimated at a blistering 111.2°F (44°C). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In August, the average relative humidity is 74%.

Rainfall

The month with the most rainfall is August, when the rain falls for 24.3 days and typically aggregates up to 4.92" (125mm) of precipitation.

Snowfall

In Semmes, snow does not fall in February through December.

Daylight

The average length of the day in August is 13h and 14min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:47 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:16 pm CDT.

Sunshine

The average sunshine in August is 10.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in August interprets into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

The warmest period is usually observed in July and August, with the average high-temperature peaking at 90.5°F (32.5°C).

How hot does it get in August?

The high-temperature, in August, in Semmes, records 90.5°F (32.5°C), while the low-temperature is 76.6°F (24.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is estimated at 111.2°F (44°C).

What is the average humidity in August?

The average relative humidity in August is 74%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 24.3 days and typically aggregates up to 4.92" (125mm) of precipitation.

How many days does it rain in August?

In Semmes, during August, the rain falls for 24.3 days and regularly aggregates up to 4.92" (125mm) of precipitation.

When it does not snow?

February through December are months without snowfall.

How many hours of daylight does Semmes have in August?

In August, the average day length is 13h and 14min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:11 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:16 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.8h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in August?

In August, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk 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
Semmes, AL

Average temperature in August - Semmes, AL
  • Average high temperature in August: 90.5°F

The warmest months (with the highest average high temperature) are July and August (90.5°F).
The month with the lowest average high temperature is January (58.5°F).

  • Average low temperature in August: 76.6°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (43.9°F).

Average pressure in August
Semmes, AL

Average pressure in August - Semmes, AL
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in August
Semmes, AL

Average wind speed in August - Semmes, AL
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are January, February, March, April and December (7.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

Average humidity in August
Semmes, AL

Average humidity in August - Semmes, AL
  • Average humidity in August: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Semmes, AL

Average rainfall in August - Semmes, AL
  • Average rainfall in August: 4.92"

The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is February (1.34").

Average rainfall days in August
Semmes, AL

Average rainfall days in August - Semmes, AL
  • Average rainfall days in August: 24.3 days

The month with the highest number of rainy days is July (24.6 days).
The month with the least rainy days is November (7.2 days).

Average snowfall in August
Semmes, AL

Average snowfall in August - Semmes, AL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.16").
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
Semmes, AL

Average snowfall days in August - Semmes, AL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in August /
Average sunshine in August
Semmes, AL

Average daylight in August / Average sunshine in August - Semmes, AL
  • Average daylight in August: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).

Average sunshine days in August
Semmes, AL

Average sunshine days in August - Semmes, AL
  • Average sunshine days in August: 5.2 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (4.8 days).

Average UV index in August
Semmes, AL

Average UV index in August - Semmes, AL
  • 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 and December (UV index 3).

Average cloud cover in August
Semmes, AL

Average cloud cover in August - Semmes, AL
  • Average cloud cover in August: 28

The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 23).

Average visibility in August
Semmes, AL

Average visibility in August - Semmes, 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).

Semmes, Alabama, USA

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