August weather forecast
Southport, IN

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Weather in August

August, the last month of the summer in Southport, is also a moderately hot month, with an average temperature fluctuating between 63.9°F (17.7°C) and 81.5°F (27.5°C).

Temperature

The dawn of August sees an average high-temperature of a still warm 81.5°F (27.5°C), subtly contrasting with July's 82.4°F (28°C). Southport encounters a steady low-temperature average of 63.9°F (17.7°C) throughout the month of August.

Heat index

August's heat index is evaluated at a tropical 87.8°F (31°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Consider that heat index readings are for situations in the shade and light wind. 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 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. 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 hold great significance to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In August, the average relative humidity is 80%.

Rainfall

In Southport, in August, during 15.6 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Southport, during the entire year, the rain falls for 161.8 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

In Southport, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 41min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:57 pm. On the last day of August, sunrise is at 7:12 am and sunset at 8:16 pm EDT.

Sunshine

The average sunshine in August is 9.6h.

UV index

In Southport, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in August translates into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

In August, in Southport, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 63.9°F (17.7°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 87.8°F (31°C).

What is the average humidity in August?

In Southport, the average relative humidity in August is 80%.

How much does it rain in August?

In Southport, during August, the rain falls for 15.6 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In Southport, the average day length in August is 13h and 41min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:44 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 8:16 pm EDT.

How long on average sun shines in August in Southport?

In August, the average sunshine duration is 9.6h.

What is the UV index intensity in August?

In Southport, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Southport, IN

Average temperature in August - Southport, IN
  • Average high temperature in August: 81.5°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

Average pressure in August
Southport, IN

Average pressure in August - Southport, IN
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Southport, IN

Average wind speed in August - Southport, IN
  • Average wind speed in August: 5.6mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in August
Southport, IN

Average humidity in August - Southport, IN
  • Average humidity in August: 80%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
Southport, IN

Average rainfall in August - Southport, IN
  • Average rainfall in August: 2.36"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.81").

Average rainfall days in August
Southport, IN

Average rainfall days in August - Southport, IN
  • Average rainfall days in August: 15.6 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in August
Southport, IN

Average snowfall in August - Southport, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Southport, IN

Average snowfall days in August - Southport, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Southport, IN

Average daylight in August / Average sunshine in August - Southport, IN
  • Average daylight in August: 13h and 4min

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

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Southport, IN

Average sunshine days in August - Southport, IN
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.5 days).

Average UV index in August
Southport, IN

Average UV index in August - Southport, IN
  • Average UV index in August: 5

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

Average cloud cover in August
Southport, IN

Average cloud cover in August - Southport, IN
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in August
Southport, IN

Average visibility in August - Southport, IN
  • 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).

Southport, Indiana, USA

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