August weather forecast
Seymour, IN

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Weather in August

The last month of the summer, August, is also a moderately hot month in Seymour, Indiana, with an average temperature varying between 64.2°F (17.9°C) and 83.8°F (28.8°C).

Temperature

Seymour's entry into August measures an average high-temperature of a still warm 83.8°F (28.8°C), closely parallel to the preceding month. In Seymour, an average temperature of 64.2°F (17.9°C) is noted during August nights.

Heat index

August's mean heat index is appraised at a hot 93.2°F (34°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

The average relative humidity in August in Seymour is 77%.

Rainfall

In Seymour, during August, the rain falls for 13.7 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Seymour, during the entire year, the rain falls for 163.7 days and collects up to 33.11" (841mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day in Seymour is 13h and 38min.
On the first day of the month, sunrise is at 6:45 am and sunset at 8:54 pm. On the last day of August, sunrise is at 7:12 am and sunset at 8:15 pm EDT.

Sunshine

The average sunshine in August in Seymour is 9.6h.

UV index

The months with the highest UV index in Seymour are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

How hot is August in Seymour?

During August, Seymour experiences an average high-temperature of 83.8°F (28.8°C) and a low-temperature of 64.2°F (17.9°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 93.2°F (34°C).

What is the average humidity in August in Seymour?

In August, the average relative humidity in Seymour is 77%.

How much does it rain in Seymour in August?

In Seymour, during August, the rain falls for 13.7 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow in Seymour?

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

What is the average length of the day in August in Seymour?

In Seymour, Indiana, the average day length in August is 13h and 38min.

When are sunrise and sunset in August in Seymour?

On the first day of August in Seymour, sunrise is at 6:45 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Seymour have in August?

In Seymour, the average sunshine duration in August is 9.6h.

What are the months with the highest UV index in Seymour?

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

What is the UV index reading in August in Seymour?

In Seymour, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes 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
Seymour, IN

Average temperature in August - Seymour, IN
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in August: 64.2°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 (23.4°F).

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Average pressure in August
Seymour, IN

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Seymour, IN

Average wind speed in August - Seymour, IN
  • Average wind speed in August: 5mph

The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in August
Seymour, IN

Average humidity in August - Seymour, IN
  • Average humidity in August: 77%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Seymour, IN

Average rainfall in August - Seymour, IN
  • Average rainfall in August: 2.17"

The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in August
Seymour, IN

Average rainfall days in August - Seymour, IN
  • Average rainfall days in August: 13.7 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).

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Average snowfall in August
Seymour, IN

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

The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Seymour, IN

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

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Seymour, 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 30min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).

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Average sunshine days in August
Seymour, IN

Average sunshine days in August - Seymour, IN
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).

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Average UV index in August
Seymour, IN

Average UV index in August - Seymour, IN
  • Average UV index in August: 6

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

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Average cloud cover in August
Seymour, IN

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Seymour, IN

Average visibility in August - Seymour, IN
  • Average visibility in August: 5mi

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

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Seymour, Indiana, USA

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