August weather forecast
Napoleon, IN

Weather in August

The last month of the summer, August, is another warm month in Napoleon, Indiana, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 82°F (27.8°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still moderately hot 82°F (27.8°C). In August, the average low-temperature is 63.3°F (17.4°C).

Heat index

In August, the average heat index is computed to be a tropical 87.8°F (31°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, wind, metabolic differences, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In August, the rain falls for 15.9 days. Throughout August, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in Napoleon, Indiana, there are 169.3 rainfall days, and 36.18" (919mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Napoleon, the average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 6:41 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:14 pm EDT.

Sunshine

The average sunshine in August is 9.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Napoleon. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Napoleon?

In August, in Napoleon, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 63.3°F (17.4°C). in August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 87.8°F (31°C).

What is the average humidity in August in Napoleon?

In Napoleon, Indiana, the average relative humidity in August is 78%.

How much does it rain in Napoleon in August?

In August, in Napoleon, Indiana, the rain falls for 15.9 days. Throughout August, 2.68" (68mm) of precipitation is accumulated.

When it does not snow in Napoleon?

In Napoleon, Indiana, snow does not fall in May through September.

How many hours of daylight does Napoleon have in August?

The average day length in August is 13h and 40min.

What time are sunrise and sunset in August in Napoleon?

On the first day of August in Napoleon, Indiana, sunrise is at 6:41 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:14 pm EDT.

How long on average sun shines in August in Napoleon?

The average sunshine duration in August in Napoleon is 9.7h.

When is the highest UV index in Napoleon?

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

How high is the UV index in August in Napoleon?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Napoleon, IN

Average temperature in August - Napoleon, IN
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in August
Napoleon, IN

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

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Napoleon, IN

Average wind speed in August - Napoleon, IN
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in August
Napoleon, IN

Average humidity in August - Napoleon, IN
  • Average humidity in August: 78%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Napoleon, IN

Average rainfall in August - Napoleon, IN
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in August
Napoleon, IN

Average rainfall days in August - Napoleon, IN
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall in August
Napoleon, IN

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

The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Napoleon, IN

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

The month with the highest number of snowfall days is January (8.1 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
Napoleon, IN

Average daylight in August / Average sunshine in August - Napoleon, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
Napoleon, IN

Average sunshine days in August - Napoleon, IN
  • Average sunshine days in August: 12.2 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.8 days).

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Average UV index in August
Napoleon, IN

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Napoleon, IN

Average cloud cover in August - Napoleon, IN
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Napoleon, IN

Average visibility in August - Napoleon, IN
  • Average visibility in August: 6mi

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

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