August weather forecast
Lewis, IN

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Weather in August

The last month of the summer, August, is another warm month in Lewis, Indiana, with an average temperature varying between 64.4°F (18°C) and 82.8°F (28.2°C).

Temperature

During August, Lewis observes a subtle ascent to a still moderately hot 82.8°F (28.2°C) from July's 83.8°F (28.8°C) in the average high-temperature. During August, Lewis observes a consistent average nighttime temperature of 64.4°F (18°C).

Heat index

The heat index in August is calculated to be a hot 91.4°F (33°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular 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

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

Rainfall

In Lewis, Indiana, in August, during 12.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, in Lewis, there are 147.4 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Lewis.

Daylight

In Lewis, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:49 am and sunset at 9:00 pm. On the last day of August, in Lewis, sunrise is at 7:17 am and sunset at 8:20 pm EDT.

Sunshine

In August, the average sunshine is 9.4h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Lewis. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

How hot is August in Lewis?

In August, in Lewis, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 64.4°F (18°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

What is the average humidity in August in Lewis?

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

How many days does it rain in August in Lewis?

In Lewis, Indiana, in August, during 12.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Lewis?

May through October are months without snowfall in Lewis.

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

In Lewis, Indiana, the average day length in August is 13h and 40min.

What time are sunrise and sunset in August in Lewis?

In August, on the first day of the month, sunrise is at 6:49 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 8:20 pm EDT.

How many hours of sunshine does Lewis have in August?

In Lewis, Indiana, the average sunshine duration in August is 9.4h.

When is the highest UV index in Lewis?

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

What is the UV index intensity in August in Lewis?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes 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
Lewis, IN

Average temperature in August - Lewis, IN
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in August: 64.4°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in August
Lewis, IN

Average pressure in August - Lewis, IN
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Lewis, IN

Average wind speed in August - Lewis, IN
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in August
Lewis, IN

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

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Lewis, IN

Average rainfall in August - Lewis, IN
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in August
Lewis, IN

Average rainfall days in August - Lewis, IN
  • Average rainfall days in August: 12.5 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in August
Lewis, IN

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Lewis, IN

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

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Lewis, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days in August
Lewis, IN

Average sunshine days in August - Lewis, IN
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (9.1 days).

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Average UV index in August
Lewis, IN

Average UV index in August - Lewis, 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
Lewis, IN

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

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Lewis, IN

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

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

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Lewis, Indiana, USA

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