August weather forecast
Lewis, IN

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Weather in August

August, the last month of the summer in Lewis, is also a moderately hot month, with an average temperature ranging between min 64.4°F (18°C) and max 82.8°F (28.2°C).

Temperature

August's advent notes a subtle adjustment in average high-temperature to a still moderately hot 82.8°F (28.2°C) from July. The month of August records an average low-temperature of 64.4°F (18°C).

Heat index

August's average heat index is appraised at a hot 91.4°F (33°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 80%.

Rainfall

In August, the rain falls for 12.5 days. Throughout August, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 147.4 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

In Lewis, snow does not fall in May through October.

Daylight

In August, the average length of the day 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, sunrise is at 7:17 am and sunset at 8:20 pm EDT.

Sunshine

In August, the average sunshine is 9.4h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Lewis in August?

The high-temperature, in August, in Lewis, is 82.8°F (28.2°C), while the low-temperature averages to 64.4°F (18°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 91.4°F (33°C).

What is the average humidity in August?

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

How many days does it rain in August?

In Lewis, in August, it is raining for 12.5 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

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

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

When is the sunrise / sunset in August?

On the first day of August, 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 long on average sun shines in August in Lewis?

In August, the average sunshine duration is 9.4h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Lewis, Indiana, USA

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