August weather forecast
West Lafayette, OH

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Weather in August

The last month of the summer, August, is another warm month in West Lafayette, Ohio, with an average temperature varying between 81.5°F (27.5°C) and 60.4°F (15.8°C).

Temperature

August's advent notes a subtle adjustment in average high-temperature to a still moderately hot 81.5°F (27.5°C) from July. In the month of August, West Lafayette's average low-temperature falls to a refreshing 60.4°F (15.8°C).

Heat index

August's heat index is computed to be a hot 87.8°F (31°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. 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 are extremely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In West Lafayette, in August, it is raining for 12.6 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 137.2 rainfall days, and 17.6" (447mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:25 am and sunset at 8:41 pm. On the last day of August, sunrise is at 6:54 am and sunset at 7:59 pm EDT.

Sunshine

August has the most sunshine of the year in West Lafayette, Ohio, with an average of 10.4h of sunshine.

UV index

The average daily maximum UV index in August in West Lafayette is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 5 in August transforms into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in West Lafayette?

In West Lafayette, in August, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in August in West Lafayette?

In West Lafayette, Ohio, the average relative humidity in August is 78%.

How much does it rain in West Lafayette in August?

In August, in West Lafayette, Ohio, the rain falls for 12.6 days. Throughout August, 1.22" (31mm) of precipitation is accumulated.

When it does not snow in West Lafayette?

In West Lafayette, snow does not fall in May through October.

What is the average length of the day in August in West Lafayette?

The average day length in August in West Lafayette, Ohio, is 13h and 43min.

When are sunrise and sunset in August in West Lafayette?

In August, on the first day of the month, sunrise is at 6:25 am and sunset at 8:41 pm. On the last day of the month, in West Lafayette, sunrise is at 6:54 am and sunset at 7:59 pm EDT.

What month has the most sunshine in West Lafayette?

August has the most sunshine of the year, with an average of 10.4h of sunshine.

How many hours of sunshine does West Lafayette have in August?

In August, the average sunshine duration is 10.4h.

What is the UV index reading in August in West Lafayette?

In August, the average daily maximum UV index in West Lafayette, Ohio, is 5. A UV Index value of 3 to 5 symbolizes a medium 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
West Lafayette, OH

Average temperature in August - West Lafayette, OH
  • Average high temperature in August: 81.5°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 (32.7°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in August
West Lafayette, OH

Average pressure in August - West Lafayette, OH
  • Average pressure in August: 29.99"Hg

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

Average wind speed in August
West Lafayette, OH

Average wind speed in August - West Lafayette, OH
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in August
West Lafayette, OH

Average humidity in August - West Lafayette, OH
  • Average humidity in August: 78%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April and November (77%).

Average rainfall in August
West Lafayette, OH

Average rainfall in August - West Lafayette, OH
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").

Average rainfall days in August
West Lafayette, OH

Average rainfall days in August - West Lafayette, OH
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is May (16.4 days).
The months with the least rainy days are February and November (7.7 days).

Average snowfall in August
West Lafayette, OH

Average snowfall in August - West Lafayette, OH
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
West Lafayette, OH

Average snowfall days in August - West Lafayette, OH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
West Lafayette, OH

Average daylight in August / Average sunshine in August - West Lafayette, OH
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in August
West Lafayette, OH

Average sunshine days in August - West Lafayette, OH
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11 days).

Average UV index in August
West Lafayette, OH

Average UV index in August - West Lafayette, OH
  • 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
West Lafayette, OH

Average cloud cover in August - West Lafayette, OH
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
West Lafayette, OH

Average visibility in August - West Lafayette, OH
  • Average visibility in August: 5mi

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

West Lafayette, Ohio, USA

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