July weather forecast
West Lafayette, IN

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Weather in July

July, like June, in West Lafayette, Indiana, is a moderately hot summer month, with an average temperature fluctuating between 81.1°F (27.3°C) and 64°F (17.8°C).

Temperature

West Lafayette's temperature records reveal July as the warmest month, marked by average highs of 81.1°F (27.3°C) and lows of 64°F (17.8°C).

Heat index

The heat index value during July is appraised at a tropical 87.8°F (31°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. 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 essentially critical for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The most humid month in West Lafayette, Indiana, is July, with an average relative humidity of 84%.

Rainfall

In July, in West Lafayette, the rain falls for 17.4 days. Throughout July, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 153.1 rainfall days, and 22.13" (562mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day is 14h and 43min.
On the first day of the month, sunrise is at 6:21 am and sunset at 9:21 pm. On the last day of July, in West Lafayette, Indiana, sunrise is at 6:44 am and sunset at 9:03 pm EDT.

Sunshine

June and July, with an average of 9.9h of sunshine, are months with the most sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in West Lafayette?

July, recording an average high temperature of 81.1°F (27.3°C) and a low temperature of 64°F (17.8°C), is West Lafayette's warmest month.

What is the usual temperature for West Lafayette in July?

The average high-temperature and low-temperature in West Lafayette, Indiana, during July are 81.1°F (27.3°C) and 64°F (17.8°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 87.8°F (31°C).

What is the most humid month in West Lafayette?

The most humid month in West Lafayette is July, with an average relative humidity of 84%.

What is the average humidity in July in West Lafayette?

In West Lafayette, the average relative humidity in July is 84%.

How many days does it rain in July in West Lafayette?

In July, in West Lafayette, Indiana, the rain falls for 17.4 days. Throughout July, 2.32" (59mm) of precipitation is accumulated.

When it does not snow in West Lafayette?

May through October are months without snowfall in West Lafayette.

How many hours of daylight does West Lafayette have in July?

In July, the average day length in West Lafayette, Indiana, is 14h and 43min.

When are sunrise and sunset in July in West Lafayette?

In July, on the first day of the month, sunrise is at 6:21 am and sunset at 9:21 pm. On the last day of the month, in West Lafayette, Indiana, sunrise is at 6:44 am and sunset at 9:03 pm EDT.

What is the month with the most sunshine in West Lafayette?

The months with the most sunshine in West Lafayette are June and July, with an average of 9.9h of sunshine.

How long on average sun shines in July in West Lafayette?

In West Lafayette, Indiana, the average sunshine duration in July is 9.9h.

What are the months with the highest UV index in West Lafayette?

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

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

The average daily maximum UV index in July in West Lafayette, Indiana, is 6. A UV Index reading of 6 to 7 represents a high health threat 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 July
West Lafayette, IN

Average temperature in July - West Lafayette, IN
  • Average high temperature in July: 81.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in July
West Lafayette, IN

Average pressure in July - West Lafayette, IN
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
West Lafayette, IN

Average wind speed in July - West Lafayette, IN
  • Average wind speed in July: 6.2mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in July
West Lafayette, IN

Average humidity in July - West Lafayette, IN
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

Average rainfall in July
West Lafayette, IN

Average rainfall in July - West Lafayette, IN
  • Average rainfall in July: 2.32"

The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").

Average rainfall days in July
West Lafayette, IN

Average rainfall days in July - West Lafayette, IN
  • Average rainfall days in July: 17.4 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.5 days).

Average snowfall in July
West Lafayette, IN

Average snowfall in July - West Lafayette, IN
  • Average snowfall in July: 0"

The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
West Lafayette, IN

Average snowfall days in July - West Lafayette, IN
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
West Lafayette, IN

Average daylight in July / Average sunshine in July - West Lafayette, IN
  • Average daylight in July: 14h 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 18min).

  • Average sunshine in July: 9h and 5min

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in July
West Lafayette, IN

Average sunshine days in July - West Lafayette, IN
  • Average sunshine days in July: 10 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in July
West Lafayette, IN

Average UV index in July - West Lafayette, IN
  • Average UV index in July: 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).

Average cloud cover in July
West Lafayette, IN

Average cloud cover in July - West Lafayette, IN
  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 33).

Average visibility in July
West Lafayette, IN

Average visibility in July - West Lafayette, IN
  • Average visibility in July: 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).

West Lafayette, Indiana, USA

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