July weather forecast
Lafayette, IN

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Weather in July

July is typically the warmest month in Lafayette, with a rise in both temperature and humidity. The thermometer peaks with high values of around 81.1°F (27.3°C), making it the most blazing month. Despite these higher temperatures, the month allows: slight alleviation with a relative decrease in the average daily sunshine duration. Comparatively, July also experiences less wind than previous months, contributing to the sweltering heat that engulfs the city. It's a time when locals indulge in indoor activities or prefer shaded, breezy outdoor spots for relaxation.

Temperature

In Lafayette, the highest average temperatures are observed in July, with a high of 81.1°F (27.3°C) and a low of 64°F (17.8°C).

Heat index

July's heat index is evaluated at a hot 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

With an average relative humidity of 84%, July is the most humid month.

Rainfall

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

Snowfall

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

Daylight

The average length of the day in July 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, sunrise is at 6:44 am and sunset at 9:03 pm EDT.

Sunshine

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

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 threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in July suggests the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

July, marked by an average high-temperature of 81.1°F (27.3°C) and a low-temperature of 64°F (17.8°C), is the warmest month.

What is the temperature in July?

July temperatures vary between a high-temperature of 81.1°F (27.3°C) and a low-temperature of 64°F (17.8°C). In July, 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 evaluated at 87.8°F (31°C).

What is the most humid month?

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

What is the average humidity in July?

The average relative humidity in July is 84%.

How many days does it rain in July?

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

When it does not snow?

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

How many hours of daylight does Lafayette have in July?

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

What time are sunrise and sunset in July?

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

What are the months with the most sunshine?

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

How many hours of sunshine does Lafayette have in July?

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

What is the month 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 intensity in July in Lafayette?

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes 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
Lafayette, IN

Average temperature in July - 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
Lafayette, IN

Average pressure in July - 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
Lafayette, IN

Average wind speed in July - 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
Lafayette, IN

Average humidity in July - 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
Lafayette, IN

Average rainfall in July - 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
Lafayette, IN

Average rainfall days in July - 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
Lafayette, IN

Average snowfall in July - 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
Lafayette, IN

Average snowfall days in July - 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
Lafayette, IN

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

Average sunshine days in July - 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
Lafayette, IN

Average UV index in July - 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
Lafayette, IN

Average cloud cover in July - 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
Lafayette, IN

Average visibility in July - 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).

Lafayette, Indiana, USA

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