July weather forecast
Letts, IN

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Weather in July

July, the same as June, is a moderately hot summer month in Letts, Indiana, with an average temperature ranging between max 83.1°F (28.4°C) and min 65.3°F (18.5°C).

Temperature

July is the month when Letts sees the highest average temperatures, with a high of 83.1°F (28.4°C) and a low of 65.3°F (18.5°C).

Heat index

Throughout July, the heat index is estimated at a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In Letts, the average relative humidity in July is 81%.

Rainfall

In July, the rain falls for 15.1 days. Throughout July, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 137.6 rainfall days, and 17.99" (457mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in July in Letts is 14h and 37min.
On the first day of the month, sunrise is at 6:19 am and sunset at 9:12 pm. On the last day of July, sunrise is at 6:42 am and sunset at 8:54 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.3h 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 health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

Letts experiences its highest temperatures in July, with an average peak of 83.1°F (28.4°C) and a low of 65.3°F (18.5°C).

How hot is it in July?

During July, Letts experiences an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 65.3°F (18.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in July?

In Letts, Indiana, the average relative humidity in July is 81%.

How much does it rain in July?

In Letts, in July, it is raining for 15.1 days, with typically 1.81" (46mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in July?

The average day length in July is 14h and 37min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 6:19 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 8:54 pm EDT.

What month has the most sunshine?

The month with the most sunshine in Letts is July, with an average of 10.3h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 10.3h.

When is 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 July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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 July
Letts, IN

Average temperature in July - Letts, IN
  • Average high temperature in July: 83.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in July: 65.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in July
Letts, IN

Average pressure in July - Letts, IN
  • Average pressure in July: 29.97"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Letts, IN

Average wind speed in July - Letts, IN
  • Average wind speed in July: 5.4mph

The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in July
Letts, IN

Average humidity in July - Letts, IN
  • Average humidity in July: 81%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).

Average rainfall in July
Letts, IN

Average rainfall in July - Letts, IN
  • Average rainfall in July: 1.81"

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 July
Letts, IN

Average rainfall days in July - Letts, IN
  • Average rainfall days in July: 15.1 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in July
Letts, IN

Average snowfall in July - Letts, IN
  • Average snowfall in July: 0"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Letts, IN

Average snowfall days in July - Letts, IN
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Letts, IN

Average daylight in July / Average sunshine in July - Letts, IN
  • Average daylight in July: 14h 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 July: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Letts, IN

Average sunshine days in July - Letts, IN
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.4 days).

Average UV index in July
Letts, IN

Average UV index in July - Letts, 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
Letts, IN

Average cloud cover in July - Letts, IN
  • Average cloud cover in July: 32

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in July
Letts, IN

Average visibility in July - Letts, IN
  • Average visibility in July: 5mi

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

Letts, Indiana, USA

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