July weather forecast
Charlestown, IN

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Weather in July

July is a tropical summer month in Charlestown, Indiana, with an average temperature varying between 86.5°F (30.3°C) and 66.9°F (19.4°C).

Temperature

July is the month when Charlestown experiences its warmest temperatures, averaging a high of 86.5°F (30.3°C) and a low of 66.9°F (19.4°C).

Heat index

In July, the average heat index is calculated to be a very hot 98.6°F (37°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
In terms of the heat index, values are set with light wind and shade conditions in mind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In July, the average relative humidity is 76%.

Rainfall

In July, in Charlestown, the rain falls for 16.8 days. Throughout July, 2.83" (72mm) of precipitation is accumulated. Throughout the year, there are 159.1 rainfall days, and 27.13" (689mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day in Charlestown, Indiana, is 14h and 32min.
On the first day of July, sunrise is at 6:22 am and sunset at 9:10 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:53 pm EDT.

Sunshine

The months with the most sunshine are June and July, 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 reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 6 translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Charlestown?

Charlestown's warmest month, July, registers temperatures that range from a high of 86.5°F (30.3°C) to a low of 66.9°F (19.4°C).

How hot does it get in Charlestown in July?

In July, the average high-temperature and low-temperature are 86.5°F (30.3°C) and 66.9°F (19.4°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is calculated to be 98.6°F (37°C).

What is the average humidity in July in Charlestown?

In Charlestown, the average relative humidity in July is 76%.

How many days does it rain in July in Charlestown?

In Charlestown, in July, it is raining for 16.8 days, with typically 2.83" (72mm) of accumulated precipitation.

When it does not snow in Charlestown?

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

How many hours of daylight does Charlestown have in July?

In July, the average day length in Charlestown, Indiana, is 14h and 32min.

When are sunrise and sunset in July in Charlestown?

On the first day of July, sunrise is at 6:22 am and sunset at 9:10 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:53 pm EDT.

What are the months with the most sunshine in Charlestown?

June and July, with an average of 10.3h of sunshine, are months with the most sunshine in Charlestown, Indiana.

How long on average sun shines in July in Charlestown?

In July, the average sunshine duration is 10.3h.

What is the month with the highest UV index in Charlestown?

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

How high is the UV index in July in Charlestown?

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

Average temperature in July - Charlestown, IN
  • Average high temperature in July: 86.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in July: 66.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in July
Charlestown, IN

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Charlestown, IN

Average wind speed in July - Charlestown, IN
  • Average wind speed in July: 4.9mph

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in July
Charlestown, IN

Average humidity in July - Charlestown, IN
  • Average humidity in July: 76%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in July
Charlestown, IN

Average rainfall in July - Charlestown, IN
  • Average rainfall in July: 2.83"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in July
Charlestown, IN

Average rainfall days in July - Charlestown, IN
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in July
Charlestown, IN

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

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Charlestown, IN

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

The month with the highest number of snowfall days is January (7.7 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
Charlestown, IN

Average daylight in July / Average sunshine in July - Charlestown, IN
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in July
Charlestown, IN

Average sunshine days in July - Charlestown, IN
  • Average sunshine days in July: 11.9 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (11.4 days).

Average UV index in July
Charlestown, IN

Average UV index in July - Charlestown, IN
  • Average UV index in July: 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 July
Charlestown, IN

Average cloud cover in July - Charlestown, IN
  • Average cloud cover in July: 33

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in July
Charlestown, IN

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

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

Charlestown, Indiana, USA

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