July weather forecast
Collinsville, TX

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Weather in July

July, like June, is a hot summer month in Collinsville, Texas, with an average temperature varying between 74.3°F (23.5°C) and 93.6°F (34.2°C).

Temperature

With the transition into July, Collinsville notes an average high-temperature of a still hot 93.6°F (34.2°C), closely resembling June. In July, the average low-temperature records at a warm 74.3°F (23.5°C) during the nights.

Heat index

The heat index in July is calculated to be a life-threatening hot 113°F (45°C). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. 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 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in July in Collinsville is 64%.

Rainfall

In July, the rain falls for 7.8 days. Throughout July, 0.59" (15mm) of precipitation is accumulated. In Collinsville, during the entire year, the rain falls for 77.1 days and collects up to 7.05" (179mm) of precipitation.

Snowfall

In Collinsville, snow does not fall in January, March through December.

Daylight

The average length of the day in July is 14h and 7min.
On the first day of the month, sunrise is at 6:21 am and sunset at 8:41 pm. On the last day of July, in Collinsville, sunrise is at 6:39 am and sunset at 8:28 pm CDT.

Sunshine

In Collinsville, the average sunshine in July is 11h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 7 during July translates into these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

How hot is it in Collinsville in July?

The average high-temperature, in July, in Collinsville, is 93.6°F (34.2°C), while the average low-temperature is 74.3°F (23.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 113°F (45°C).

What is the average humidity in July in Collinsville?

In Collinsville, Texas, the average relative humidity in July is 64%.

How much does it rain in Collinsville in July?

In July, in Collinsville, the rain falls for 7.8 days. Throughout July, 0.59" (15mm) of precipitation is accumulated.

When it does not snow in Collinsville?

In Collinsville, snow does not fall in January, March through December.

What is the average length of the day in July in Collinsville?

In Collinsville, the average day length in July is 14h and 7min.

When are sunrise and sunset in July in Collinsville?

On the first day of July in Collinsville, Texas, sunrise is at 6:21 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:28 pm CDT.

How many hours of sunshine does Collinsville have in July?

In July, the average sunshine duration is 11h.

When is the highest UV index in Collinsville?

The months with the highest UV index in Collinsville are June through August, with an average maximum UV index of 7.

What is the UV index reading in July in Collinsville?

In Collinsville, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high 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 July
Collinsville, TX

Average temperature in July - Collinsville, TX
  • Average high temperature in July: 93.6°F

The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in July: 74.3°F

The months with the highest average low temperature are July and August (74.3°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

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Average pressure in July
Collinsville, TX

Average pressure in July - Collinsville, TX
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in July
Collinsville, TX

Average wind speed in July - Collinsville, TX
  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).

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Average humidity in July
Collinsville, TX

Average humidity in July - Collinsville, TX
  • Average humidity in July: 64%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in July
Collinsville, TX

Average rainfall in July - Collinsville, TX
  • Average rainfall in July: 0.59"

The wettest month (with the highest rainfall) is October (0.98").
The driest months (with the least rainfall) are February and December (0.31").

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Average rainfall days in July
Collinsville, TX

Average rainfall days in July - Collinsville, TX
  • Average rainfall days in July: 7.8 days

The month with the highest number of rainy days is May (9 days).
The month with the least rainy days is January (3 days).

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Average snowfall in July
Collinsville, TX

Average snowfall in July - Collinsville, TX
  • Average snowfall in July: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in July
Collinsville, TX

Average snowfall days in July - Collinsville, TX
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Collinsville, TX

Average daylight in July / Average sunshine in July - Collinsville, TX
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in July: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in July
Collinsville, TX

Average sunshine days in July - Collinsville, TX
  • Average sunshine days in July: 21.6 days

The month with the most sunshine days is January (27.1 days).
The months with the least sunshine days are May and September (19.4 days).

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Average UV index in July
Collinsville, TX

Average UV index in July - Collinsville, TX
  • Average UV index in July: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in July
Collinsville, TX

Average cloud cover in July - Collinsville, TX
  • Average cloud cover in July: 22

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in July
Collinsville, TX

Average visibility in July - Collinsville, TX
  • Average visibility in July: 6mi

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

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Collinsville, Texas, USA

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