July weather forecast
Wheaton, MO

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Weather in July

July, like June, is another hot summer month in Wheaton, Missouri, with an average temperature fluctuating between 68.9°F (20.5°C) and 88.9°F (31.6°C).

Temperature

With an average high-temperature of 88.9°F (31.6°C) and an average low-temperature of 68.9°F (20.5°C), July is the warmest month.

Heat index

In July, the average heat index is evaluated at an extremely hot 104°F (40°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The months with the lowest humidity are January, July, August and October, with an average relative humidity of 73%.

Rainfall

In Wheaton, in July, it is raining for 17.1 days, with typically 3.82" (97mm) of accumulated precipitation. In Wheaton, during the entire year, the rain falls for 152.1 days and collects up to 34.45" (875mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in July in Wheaton is 14h and 23min.
On the first day of July, sunrise is at 6:01 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:23 pm CDT.

Sunshine

The months with the most sunshine are June and July, with an average of 10.6h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What is the hottest time of year?

In Wheaton, July is identified by the average highest temperatures, reaching a peak of 88.9°F (31.6°C) and a low of 68.9°F (20.5°C).

How hot is it in July?

In Wheaton, in July, the average high-temperature is 88.9°F (31.6°C), and the average low-temperature is 68.9°F (20.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 104°F (40°C).

What are the least humid months?

The months with the lowest humidity are January, July, August and October, with an average relative humidity of 73%.

What is the average humidity in July?

In July, the average relative humidity is 73%.

How many days does it rain in July?

In Wheaton, in July, it is raining for 17.1 days, with typically 3.82" (97mm) of accumulated precipitation.

When it does not snow?

In Wheaton, snow does not fall in June through October.

How many hours of daylight does Wheaton have in July?

In Wheaton, the average day length in July is 14h and 23min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 6:01 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:23 pm CDT.

What is the month with the most sunshine?

The months with the most sunshine are June and July, with an average of 10.6h of sunshine.

How many hours of sunshine does Wheaton have in July?

The average sunshine duration in July is 10.6h.

When is the highest UV index?

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

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Wheaton, MO

Average temperature in July - Wheaton, MO
  • Average high temperature in July: 88.9°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in July: 68.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in July
Wheaton, MO

Average pressure in July - Wheaton, MO
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Wheaton, MO

Average wind speed in July - Wheaton, MO
  • Average wind speed in July: 6.6mph

The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in July
Wheaton, MO

Average humidity in July - Wheaton, MO
  • Average humidity in July: 73%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).

Average rainfall in July
Wheaton, MO

Average rainfall in July - Wheaton, MO
  • Average rainfall in July: 3.82"

The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.65").

Average rainfall days in July
Wheaton, MO

Average rainfall days in July - Wheaton, MO
  • Average rainfall days in July: 17.1 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in July
Wheaton, MO

Average snowfall in July - Wheaton, MO
  • Average snowfall in July: 0"

The months with the highest snowfall are January and February (2.17").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Wheaton, MO

Average snowfall days in July - Wheaton, MO
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Wheaton, MO

Average daylight in July / Average sunshine in July - Wheaton, MO
  • Average daylight in July: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in July: 10h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in July
Wheaton, MO

Average sunshine days in July - Wheaton, MO
  • Average sunshine days in July: 11.4 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in July
Wheaton, MO

Average UV index in July - Wheaton, MO
  • Average UV index in July: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in July
Wheaton, MO

Average cloud cover in July - Wheaton, MO
  • Average cloud cover in July: 27

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in July
Wheaton, MO

Average visibility in July - Wheaton, MO
  • 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).

Wheaton, Missouri, USA

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