July weather forecast
Decatur, AR

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Weather in July

July, like June, is another hot summer month in Decatur, Arkansas, with an average temperature ranging between min 69.6°F (20.9°C) and max 90.5°F (32.5°C).

Temperature

The month of July sees the highest average temperatures, reaching 90.5°F (32.5°C) at the peak and 69.6°F (20.9°C) at the low.

Heat index

July's mean heat index is appraised at a blistering 107.6°F (42°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In July, the average relative humidity in Decatur is 71%.

Rainfall

In Decatur, in July, during 13.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Decatur, during the entire year, the rain falls for 139.7 days and collects up to 31.02" (788mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day is 14h and 21min.
On the first day of July, sunrise is at 6:04 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:24 pm CDT.

Sunshine

July has the most sunshine of the year in Decatur, Arkansas, with an average of 10.8h of sunshine.

UV index

The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In July, a daily UV index of 7 turns into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What is the hottest time of year in Decatur?

July is the month that records the highest temperatures, with averages ranging from a high of 90.5°F (32.5°C) to a low of 69.6°F (20.9°C).

How hot is it in Decatur in July?

In Decatur, 90.5°F (32.5°C) is the average high-temperature and 69.6°F (20.9°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 107.6°F (42°C).

What is the average humidity in July in Decatur?

In July, the average relative humidity in Decatur is 71%.

How many days does it rain in July in Decatur?

In Decatur, Arkansas, in July, during 13.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Decatur?

In Decatur, Arkansas, snow does not fall in June through October.

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

The average day length in July in Decatur is 14h and 21min.

When are sunrise and sunset in July in Decatur?

On the first day of July, sunrise is at 6:04 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:24 pm CDT.

What month has the most sunshine in Decatur?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Decatur, Arkansas.

How many hours of sunshine does Decatur have in July?

The average sunshine duration in July in Decatur, Arkansas, is 10.8h.

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

With an average maximum UV index of 7, July is the month with the highest UV index in Decatur, Arkansas.

What is the UV index reading in July in Decatur?

The average daily maximum UV index in July in Decatur, Arkansas, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to 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
Decatur, AR

Average temperature in July - Decatur, AR
  • Average high temperature in July: 90.5°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in July: 69.6°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in July
Decatur, AR

Average pressure in July - Decatur, AR
  • Average pressure in July: 29.97"Hg

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

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Average wind speed in July
Decatur, AR

Average wind speed in July - Decatur, AR
  • Average wind speed in July: 6.7mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in July
Decatur, AR

Average humidity in July - Decatur, AR
  • Average humidity in July: 71%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in July
Decatur, AR

Average rainfall in July - Decatur, AR
  • Average rainfall in July: 2.32"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.89").

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Average rainfall days in July
Decatur, AR

Average rainfall days in July - Decatur, AR
  • Average rainfall days in July: 13.2 days

The month with the highest number of rainy days is May (15.5 days).
The months with the least rainy days are January and November (8.5 days).

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Average snowfall in July
Decatur, AR

Average snowfall in July - Decatur, AR
  • Average snowfall in July: 0"

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

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Average snowfall days in July
Decatur, AR

Average snowfall days in July - Decatur, AR
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Decatur, AR

Average daylight in July / Average sunshine in July - Decatur, AR
  • 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in July
Decatur, AR

Average sunshine days in July - Decatur, AR
  • Average sunshine days in July: 16.3 days

The month with the most sunshine days is December (19.2 days).
The months with the least sunshine days are March and April (13.3 days).

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Average UV index in July
Decatur, AR

Average UV index in July - Decatur, AR
  • Average UV index in July: 7

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

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Average cloud cover in July
Decatur, AR

Average cloud cover in July - Decatur, AR
  • Average cloud cover in July: 25

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in July
Decatur, AR

Average visibility in July - Decatur, AR
  • 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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Decatur, Arkansas, USA

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