July weather forecast
Decatur, MS

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Weather in July

July, like June, is a hot summer month in Decatur, Mississippi, with temperature in the range of an average low of 71.4°F (21.9°C) and an average high of 91.4°F (33°C).

Temperature

Decatur reaches its highest average temperatures in July, measuring 91.4°F (33°C) at the peak and 71.4°F (21.9°C) at the lowest.

Heat index

For most parts of July, the heat index is computed to be a burning hot 114.8°F (46°C). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.
Heat index data is primarily for areas with shade and subjected to light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In Decatur, the average relative humidity in July is 75%.

Rainfall

In July, the rain falls for 20.3 days. Throughout July, 3.35" (85mm) of precipitation is accumulated. In Decatur, during the entire year, the rain falls for 167.6 days and collects up to 36.54" (928mm) of precipitation.

Snowfall

In Decatur, snow does not fall in April through November.

Daylight

In Decatur, the average length of the day in July is 14h and 2min.
On the first day of July, sunrise is at 5:53 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:54 pm CDT.

Sunshine

In Decatur, the average sunshine in July is 10.4h.

UV index

The months with the highest UV index are June and 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: A maximum UV index of 7 in July translates into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jun 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?

July stands out as Decatur's warmest month, with an average high-temperature of 91.4°F (33°C) and a low-temperature of 71.4°F (21.9°C).

How hot is it in July?

The high-temperature, in July, in Decatur, records 91.4°F (33°C), while the low-temperature is 71.4°F (21.9°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 114.8°F (46°C).

What is the average humidity in July?

In July, the average relative humidity is 75%.

How many days does it rain in July?

In Decatur, during July, the rain falls for 20.3 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When it does not snow?

April through November are months without snowfall.

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

In Decatur, the average day length in July is 14h and 2min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:53 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:54 pm CDT.

How many hours of sunshine does Decatur have in July?

In Decatur, the average sunshine duration in July is 10.4h.

When is the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What is the UV index intensity in July?

In July, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes 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
Decatur, MS

Average temperature in July - Decatur, MS
  • Average high temperature in July: 91.4°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (54.5°F).

  • Average low temperature in July: 71.4°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).

Average pressure in July
Decatur, MS

Average pressure in July - Decatur, MS
  • Average pressure in July: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in July
Decatur, MS

Average wind speed in July - Decatur, MS
  • Average wind speed in July: 4.8mph

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

Average humidity in July
Decatur, MS

Average humidity in July - Decatur, MS
  • Average humidity in July: 75%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July
Decatur, MS

Average rainfall in July - Decatur, MS
  • Average rainfall in July: 3.35"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in July
Decatur, MS

Average rainfall days in July - Decatur, MS
  • Average rainfall days in July: 20.3 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in July
Decatur, MS

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

The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in July
Decatur, MS

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

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

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

Average daylight in July / Average sunshine in July - Decatur, MS
  • Average daylight in July: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in July
Decatur, MS

Average sunshine days in July - Decatur, MS
  • Average sunshine days in July: 9 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (9 days).

Average UV index in July
Decatur, MS

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in July
Decatur, MS

Average cloud cover in July - Decatur, MS
  • Average cloud cover in July: 34

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in July
Decatur, MS

Average visibility in July - Decatur, MS
  • Average visibility in July: 5mi

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

Decatur, Mississippi, USA

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