August weather forecast
McCallum, MS

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Weather in August

The last month of the summer, August, is another tropical month in McCallum, Mississippi, with temperature in the range of an average high of 91.8°F (33.2°C) and an average low of 73°F (22.8°C).

Temperature

Temperature records mark August as the warmest month, with highs averaging 91.8°F (33.2°C) and lows at 73°F (22.8°C).

Heat index

For August, the heat index is appraised at a life-threatening hot 114.8°F (46°C). Be cautious: Heat exhaustion along with heat cramps are predicted. Heatstroke is a possible consequence of continuous physical effort.
Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in August in McCallum is 75%.

Rainfall

In McCallum, in August, it is raining for 22.3 days, with typically 3.98" (101mm) of accumulated precipitation. Throughout the year, in McCallum, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.

Snowfall

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

Daylight

In McCallum, Mississippi, the average length of the day in August is 13h and 15min.
On the first day of the month, sunrise is at 6:14 am and sunset at 7:52 pm. On the last day of August, in McCallum, Mississippi, sunrise is at 6:32 am and sunset at 7:21 pm CDT.

Sunshine

In McCallum, the average sunshine in August is 10.3h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in McCallum, Mississippi. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a daily UV index of 7 turns into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 13, 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 McCallum?

McCallum's August weather, with an average high temperature of 91.8°F (33.2°C) and an average low temperature of 73°F (22.8°C), tends to be the warmest of the year.

How hot is it in McCallum in August?

The high-temperature, in August, in McCallum, records 91.8°F (33.2°C), while the low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is appraised at 114.8°F (46°C).

What is the average humidity in August in McCallum?

The average relative humidity in August in McCallum is 75%.

How many days does it rain in August in McCallum?

In August, the rain falls for 22.3 days. Throughout August, 3.98" (101mm) of precipitation is accumulated.

When it does not snow in McCallum?

April through November are months without snowfall in McCallum.

How many hours of daylight does McCallum have in August?

In August, the average day length is 13h and 15min.

What time are sunrise and sunset in August in McCallum?

On the first day of August in McCallum, Mississippi, sunrise is at 6:14 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:21 pm CDT.

How long on average sun shines in August in McCallum?

In McCallum, Mississippi, the average sunshine duration in August is 10.3h.

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

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

How high is the UV index in August in McCallum?

In August, the average daily maximum UV index in McCallum is 7. A UV Index estimate of 6 to 7 represents a high hazard to health 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 August
McCallum, MS

Average temperature in August - McCallum, MS
  • Average high temperature in August: 91.8°F

The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in August: 73°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

Average pressure in August
McCallum, MS

Average pressure in August - McCallum, MS
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in August
McCallum, MS

Average wind speed in August - McCallum, MS
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

Average humidity in August
McCallum, MS

Average humidity in August - McCallum, MS
  • Average humidity in August: 75%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
McCallum, MS

Average rainfall in August - McCallum, MS
  • Average rainfall in August: 3.98"

The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in August
McCallum, MS

Average rainfall days in August - McCallum, MS
  • Average rainfall days in August: 22.3 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in August
McCallum, MS

Average snowfall in August - McCallum, MS
  • Average snowfall in August: 0"

The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in August
McCallum, MS

Average snowfall days in August - McCallum, MS
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in August /
Average sunshine in August
McCallum, MS

Average daylight in August / Average sunshine in August - McCallum, MS
  • Average daylight in August: 13h and 2min

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

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in August
McCallum, MS

Average sunshine days in August - McCallum, MS
  • Average sunshine days in August: 6.4 days

The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).

Average UV index in August
McCallum, MS

Average UV index in August - McCallum, MS
  • Average UV index in August: 7

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

Average cloud cover in August
McCallum, MS

Average cloud cover in August - McCallum, MS
  • Average cloud cover in August: 33

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in August
McCallum, MS

Average visibility in August - McCallum, MS
  • Average visibility in August: 5mi

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

McCallum, Mississippi, USA

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