August weather forecast
Heidelberg, MS

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Weather in August

August, the last month of the summer in Heidelberg, is also a hot month, with an average temperature fluctuating between 91.6°F (33.1°C) and 72°F (22.2°C).

Temperature

With August's advent, Heidelberg sees an average high-temperature of a still hot 91.6°F (33.1°C), subtly shifted from July's 91.8°F (33.2°C). Heidelberg experiences a nighttime temperature average of 72°F (22.2°C) during August.

Heat index

August's heat index is calculated to be 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.
Heat index determinations are made taking into account the shade and light air movements. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in August is 75%.

Rainfall

In August, in Heidelberg, the rain falls for 19 days. Throughout August, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 157.7 rainfall days, and 23.94" (608mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Heidelberg, the average length of the day in August is 13h and 17min.
On the first day of August, sunrise is at 6:12 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:20 pm CDT.

Sunshine

The months with the most sunshine in Heidelberg are June through August, with an average of 10.5h of sunshine.

UV index

The months with the highest UV index in Heidelberg are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In August, the maximum UV index of 7 suggests these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

How hot is it in Heidelberg in August?

The high-temperature during August is 91.6°F (33.1°C) and the low-temperature is 72°F (22.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is calculated to be 114.8°F (46°C).

What is the average humidity in August in Heidelberg?

In Heidelberg, Mississippi, the average relative humidity in August is 75%.

How many days does it rain in August in Heidelberg?

In Heidelberg, in August, it is raining for 19 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Heidelberg?

In Heidelberg, Mississippi, snow does not fall in April through November.

How many hours of daylight does Heidelberg have in August?

In Heidelberg, Mississippi, the average day length in August is 13h and 17min.

When are sunrise and sunset in August in Heidelberg?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 7:52 pm. On the last day of the month, in Heidelberg, Mississippi, sunrise is at 6:31 am and sunset at 7:20 pm CDT.

What are the months with the most sunshine in Heidelberg?

The months with the most sunshine in Heidelberg are June through August, with an average of 10.5h of sunshine.

How long on average sun shines in August in Heidelberg?

The average sunshine duration in August is 10.5h.

When is the highest UV index in Heidelberg?

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

What is the UV index reading in August in Heidelberg?

In August, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average max. wind speed
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
Heidelberg, MS

Average temperature in August - Heidelberg, MS
  • Average high temperature in August: 91.6°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (55.8°F).

  • Average low temperature in August: 72°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).

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Average pressure in August
Heidelberg, MS

Average pressure in August - Heidelberg, MS
  • Average pressure in August: 29.97"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).

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Average wind speed in August
Heidelberg, MS

Average wind speed in August - Heidelberg, MS
  • Average wind speed in August: 4.6mph

The windiest months (with the highest average wind speed) are January, February and April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in August
Heidelberg, MS

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

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Heidelberg, MS

Average rainfall in August - Heidelberg, MS
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.1").

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Average rainfall days in August
Heidelberg, MS

Average rainfall days in August - Heidelberg, MS
  • Average rainfall days in August: 19 days

The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in August
Heidelberg, MS

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

The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Heidelberg, MS

Average snowfall days in August - Heidelberg, MS
  • Average snowfall days in August: 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).

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

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

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 August: 10h and 3min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in August
Heidelberg, MS

Average sunshine days in August - Heidelberg, MS
  • Average sunshine days in August: 9.1 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (7.8 days).

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Average UV index in August
Heidelberg, MS

Average UV index in August - Heidelberg, 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).

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Average cloud cover in August
Heidelberg, MS

Average cloud cover in August - Heidelberg, MS
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 30).

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Average visibility in August
Heidelberg, MS

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

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

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Heidelberg, Mississippi, USA

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