August weather forecast
Saint Martinville, LA

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Weather in August

August, the last month of the summer in Saint Martinville, is another tropical month, with an average temperature varying between 90.1°F (32.3°C) and 75°F (23.9°C).

Temperature

Saint Martinville, Louisiana, reaches its highest average temperatures in August, measuring 90.1°F (32.3°C) at the peak and 75°F (23.9°C) at the lowest.

Heat index

In August, the average heat index is evaluated at a life-threatening hot 113°F (45°C). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in August is 79%.

Rainfall

The months with the most rainfall in Saint Martinville are July and August, with an average 2.44" (62mm) of precipitation.

Snowfall

In Saint Martinville, snow does not fall in February through November.

Daylight

In Saint Martinville, the average length of the day in August is 13h and 12min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:00 pm. On the last day of August, sunrise is at 6:44 am and sunset at 7:30 pm CDT.

Sunshine

In August, the average sunshine is 10.2h.

UV index

The months with the highest UV index in Saint Martinville are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 7 in August leads to these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the hottest time of year in Saint Martinville?

August is the month that records the highest temperatures in Saint Martinville, with averages ranging from a high of 90.1°F (32.3°C) to a low of 75°F (23.9°C).

How hot is it in Saint Martinville in August?

In Saint Martinville, in August, the average high-temperature is 90.1°F (32.3°C), and the average low-temperature is 75°F (23.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 113°F (45°C).

What is the average humidity in August in Saint Martinville?

The average relative humidity in August in Saint Martinville, Louisiana, is 79%.

What is the wettest month in Saint Martinville?

The months with the most rainfall in Saint Martinville, Louisiana, are July and August, with an average 2.44" (62mm) of precipitation.

How many days does it rain in August in Saint Martinville?

In Saint Martinville, in August, during 19 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Saint Martinville?

In Saint Martinville, Louisiana, snow does not fall in February through November.

What is the average length of the day in August in Saint Martinville?

The average day length in August in Saint Martinville, Louisiana, is 13h and 12min.

When are sunrise and sunset in August in Saint Martinville?

In August, on the first day of the month, sunrise is at 6:26 am and sunset at 8:00 pm. On the last day of the month, in Saint Martinville, sunrise is at 6:44 am and sunset at 7:30 pm CDT.

How long on average sun shines in August in Saint Martinville?

In August, the average sunshine duration is 10.2h.

When is the highest UV index in Saint Martinville?

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

How high is the UV index in August in Saint Martinville?

In August, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents 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 August
Saint Martinville, LA

Average temperature in August - Saint Martinville, LA
  • Average high temperature in August: 90.1°F

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in August: 75°F

The months with the highest average low temperature are July and August (75°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).

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Average pressure in August
Saint Martinville, LA

Average pressure in August - Saint Martinville, LA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.96"Hg).

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Average wind speed in August
Saint Martinville, LA

Average wind speed in August - Saint Martinville, LA
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in August
Saint Martinville, LA

Average humidity in August - Saint Martinville, LA
  • Average humidity in August: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in August
Saint Martinville, LA

Average rainfall in August - Saint Martinville, LA
  • Average rainfall in August: 2.44"

The wettest months (with the highest rainfall) are July and August (2.44").
The driest month (with the least rainfall) is March (0.63").

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Average rainfall days in August
Saint Martinville, LA

Average rainfall days in August - Saint Martinville, LA
  • Average rainfall days in August: 19 days

The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in August
Saint Martinville, LA

Average snowfall in August - Saint Martinville, LA
  • Average snowfall in August: 0"

The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Saint Martinville, LA

Average snowfall days in August - Saint Martinville, LA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).

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Average daylight in August /
Average sunshine in August
Saint Martinville, LA

Average daylight in August / Average sunshine in August - Saint Martinville, LA
  • Average daylight in August: 13h and 1min

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 1min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in August
Saint Martinville, LA

Average sunshine days in August - Saint Martinville, LA
  • Average sunshine days in August: 8.2 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (8.2 days).

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Average UV index in August
Saint Martinville, LA

Average UV index in August - Saint Martinville, LA
  • Average UV index in August: 7

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

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Average cloud cover in August
Saint Martinville, LA

Average cloud cover in August - Saint Martinville, LA
  • Average cloud cover in August: 30

The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in August
Saint Martinville, LA

Average visibility in August - Saint Martinville, LA
  • Average visibility in August: 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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Saint Martinville, Louisiana, USA

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