August weather forecast
Saint James, LA

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Weather in August

August, the last month of the summer in Saint James, is also a hot month, with an average temperature ranging between min 75.4°F (24.1°C) and max 89.8°F (32.1°C).

Temperature

The warmest period, with an average high-temperature of 89.8°F (32.1°C), falls in July and August.

Heat index

August's heat index is appraised at a blistering 111.2°F (44°C). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

February, July through September and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Saint James, in August, it is raining for 22.3 days, with typically 4.37" (111mm) of accumulated precipitation. Throughout the year, there are 172.6 rainfall days, and 30.2" (767mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

The average length of the day in August is 13h and 11min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:56 pm. On the last day of August, in Saint James, sunrise is at 6:40 am and sunset at 7:26 pm CDT.

Sunshine

The average sunshine in August is 10.4h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 7 in August suggests the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

During July and August, Saint James registers its highest temperatures, averaging a high of 89.8°F (32.1°C).

How hot does it get in August?

The average high-temperature, in August, in Saint James, is 89.8°F (32.1°C), while the average low-temperature is 75.4°F (24.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 111.2°F (44°C).

What are the most humid months?

The months with the highest humidity are February, July through September and December, with an average relative humidity of 79%.

What is the average humidity in August?

In Saint James, the average relative humidity in August is 79%.

How many days does it rain in August?

In Saint James, during August, the rain falls for 22.3 days and regularly aggregates up to 4.37" (111mm) of precipitation.

When it does not snow?

February through December are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 11min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:22 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:26 pm CDT.

How long on average sun shines in August?

In Saint James, the average sunshine duration in August is 10.4h.

When is the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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 James, LA

Average temperature in August - Saint James, LA
  • Average high temperature in August: 89.8°F

The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (60.3°F).

  • Average low temperature in August: 75.4°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).

Average pressure in August
Saint James, LA

Average pressure in August - Saint James, LA
  • Average pressure in August: 29.97"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 (29.97"Hg).

Average wind speed in August
Saint James, LA

Average wind speed in August - Saint James, LA
  • Average wind speed in August: 5mph

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 (5mph).

Average humidity in August
Saint James, LA

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

The months with the highest relative humidity are February, July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Saint James, LA

Average rainfall in August - Saint James, LA
  • Average rainfall in August: 4.37"

The wettest month (with the highest rainfall) is July (4.88").
The driest month (with the least rainfall) is November (1.26").

Average rainfall days in August
Saint James, LA

Average rainfall days in August - Saint James, LA
  • 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 days).

Average snowfall in August
Saint James, LA

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

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in August
Saint James, LA

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

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • 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: 5h and 6min).

Average sunshine days in August
Saint James, LA

Average sunshine days in August - Saint James, LA
  • Average sunshine days in August: 6.6 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6.4 days).

Average UV index in August
Saint James, LA

Average UV index in August - Saint James, 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).

Average cloud cover in August
Saint James, LA

Average cloud cover in August - Saint James, LA
  • Average cloud cover in August: 29

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

Average visibility in August
Saint James, LA

Average visibility in August - Saint James, 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).

Saint James, Louisiana, USA

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