August weather forecast
Rapidan, LA

Share

Weather in August

August, the last month of the summer in Rapidan, is another hot month, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 74.8°F (23.8°C).

Temperature

The start of August sees the average high-temperature at a still hot 90.1°F (32.3°C), showing little difference from July's 90.3°F (32.4°C). In the month of August, the nighttime temperature dips to a steady average of 74.8°F (23.8°C).

Heat index

For most parts of August, the heat index is appraised at a blazing hot 113°F (45°C). Be cautious: Heat exhaustion along with heat cramps are predicted. Heatstroke is a possible consequence of continuous physical effort.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. 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 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. 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. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

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

Rainfall

In Rapidan, in August, during 21 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. In Rapidan, during the entire year, the rain falls for 165.4 days and collects up to 26.93" (684mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In Rapidan, the average length of the day in August is 13h and 12min.
On the first day of August, 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.

Sunshine

In August, the average sunshine is 10.1h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 during August translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In Rapidan, 90.1°F (32.3°C) is the average high-temperature and 74.8°F (23.8°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 113°F (45°C).

What is the average humidity in August?

In August, the average relative humidity is 79%.

How many days does it rain in August?

In Rapidan, during August, the rain falls for 21 days and regularly aggregates up to 3.62" (92mm) of precipitation.

When it does not snow?

In Rapidan, snow does not fall in February through December.

What is the average length of the day in August?

In Rapidan, the average day length in August is 13h and 12min.

What time 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 August, the average sunshine duration is 10.1h.

When is the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 7. A UV Index 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
Rapidan, LA

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

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in August: 74.8°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in August
Rapidan, LA

Average pressure in August - Rapidan, 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 and August (29.96"Hg).

Average wind speed in August
Rapidan, LA

Average wind speed in August - Rapidan, LA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in August
Rapidan, LA

Average humidity in August - Rapidan, LA
  • Average humidity in August: 79%

The months with the highest relative humidity are February, September and December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Rapidan, LA

Average rainfall in August - Rapidan, LA
  • Average rainfall in August: 3.62"

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days in August
Rapidan, LA

Average rainfall days in August - Rapidan, LA
  • Average rainfall days in August: 21 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in August
Rapidan, LA

Average snowfall in August - Rapidan, LA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.16").
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
Rapidan, LA

Average snowfall days in August - Rapidan, 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, September, October and November (0 days).

Average daylight in August /
Average sunshine in August
Rapidan, LA

Average daylight in August / Average sunshine in August - Rapidan, 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 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in August
Rapidan, LA

Average sunshine days in August - Rapidan, LA
  • Average sunshine days in August: 7.9 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in August
Rapidan, LA

Average UV index in August - Rapidan, 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
Rapidan, LA

Average cloud cover in August - Rapidan, LA
  • Average cloud cover in August: 32

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in August
Rapidan, LA

Average visibility in August - Rapidan, LA
  • Average visibility in August: 6mi

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

Rapidan, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location