August weather forecastJacksonville, WV

August

Weather in August

The last month of the summer, August, is another warm month in Jacksonville, West Virginia, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 59.5°F (15.3°C).

Temperature

As Jacksonville steps into August, the average high-temperature is measured at a still warm 82.4°F (28°C), displaying minor differences from July's 83.7°F (28.7°C). In Jacksonville, following the steep rise of daytime temperatures, an average nighttime low of 59.5°F (15.3°C) is anticipated during August.

Heat index

August's average heat index is computed to be a tropical 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The least humid month in Jacksonville is August, with an average relative humidity of 76%.

Rainfall

In Jacksonville, during August, the rain falls for 15.8 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 182.8 rainfall days, and 38.62" (981mm) of precipitation is accumulated.

Snowfall

In Jacksonville, snow does not fall in June through September.

Daylight

In Jacksonville, the average length of the day in August is 13h and 38min.
On the first day of August, sunrise is at 6:23 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:53 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.1h of sunshine.

UV index

May, July and August, with an average maximum UV index of 6, are months with the highest UV index in Jacksonville. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in August, in Jacksonville, is 82.4°F (28°C), while the low-temperature averages to 59.5°F (15.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

August is the least humid month in Jacksonville, West Virginia, with an average relative humidity of 76%.

The average relative humidity in August in Jacksonville, West Virginia, is 76%.

In August, in Jacksonville, West Virginia, the rain falls for 15.8 days. Throughout August, 2.44" (62mm) of precipitation is accumulated.

In Jacksonville, West Virginia, snow does not fall in June through September.

In August, the average day length is 13h and 38min.

In August, on the first day of the month, sunrise is at 6:23 am and sunset at 8:32 pm. On the last day of the month, in Jacksonville, West Virginia, sunrise is at 6:50 am and sunset at 7:53 pm EDT.

With an average of 10.1h of sunshine, August has the most sunshine of the year.

In August, the average sunshine duration is 10.1h.

The months with the highest UV index in Jacksonville are May, July and August, with an average maximum UV index of 6.

In Jacksonville, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J August S O N D

Jul

August

Sep

Average high temperature

83.7°F

82.4°F

76.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.8mph

4.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

15.8

13.2

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.3

12.6

13.6

Average UV index

Average cloud cover

Average visibility

Average temperature in August
Jacksonville, WV

Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (37°F).

Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in August
Jacksonville, WV

Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in August
Jacksonville, WV

Average wind speed in August: 4.1mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in August
Jacksonville, WV

Average humidity in August: 76%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (76%).

Average rainfall in August
Jacksonville, WV

Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in August
Jacksonville, WV

Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in August
Jacksonville, WV

Average snowfall in August: 0"

The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Jacksonville, WV

Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Jacksonville, WV

Average daylight in August: 13h and 36min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in August: 10h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in August
Jacksonville, WV

Average sunshine days in August: 12.6 days

The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are January and February (7.6 days).

Average UV index in August
Jacksonville, WV

Average UV index in August: 6

The months with the highest UV index are May, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).