August weather forecast
Sylvester, WV

Share

Weather in August

The last month of the summer, August, is also a moderately hot month in Sylvester, West Virginia, with an average temperature varying between 61°F (16.1°C) and 84°F (28.9°C).

Temperature

During August, Sylvester records an average high-temperature of a still moderately hot 84°F (28.9°C), marking a slight divergence from July's 85.5°F (29.7°C). From significant daily highs, Sylvester's nights in August cool down to an average low-temperature of 61°F (16.1°C).

Heat index

For August, the heat index is appraised at a tropical 93.2°F (34°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The months with the lowest humidity are June through August and November, with an average relative humidity of 76%.

Rainfall

In Sylvester, during August, the rain falls for 15.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Sylvester, during the entire year, the rain falls for 183.9 days and collects up to 35.35" (898mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Sylvester, the average length of the day in August is 13h and 35min.
On the first day of the month, sunrise is at 6:29 am and sunset at 8:35 pm. On the last day of August, in Sylvester, sunrise is at 6:55 am and sunset at 7:56 pm EDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Sylvester, West Virginia. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
[Resources]

Frequently asked questions

How hot is it in Sylvester in August?

August temperatures vary between a high-temperature of 84°F (28.9°C) and a low-temperature of 61°F (16.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 93.2°F (34°C).

What is the least humid month in Sylvester?

June through August and November, with an average relative humidity of 76%, are the least humid months.

What is the average humidity in August in Sylvester?

In Sylvester, the average relative humidity in August is 76%.

How much does it rain in Sylvester in August?

In August, in Sylvester, West Virginia, the rain falls for 15.8 days. Throughout August, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Sylvester?

In Sylvester, snow does not fall in May through September.

How many hours of daylight does Sylvester have in August?

In Sylvester, the average day length in August is 13h and 35min.

When are sunrise and sunset in August in Sylvester?

In August, on the first day of the month, sunrise is at 6:29 am and sunset at 8:35 pm. On the last day of the month, in Sylvester, sunrise is at 6:55 am and sunset at 7:56 pm EDT.

What month has the most sunshine in Sylvester?

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

How many hours of sunshine does Sylvester have in August?

In August, the average sunshine duration in Sylvester is 10.1h.

What are the months with the highest UV index in Sylvester?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in August in Sylvester?

In August, the average daily maximum UV index in Sylvester is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Sylvester, WV

Average temperature in August - Sylvester, WV
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 61°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

[Resources]

Average pressure in August
Sylvester, WV

Average pressure in August - Sylvester, WV
  • Average pressure in August: 30.02"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

[Resources]

Average wind speed in August
Sylvester, WV

Average wind speed in August - Sylvester, WV
  • Average wind speed in August: 4mph

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

[Resources]

Average humidity in August
Sylvester, WV

Average humidity in August - Sylvester, WV
  • Average humidity in August: 76%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

[Resources]

Average rainfall in August
Sylvester, WV

Average rainfall in August - Sylvester, WV
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").

[Resources]

Average rainfall days in August
Sylvester, WV

Average rainfall days in August - Sylvester, WV
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).

[Resources]

Average snowfall in August
Sylvester, WV

Average snowfall in August - Sylvester, WV
  • Average snowfall in August: 0"

The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in August
Sylvester, WV

Average snowfall days in August - Sylvester, WV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in August / Average sunshine in August - Sylvester, WV
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 1min

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 42min).

[Resources]

Average sunshine days in August
Sylvester, WV

Average sunshine days in August - Sylvester, WV
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).

[Resources]

Average UV index in August
Sylvester, WV

Average UV index in August - Sylvester, WV
  • Average UV index in August: 6

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

[Resources]

Average cloud cover in August
Sylvester, WV

Average cloud cover in August - Sylvester, WV
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

[Resources]

Average visibility in August
Sylvester, WV

Average visibility in August - Sylvester, WV
  • Average visibility in August: 5mi

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

[Resources]

Sylvester, West Virginia, USA

Weather forecast for your location

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