August weather forecast
Williamson, WV

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Weather in August

By August, Williamson is deeply entrenched in summer, and the city continues to sizzle under the heat. The temperature range from 61°F (16.1°C) to 84.4°F (29.1°C) indicates the continuation of warm days and mildly cold nights. The end of the month signals the imminent arrival of fall. The rainfall slightly recedes, yet the relative humidity persists. Despite the sweltering heat, outdoor activities remain a popular choice for locals and tourists alike.

Temperature

Williamson's shift from July to August is accompanied by an average high-temperature of a warm 84.4°F (29.1°C), a slight deviation from 86°F (30°C). The nighttime average for Williamson in August plummets considerably from its daytime counterpart, resting at a refreshing 61°F (16.1°C).

Heat index

August's mean heat index is evaluated at a hot 93.2°F (34°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The months with the lowest humidity are July, August and November, with an average relative humidity of 75%.

Rainfall

In Williamson, in August, during 13.3 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Williamson, West Virginia, during the entire year, the rain falls for 163.6 days and collects up to 30.43" (773mm) of precipitation.

Snowfall

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

Daylight

In Williamson, the average length of the day in August is 13h and 34min.
On the first day of August, sunrise is at 6:33 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 7:59 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index are June and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

August temperatures vary between a high-temperature of 84.4°F (29.1°C) and a low-temperature of 61°F (16.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 93.2°F (34°C).

What are the least humid months?

July, August and November, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in August?

The average relative humidity in August is 75%.

How much does it rain in Williamson in August?

In Williamson, in August, it is raining for 13.3 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Williamson have in August?

In Williamson, the average day length in August is 13h and 34min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:33 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 7:59 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

How long on average sun shines in August?

In August, the average sunshine duration is 10.4h.

When is the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Williamson, WV

Average temperature in August - Williamson, WV
  • Average high temperature in August: 84.4°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°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 (26.8°F).

Average pressure in August
Williamson, WV

Average pressure in August - Williamson, 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).

Average wind speed in August
Williamson, WV

Average wind speed in August - Williamson, WV
  • Average wind speed in August: 3.9mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in August
Williamson, WV

Average humidity in August - Williamson, WV
  • Average humidity in August: 75%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).

Average rainfall in August
Williamson, WV

Average rainfall in August - Williamson, WV
  • Average rainfall in August: 1.93"

The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in August
Williamson, WV

Average rainfall days in August - Williamson, WV
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in August
Williamson, WV

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

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Williamson, WV

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

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Williamson, WV

Average sunshine days in August - Williamson, WV
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in August
Williamson, WV

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

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

Average cloud cover in August
Williamson, WV

Average cloud cover in August - Williamson, WV
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August
Williamson, WV

Average visibility in August - Williamson, 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).

Williamson, West Virginia, USA

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