August weather forecastDean, WV
August
Weather in August
August, the last month of the summer in Dean, is also a moderately hot month, with an average temperature fluctuating between 82.8°F (28.2°C) and 59.9°F (15.5°C).Temperature
The unfolding of August shows an average high-temperature of a still warm 82.8°F (28.2°C), indicating a slight variance from July's 84°F (28.9°C). During August, Dean perceives a consistent contrast from the daytime highs, with an average low-temperature of 59.9°F (15.5°C).Heat index
For August, the heat index is calculated to be a tropical 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
With an average relative humidity of 77%, August is the least humid month.Rainfall
In Dean, in August, during 15.8 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Dean, West Virginia, during the entire year, the rain falls for 176.6 days and collects up to 25.91" (658mm) of precipitation.Snowfall
In Dean, snow does not fall in May through October.Daylight
In August, the average length of the day is 13h and 41min.On the first day of August, sunrise is at 6:22 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:54 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.1h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dean, WV
- Average high temperature in August: 82.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in August: 59.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in August
Dean, WV
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Dean, WV
- Average wind speed in August: 4.2mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Dean, WV
- Average humidity in August: 77%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in August
Dean, WV
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in August
Dean, WV
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in August
Dean, WV
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Dean, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Dean, WV
- Average daylight in August: 13h and 42min
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 24min).
- 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
Dean, WV
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).
Average UV index in August
Dean, WV
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Dean, WV
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Dean, WV
- Average visibility in August: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).
