Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Napier's shift from July to August is accompanied by an average high-temperature of a still moderately hot 81.5°F (27.5°C), a slight deviation from 82.2°F (27.9°C). Napier's nighttime average of 59.4°F (15.2°C) during August reflects a substantial decrease from the daytime temperature.Heat index
The heat index value during August is computed to be a tropical 87.8°F (31°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 hold great significance to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The months with the lowest humidity are June, August and November, with an average relative humidity of 77%.Rainfall
In Napier, West Virginia, in August, during 16.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 195.1 rainfall days, and 38.98" (990mm) of precipitation is accumulated.Snowfall
In Napier, West Virginia, snow does not fall in June through September.Daylight
The average length of the day in August in Napier, West Virginia, is 13h and 38min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:51 am and sunset at 7:53 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.3h of sunshine.UV index
The months with the highest UV index in Napier are July and August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In August, a daily UV index of 6 turns into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Napier in August?
What are the least humid months in Napier?
What is the average humidity in August in Napier?
How much does it rain in Napier in August?
When it does not snow in Napier?
What is the average length of the day in August in Napier?
When are sunrise and sunset in August in Napier?
What month has the most sunshine in Napier?
How many hours of sunshine does Napier have in August?
What is the month with the highest UV index in Napier?
What is the UV index intensity in August in Napier?
Average temperature in August
Napier, WV
- Average high temperature in August: 81.5°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in August
Napier, 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 (29.97"Hg).
Average wind speed in August
Napier, WV
- Average wind speed in August: 4.1mph
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 (4.1mph).
Average humidity in August
Napier, WV
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).
Average rainfall in August
Napier, WV
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in August
Napier, WV
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (12.9 days).
Average snowfall in August
Napier, WV
- Average snowfall in August: 0"
The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Napier, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Napier, 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 30min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Napier, WV
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is October (14.3 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index in August
Napier, WV
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Napier, WV
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Napier, WV
- Average visibility in August: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Napier, West Virginia, USA
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