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
The dawn of August sees an average high-temperature of a still warm 81.7°F (27.6°C), subtly contrasting with July's 82.9°F (28.3°C). Despite soaring daytime temperatures, Santiago registers a consistent average low-temperature of 58.8°F (14.9°C) in August.Heat index
The heat index value during August is evaluated at a tropical 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
August and November, with an average relative humidity of 77%, are the least humid months.Rainfall
In Santiago, in August, it is raining for 17.8 days, with typically 2.72" (69mm) of accumulated precipitation. In Santiago, during the entire year, the rain falls for 189.1 days and collects up to 37.83" (961mm) of precipitation.Snowfall
In Santiago, snow does not fall in June through September.Daylight
The average length of the day in August in Santiago is 13h and 40min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:49 am and sunset at 7:52 pm EDT.
Sunshine
With an average of 10.2h of sunshine, August has the most sunshine of the year.UV index
In Santiago, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in August translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Santiago?
What is the least humid month in Santiago?
What is the average humidity in August in Santiago?
How many days does it rain in August in Santiago?
When it does not snow in Santiago?
What is the average length of the day in August in Santiago?
When are sunrise and sunset in August in Santiago?
What month has the most sunshine in Santiago?
How many hours of sunshine does Santiago have in August?
How high is the UV index in August in Santiago?
Average temperature in August
Santiago, WV
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in August: 58.8°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in August
Santiago, 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
Santiago, 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
Santiago, WV
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and November (77%).
Average rainfall in August
Santiago, WV
- Average rainfall in August: 2.72"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are September and November (2.2").
Average rainfall days in August
Santiago, WV
- Average rainfall days in August: 17.8 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in August
Santiago, WV
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Santiago, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Santiago, WV
- Average daylight in August: 13h and 4min
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 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in August
Santiago, WV
- Average sunshine days in August: 10.9 days
The month with the most sunshine days is November (14.7 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in August
Santiago, WV
- Average UV index in August: 5
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Santiago, WV
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Santiago, WV
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is January (4mi).
Santiago, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location