August weather forecastVancouver, WA
August
Weather in August
August weather in Vancouver, Washington sees a continuation of the warm temperatures from July but with a more marked decrease in humidity. Residents looking forward to the coolness of fall have to wait a bit longer as the days remain sun-kissed and pleasant. It is a time of outdoor parties, comfortable late-night strolls, and breathtaking sunsets by the city's stunning waterfront. However, with an average high temperature peaking at 80.6°F (27°C) and high UV index of 5, residents should remain cautious about extended sun exposure.Temperature
With an average high-temperature of 80.6°F (27°C) and an average low-temperature of 54°F (12.2°C), August is the warmest month.Heat index
The heat index in August is evaluated at 82.4°F (28°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
With an average relative humidity of 65%, August is the least humid month.Rainfall
In Vancouver, in August, during 4.9 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Vancouver, during the entire year, the rain falls for 177.1 days and collects up to 34.29" (871mm) of precipitation.Snowfall
In Vancouver, snow does not fall in April through October.Daylight
In August, the average length of the day is 14h and 4min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:49 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 11h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 5 in August transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Vancouver, WA
- Average high temperature in August: 80.6°F
The warmest month (with the highest average high temperature) is August (80.6°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in August: 54°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in August
Vancouver, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Vancouver, WA
- Average wind speed in August: 3.8mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in August
Vancouver, WA
- Average humidity in August: 65%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (65%).
Average rainfall in August
Vancouver, WA
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is December (5.08").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in August
Vancouver, WA
- Average rainfall days in August: 4.9 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in August
Vancouver, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Vancouver, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Vancouver, WA
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 11h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and February (Average sunshine: 4h and 6min).
Average sunshine days in August
Vancouver, WA
- Average sunshine days in August: 23.8 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in August
Vancouver, WA
- Average UV index in August: 5
The month with the highest UV index is 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
Vancouver, WA
- Average cloud cover in August: 23
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in August
Vancouver, WA
- Average visibility in August: 6mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
