August weather forecastSalem, OR
August
Weather in August
August prolongs Salem's summer spell with a typical warm and dry climate. Although it holds a rainfall figure of just 0.31" (8mm), August still marks a slight increase when compared to July. The city embraces this weather by hosting various food festivals and farmers' markets. Highlighting the scorching summer days, cooling beach trips become a popular choice among the locals.Temperature
August, known for its average high temperature of 82°F (27.8°C) and an average low temperature of 54.1°F (12.3°C), is the warmest month.Heat index
Throughout August, the heat index is calculated to be a hot 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The least humid month is August, with an average relative humidity of 65%.Rainfall
In Salem, during August, the rain falls for 4 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 162.5 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Salem, the average length of the day in August is 14h and 1min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:50 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 11h of sunshine.UV index
The average daily maximum UV index in August in Salem is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Salem, OR
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in August: 54.1°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in August
Salem, OR
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in August
Salem, OR
- Average wind speed in August: 4.2mph
The windiest months (with the highest average wind speed) are January, March and November (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Salem, OR
- Average humidity in August: 65%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (65%).
Average rainfall in August
Salem, OR
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in August
Salem, OR
- Average rainfall days in August: 4 days
The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is July (3.9 days).
Average snowfall in August
Salem, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Salem, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.8 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
Salem, OR
- Average daylight in August: 14h and 0min
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 month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
Salem, OR
- Average sunshine days in August: 25.2 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in August
Salem, OR
- 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
Salem, OR
- Average cloud cover in August: 21
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in August
Salem, OR
- 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).
