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
Roseburg notes the warmest temperatures in August, with a high average of 80.8°F (27.1°C) and a low of 47.8°F (8.8°C).Heat index
In August, the heat index is calculated to be 84.2°F (29°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. 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
July and August, with an average relative humidity of 71%, are the least humid months.Rainfall
In Roseburg, during August, the rain falls for 3.1 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in Roseburg, Oregon, there are 105 rainfall days, and 9.57" (243mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 13h and 53min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:34 pm. On the last day of August, in Roseburg, sunrise is at 6:37 am and sunset at 7:49 pm PDT.
Sunshine
With an average of 11.2h of sunshine, August has the most sunshine of the year in Roseburg.UV index
The average daily maximum UV index in August in Roseburg is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What month is the hottest in Roseburg?
What are the temperatures in Roseburg in August?
What is the least humid month in Roseburg?
What is the average humidity in August in Roseburg?
How many days does it rain in August in Roseburg?
When it does not snow in Roseburg?
What is the average length of the day in August in Roseburg?
When is the sunrise / sunset in August in Roseburg?
What month has the most sunshine in Roseburg?
How many hours of sunshine does Roseburg have in August?
What is the UV index intensity in August in Roseburg?
Average temperature in August
Roseburg, OR
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (45.9°F).
- Average low temperature in August: 47.8°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in August
Roseburg, OR
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Roseburg, OR
- Average wind speed in August: 3.3mph
The windiest months (with the highest average wind speed) are January and March (3.9mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).
Average humidity in August
Roseburg, OR
- Average humidity in August: 71%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in August
Roseburg, OR
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is December (1.46").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in August
Roseburg, OR
- Average rainfall days in August: 3.1 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in August
Roseburg, OR
- Average snowfall in August: 0"
The month with the highest snowfall is November (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Roseburg, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.5 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
Roseburg, OR
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 11h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in August
Roseburg, OR
- Average sunshine days in August: 25.1 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in August
Roseburg, 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
Roseburg, OR
- Average cloud cover in August: 26
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in August
Roseburg, OR
- Average visibility in August: 5mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Roseburg, Oregon, USA
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