August weather forecastDallas, OR
August
Weather in August
Following July, August continues the trend of dry and sunny conditions in Dallas, Oregon. Warmer temperatures from 52.3°F (11.3°C) up to 80.2°F (26.8°C) and scanty rainfall of 0.28" (7mm) prevail during this month. The subtropical high-pressure system maintains a consistently sunny and warm weather pattern, providing favourable conditions for outdoor sports and recreational activities.Temperature
August, with average temperatures reaching a high of 80.2°F (26.8°C) and a low of 52.3°F (11.3°C), is the warmest month.Humidity
August is the least humid month in Dallas, with an average relative humidity of 69%.Rainfall
In Dallas, in August, during 3.9 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, there are 139.9 rainfall days, and 15.39" (391mm) of precipitation is accumulated.Snowfall
In Dallas, snow does not fall in April through October.Daylight
In Dallas, the average length of the day in August is 14h and 1min.On the first day of August, sunrise is at 5:59 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:51 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.8h of sunshine.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, an average UV index of 5 transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dallas, OR
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in August: 52.3°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in August
Dallas, OR
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in August
Dallas, OR
- Average wind speed in August: 3.9mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in August
Dallas, OR
- Average humidity in August: 69%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall in August
Dallas, OR
- Average rainfall in August: 0.28"
The wettest month (with the highest rainfall) is December (2.4").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in August
Dallas, OR
- Average rainfall days in August: 3.9 days
The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in August
Dallas, 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
Dallas, 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 April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Dallas, OR
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in August
Dallas, OR
- Average sunshine days in August: 24.4 days
The month with the most sunshine days is July (26.1 days).
The month with the least sunshine days is March (11.6 days).
Average UV index in August
Dallas, OR
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Dallas, OR
- Average cloud cover in August: 25
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Dallas, OR
- Average visibility in August: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
