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
Transitioning from July to August, Dallesport observes an average high-temperature of a still moderately hot 81.3°F (27.4°C), differing subtly from the previous month. From the height of daytime heat, the temperature recedes to an average of 55.8°F (13.2°C) at night during August.Heat index
The heat index in August is evaluated at 82.4°F (28°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 51%.Rainfall
In August, the rain falls for 3.2 days. Throughout August, 0.28" (7mm) of precipitation is accumulated. Throughout the year, there are 133.5 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Dallesport, the average length of the day in August is 14h and 4min.On the first day of August, sunrise is at 5:49 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:43 pm PDT.
Sunshine
In Dallesport, the average sunshine in August is 11.9h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What are the least humid months?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Dallesport have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Dallesport have in August?
How high is the UV index in August?
Average temperature in August
Dallesport, WA
- Average high temperature in August: 81.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in August: 55.8°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in August
Dallesport, WA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in August
Dallesport, WA
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in August
Dallesport, WA
- Average humidity in August: 51%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in August
Dallesport, WA
- Average rainfall in August: 0.28"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in August
Dallesport, WA
- Average rainfall days in August: 3.2 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in August
Dallesport, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Dallesport, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (4.4 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
Dallesport, WA
- Average daylight in August: 14h and 1min
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 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in August
Dallesport, WA
- Average sunshine days in August: 26.3 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in August
Dallesport, 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
Dallesport, WA
- Average cloud cover in August: 10
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in August
Dallesport, WA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Dallesport, Washington, USA
Weather forecast for your location
2. Allow the app to use your location