August weather forecastCelilo Village, OR
August
Weather in August
August, the last month of the summer in Celilo Village, is also a moderately hot month, with an average temperature fluctuating between 57.9°F (14.4°C) and 83.3°F (28.5°C).Temperature
Celilo Village's weather in August displays an average high-temperature of a still warm 83.3°F (28.5°C), showing minor disparity from July's 83.5°F (28.6°C). Celilo Village's average nighttime temperature descends significantly from the day's peak in August, settling at a moderate 57.9°F (14.4°C).Heat index
In August, the average heat index is appraised at 84.2°F (29°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
The least humid month is August, with an average relative humidity of 46%.Rainfall
In Celilo Village, in August, during 3.1 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Celilo Village, during the entire year, the rain falls for 112.2 days and collects up to 10.91" (277mm) of precipitation.Snowfall
In Celilo Village, snow does not fall in April through October.Daylight
In Celilo Village, the average length of the day in August is 14h and 4min.On the first day of August, sunrise is at 5:48 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:42 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in August translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Celilo Village, OR
- Average high temperature in August: 83.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in August: 57.9°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in August
Celilo Village, OR
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in August
Celilo Village, OR
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).
Average humidity in August
Celilo Village, OR
- Average humidity in August: 46%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).
Average rainfall in August
Celilo Village, OR
- Average rainfall in August: 0.28"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in August
Celilo Village, OR
- Average rainfall days in August: 3.1 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).
Average snowfall in August
Celilo Village, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Celilo Village, OR
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are February and December (3.9 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
Celilo Village, OR
- 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: 12h
The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).
Average sunshine days in August
Celilo Village, OR
- Average sunshine days in August: 25.8 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in August
Celilo Village, 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
Celilo Village, OR
- Average cloud cover in August: 9
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in August
Celilo Village, OR
- 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).





