August weather forecastShaniko, OR
August
Weather in August
August, the last month of the summer in Shaniko, is another warm month, with an average temperature varying between 81.7°F (27.6°C) and 54°F (12.2°C).Temperature
Shaniko's shift from July to August is accompanied by an average high-temperature of a still warm 81.7°F (27.6°C), a slight deviation from 82°F (27.8°C). A notable decrease from the day's highest temperature marks August, culminating in an average low of 54°F (12.2°C).Heat index
The heat index in August is estimated at 82.4°F (28°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
July and August, with an average relative humidity of 48%, are the least humid months.Rainfall
In Shaniko, during August, the rain falls for 3.8 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Shaniko, during the entire year, the rain falls for 121.1 days and collects up to 11.38" (289mm) of precipitation.Snowfall
June through August and October are months without snowfall.Daylight
In Shaniko, the average length of the day in August is 14h and 1min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:29 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:41 pm PDT.
Sunshine
The average sunshine in August is 11.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. 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
Average temperature in August
Shaniko, OR
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in August: 54°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in August
Shaniko, OR
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in August
Shaniko, OR
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Shaniko, OR
- Average humidity in August: 48%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in August
Shaniko, OR
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in August
Shaniko, OR
- Average rainfall days in August: 3.8 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).
Average snowfall in August
Shaniko, OR
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in August
Shaniko, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Shaniko, 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 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in August
Shaniko, OR
- Average sunshine days in August: 25.3 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in August
Shaniko, OR
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Shaniko, OR
- Average cloud cover in August: 10
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in August
Shaniko, OR
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





