August weather forecastKeno, OR
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Keno, Oregon, with an average temperature varying between 49.3°F (9.6°C) and 82.8°F (28.2°C).Temperature
August welcomes an average high-temperature of a still warm 82.8°F (28.2°C), not much different from the preceding month. A striking difference from the daytime highs is registered during August nights in Keno, with an average temperature of 49.3°F (9.6°C).Heat index
For most parts of August, the heat index is calculated to be 82.4°F (28°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The least humid month is August, with an average relative humidity of 47%.Rainfall
In Keno, during August, the rain falls for 3.1 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in Keno, Oregon, there are 97.4 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
In Keno, snow does not fall in July and August.Daylight
In Keno, the average length of the day in August is 13h and 50min.On the first day of August, sunrise is at 6:01 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:42 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 reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Keno, OR
- Average high temperature in August: 82.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in August: 49.3°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).
Average pressure in August
Keno, OR
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.96"Hg).
Average wind speed in August
Keno, OR
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Keno, OR
- Average humidity in August: 47%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).
Average rainfall in August
Keno, OR
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in August
Keno, OR
- Average rainfall days in August: 3.1 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in August
Keno, OR
- Average snowfall in August: 0"
The month with the highest snowfall is December (9.57").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Keno, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (13.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Keno, OR
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- 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 January (Average sunshine: 5h and 24min).
Average sunshine days in August
Keno, OR
- Average sunshine days in August: 25.7 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in August
Keno, 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, March, November and December (UV index 2).
Average cloud cover in August
Keno, OR
- Average cloud cover in August: 8
The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in August
Keno, OR
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





