August weather forecastOnaway, ID
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Onaway, Idaho, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 83.7°F (28.7°C).Temperature
August, characterized by an average high temperature of 83.7°F (28.7°C) and a low temperature of 58.1°F (14.5°C), is generally the warmest month.Heat index
Throughout August, the heat index is appraised at 82.4°F (28°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Know that the heat index computations account for shaded terrains and slight winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
August is the least humid month, with an average relative humidity of 40%.Rainfall
The months with the least rainfall are July and August Rain falls for 5.9 days and accumulates 0.47" (12mm) of rain.Snowfall
In Onaway, snow does not fall in June through August.Daylight
In Onaway, the average length of the day in August is 14h and 9min.On the first day of the month, sunrise is at 5:28 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:06 am and sunset at 7:28 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 12h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In August, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Onaway, ID
- Average high temperature in August: 83.7°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in August: 58.1°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in August
Onaway, ID
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in August
Onaway, ID
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in August
Onaway, ID
- Average humidity in August: 40%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall in August
Onaway, ID
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in August
Onaway, ID
- Average rainfall days in August: 5.9 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in August
Onaway, ID
- Average snowfall in August: 0"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Onaway, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Onaway, ID
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in August
Onaway, ID
- Average sunshine days in August: 21.6 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in August
Onaway, ID
- 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
Onaway, ID
- Average cloud cover in August: 12
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in August
Onaway, ID
- 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 and December (4mi).





