August weather forecastIone, WA
August
Weather in August
The last month of the summer, August, is another warm month in Ione, Washington, with an average temperature varying between 76.8°F (24.9°C) and 46.6°F (8.1°C).Temperature
August's arrival brings an average high-temperature of a still moderately hot 76.8°F (24.9°C), slightly deviating from July's 77°F (25°C). Ione's average low-temperature of 46.6°F (8.1°C) in August reflects a considerable decline from the daytime peak.Humidity
The least humid month is August, with an average relative humidity of 55%.Rainfall
August is the month with the least rainfall. Rain falls for 8.2 days and accumulates 0.59" (15mm) of precipitation.Snowfall
In Ione, snow does not fall in June through August.Daylight
In Ione, the average length of the day in August is 14h and 17min.On the first day of the month, sunrise is at 5:24 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:06 am and sunset at 7:32 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 12h of sunshine.UV index
In Ione, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during August leads to these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ione, WA
- Average high temperature in August: 76.8°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in August: 46.6°F
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in August
Ione, WA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Ione, WA
- Average wind speed in August: 3.6mph
The windiest months (with the highest average wind speed) are April, May and June (3.9mph).
The calmest months (with the lowest average wind speed) are January and December (3.2mph).
Average humidity in August
Ione, WA
- Average humidity in August: 55%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).
Average rainfall in August
Ione, WA
- Average rainfall in August: 0.59"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is August (0.59").
Average rainfall days in August
Ione, WA
- Average rainfall days in August: 8.2 days
The month with the highest number of rainy days is April (18.5 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in August
Ione, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (11.77").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Ione, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (20.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Ione, WA
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in August
Ione, WA
- Average sunshine days in August: 20.2 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in August
Ione, WA
- Average UV index in August: 4
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 1).
Average cloud cover in August
Ione, WA
- Average cloud cover in August: 15
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Ione, WA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





