August weather forecastWenatchee, WA
August
Weather in August
August mirrors July in terms of temperature, with the mercury also hitting 82.6°F (28.1°C). The trend of lengthy, clear days continues, with a comparable amount of sunshine to the peak summer month; the extended sunshine hours contributing to the steady warmth. Even with the high temperatures, a trademark cool breeze brings much-needed relief, indicative of the approaching autumn. As the month progresses, there's a certain mellowness in the air, hinting at the impending end of summer. With virtually no rainfall, August underscores the dryness of the Wenatchee summer.Temperature
July and August represent the warmest period, with an average high-temperature of 82.6°F (28.1°C).Heat index
The heat index for August is computed to be 82.4°F (28°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
July and August, with an average relative humidity of 47%, are the least humid months.Rainfall
The months with the least rainfall in Wenatchee are July and August Rain falls for 3.4 days and accumulates 0.24" (6mm) of rain.Snowfall
In Wenatchee, snow does not fall in May through October.Daylight
The average length of the day in August is 14h and 11min.On the first day of August, sunrise is at 5:40 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:42 pm PDT.
Sunshine
With an average of 12.1h of sunshine, August has the most sunshine of the year.UV index
In Wenatchee, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In August, the maximum UV index of 5 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Wenatchee, WA
- Average high temperature in August: 82.6°F
The warmest months (with the highest average high temperature) are July and August (82.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in August: 53.6°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in August
Wenatchee, WA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in August
Wenatchee, WA
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in August
Wenatchee, WA
- Average humidity in August: 47%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are July and August (47%).
Average rainfall in August
Wenatchee, WA
- Average rainfall in August: 0.24"
The wettest month (with the highest rainfall) is January (1.77").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in August
Wenatchee, WA
- Average rainfall days in August: 3.4 days
The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in August
Wenatchee, WA
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Wenatchee, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Wenatchee, WA
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 12h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in August
Wenatchee, WA
- Average sunshine days in August: 26.3 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in August
Wenatchee, WA
- 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
Wenatchee, WA
- Average cloud cover in August: 11
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in August
Wenatchee, WA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
