August weather forecastGreenacres, WA
August
Weather in August
August, the last month of the summer in Greenacres, is also a moderately hot month, with an average temperature varying between 55.9°F (13.3°C) and 83.3°F (28.5°C).Temperature
The warmest month is August, with an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 55.9°F (13.3°C).Heat index
For most parts of August, the heat index is computed to be 82.4°F (28°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
The least humid month is August, with an average relative humidity of 43%.Rainfall
July and August are months with the least rain when the rain falls for 5.5 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
In Greenacres, snow does not fall in June through August.Daylight
In Greenacres, the average length of the day in August is 14h and 13min.On the first day of August, sunrise is at 5:27 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:30 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 12h of sunshine.UV index
In Greenacres, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during August translates into the following guidance:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Greenacres, WA
- Average high temperature in August: 83.3°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in August
Greenacres, WA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in August
Greenacres, WA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in August
Greenacres, WA
- Average humidity in August: 43%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall in August
Greenacres, WA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in August
Greenacres, WA
- Average rainfall days in August: 5.5 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).
Average snowfall in August
Greenacres, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Greenacres, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Greenacres, 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 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in August
Greenacres, WA
- Average sunshine days in August: 23.2 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).
Average UV index in August
Greenacres, WA
- 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 December (UV index 1).
Average cloud cover in August
Greenacres, WA
- Average cloud cover in August: 13
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in August
Greenacres, WA
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





