August weather forecastEphrata, WA
August
Weather in August
The last month of the summer, August, is another hot month in Ephrata, Washington, with an average temperature ranging between min 61.3°F (16.3°C) and max 86.7°F (30.4°C).Temperature
Ephrata experiences an average high-temperature of a still tropical 86.7°F (30.4°C) with the onset of August, subtly varied from July's 87.1°F (30.6°C). In August, the recorded average low-temperature, of 61.3°F (16.3°C), exhibits a significant fall from the daytime highs.Humidity
July and August, with an average relative humidity of 37%, are the least humid months.Rainfall
The month with the least rainfall is August, when the rain falls for 4.2 days and typically collects 0.24" (6mm) of precipitation.Snowfall
May through August and October are months without snowfall.Daylight
The average length of the day in August is 14h and 11min.On the first day of August, sunrise is at 5:37 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:39 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
In Ephrata, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 6 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ephrata, WA
- Average high temperature in August: 86.7°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (33.4°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in August
Ephrata, WA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in August
Ephrata, WA
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in August
Ephrata, WA
- Average humidity in August: 37%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (37%).
Average rainfall in August
Ephrata, WA
- Average rainfall in August: 0.24"
The wettest month (with the highest rainfall) is January (1.02").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in August
Ephrata, WA
- Average rainfall days in August: 4.2 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in August
Ephrata, WA
- Average snowfall in August: 0"
The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in August
Ephrata, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Ephrata, 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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Ephrata, WA
- Average sunshine days in August: 25 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (15.6 days).
Average UV index in August
Ephrata, WA
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Ephrata, WA
- Average cloud cover in August: 11
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in August
Ephrata, WA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
