August weather forecastGlenwood, WA
August
Weather in August
August, the last month of the summer in Glenwood, is also a moderately hot month, with an average temperature ranging between max 78.6°F (25.9°C) and min 52.3°F (11.3°C).Temperature
August is the month when Glenwood sees the highest average temperatures, with a high of 78.6°F (25.9°C) and a low of 52.3°F (11.3°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 58%.Rainfall
In Glenwood, during August, the rain falls for 3.8 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Glenwood, during the entire year, the rain falls for 152.5 days and collects up to 26.93" (684mm) of precipitation.Snowfall
In Glenwood, snow does not fall in May through October.Daylight
In August, the average length of the day is 14h and 5min.On the first day of August, sunrise is at 5:48 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:44 pm PDT.
Sunshine
In August, the average sunshine is 11.7h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in August translates into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Glenwood, WA
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in August: 52.3°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in August
Glenwood, WA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in August
Glenwood, WA
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in August
Glenwood, WA
- Average humidity in August: 58%
The months with the highest relative humidity are January, February and December (88%).
The months with the lowest relative humidity are July and August (58%).
Average rainfall in August
Glenwood, WA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is January (4.88").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in August
Glenwood, WA
- Average rainfall days in August: 3.8 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in August
Glenwood, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Glenwood, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Glenwood, WA
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Glenwood, WA
- Average sunshine days in August: 24.8 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in August
Glenwood, 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 and February (UV index 1).
Average cloud cover in August
Glenwood, WA
- Average cloud cover in August: 15
The months with the most cloud cover are January and February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in August
Glenwood, WA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
