August weather forecastMarblemount, WA
August
Weather in August
The last month of the summer, August, is another pleasant month in Marblemount, Washington, with an average temperature fluctuating between 43.7°F (6.5°C) and 71.2°F (21.8°C).Temperature
In Marblemount, the month of August registers the highest temperatures, averaging 71.2°F (21.8°C) at the peak and 43.7°F (6.5°C) at the lowest.Humidity
July and August, with an average relative humidity of 71%, are the least humid months in Marblemount.Rainfall
The month with the least rainfall in Marblemount is August, when the rain falls for 9.4 days and typically collects 0.87" (22mm) of precipitation.Snowfall
In Marblemount, snow does not fall in July and August.Daylight
In Marblemount, the average length of the day in August is 14h and 17min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:42 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:48 pm PDT.
Sunshine
August has the most sunshine of the year in Marblemount, with an average of 10.9h of sunshine.UV index
The average daily maximum UV index in August is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 during August translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. 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
Marblemount, WA
- Average high temperature in August: 71.2°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in August: 43.7°F
The month with the highest average low temperature is August (43.7°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure in August
Marblemount, WA
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in August
Marblemount, WA
- Average wind speed in August: 3.3mph
The windiest month (with the highest average wind speed) is January (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in August
Marblemount, WA
- Average humidity in August: 71%
The months with the highest relative humidity are January, February and March (91%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in August
Marblemount, WA
- Average rainfall in August: 0.87"
The wettest month (with the highest rainfall) is January (9.25").
The driest month (with the least rainfall) is August (0.87").
Average rainfall days in August
Marblemount, WA
- Average rainfall days in August: 9.4 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in August
Marblemount, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (71.57").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Marblemount, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (22.8 days).
The month with the least snowfall days is August (0 days).
Average daylight in August /
Average sunshine in August
Marblemount, 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 24min).
- Average sunshine in August: 10h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Marblemount, WA
- Average sunshine days in August: 18.1 days
The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in August
Marblemount, WA
- Average UV index in August: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October and November (UV index 1).
Average cloud cover in August
Marblemount, WA
- Average cloud cover in August: 30
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Marblemount, WA
- Average visibility in August: 5mi
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January and March (3mi).
