August weather forecastRockport, WA
August
Weather in August
August, the last month of the summer in Rockport, is also an agreeable month, with an average temperature ranging between max 71.2°F (21.8°C) and min 43.7°F (6.5°C).Temperature
August is the warmest month, with the temperature often reaching an average high of 71.2°F (21.8°C) and an average low of 43.7°F (6.5°C).Humidity
July and August, with an average relative humidity of 71%, are the least humid months in Rockport, Washington.Rainfall
August is the month with the least rainfall. Rain falls for 9.4 days and accumulates 0.87" (22mm) of precipitation.Snowfall
July and August are months without snowfall.Daylight
The average length of the day in August in Rockport is 14h and 16min.On the first day of August in Rockport, sunrise is at 5:42 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:49 pm PDT.
Sunshine
August has the most sunshine of the year in Rockport, with an average of 10.9h of sunshine.UV index
The average daily maximum UV index in August in Rockport is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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
Rockport, 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).





