Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The average temperatures reach their apex in August, averaging 65.8°F (18.8°C) at the high end and 54.5°F (12.5°C) at the low end.Humidity
The average relative humidity in August is 84%.Rainfall
In Copalis Beach, Washington, in August, it is raining for 5.7 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, in Copalis Beach, there are 152.8 rainfall days, and 19.41" (493mm) of precipitation is accumulated.Snowfall
April through October and December are months without snowfall in Copalis Beach.Daylight
The average length of the day in August in Copalis Beach is 14h and 10min.On the first day of August in Copalis Beach, sunrise is at 5:56 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:57 pm PDT.
Sunshine
In Copalis Beach, the average sunshine in August is 9.8h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 4 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are the warmest months in Copalis Beach?
What is the temperature in August in Copalis Beach?
What is the average humidity in August in Copalis Beach?
How much does it rain in Copalis Beach in August?
When it does not snow in Copalis Beach?
What is the average length of the day in August in Copalis Beach?
When is the sunrise / sunset in August in Copalis Beach?
How long on average sun shines in August in Copalis Beach?
When is the highest UV index in Copalis Beach?
What is the UV index reading in August in Copalis Beach?
Average temperature in August
Copalis Beach, WA
- Average high temperature in August: 65.8°F
The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in August: 54.5°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in August
Copalis Beach, WA
- Average pressure in August: 30.04"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in August
Copalis Beach, WA
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).
Average humidity in August
Copalis Beach, WA
- Average humidity in August: 84%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and June (81%).
Average rainfall in August
Copalis Beach, WA
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in August
Copalis Beach, WA
- Average rainfall days in August: 5.7 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).
Average snowfall in August
Copalis Beach, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in August
Copalis Beach, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Copalis Beach, WA
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Copalis Beach, WA
- Average sunshine days in August: 21.7 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in August
Copalis Beach, WA
- Average UV index in August: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Copalis Beach, WA
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Copalis Beach, WA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Copalis Beach, Washington, USA
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