August weather forecastIlwaco, WA
August
Weather in August
August, the last month of the summer in Ilwaco, is another refreshing month, with an average temperature varying between 63.9°F (17.7°C) and 55.9°F (13.3°C).Temperature
The temperatures reach their highest averages in August, with highs of 63.9°F (17.7°C) and lows of 55.9°F (13.3°C).Humidity
With an average relative humidity of 86%, August is the most humid month in Ilwaco.Rainfall
In August, the rain falls for 6.7 days. Throughout August, 0.47" (12mm) of precipitation is accumulated. Throughout the year, in Ilwaco, there are 165.1 rainfall days, and 19.92" (506mm) of precipitation is accumulated.Snowfall
In Ilwaco, Washington, snow does not fall in March through August, October through December.Daylight
In Ilwaco, the average length of the day in August is 14h and 7min.On the first day of August, sunrise is at 5:58 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:56 pm PDT.
Sunshine
The average sunshine in August in Ilwaco, Washington, is 9.6h.UV index
The months with the highest UV index in Ilwaco are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in August, converts into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ilwaco, WA
- Average high temperature in August: 63.9°F
The warmest month (with the highest average high temperature) is August (63.9°F).
The month with the lowest average high temperature is December (46.8°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (41.5°F).
Average pressure in August
Ilwaco, WA
- Average pressure in August: 30.03"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in August
Ilwaco, WA
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in August
Ilwaco, WA
- Average humidity in August: 86%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is April (80%).
Average rainfall in August
Ilwaco, WA
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in August
Ilwaco, WA
- Average rainfall days in August: 6.7 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in August
Ilwaco, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, October, November and December (0").
Average snowfall days in August
Ilwaco, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
Ilwaco, 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: 9h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Ilwaco, WA
- Average sunshine days in August: 20.3 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in August
Ilwaco, 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 February, November and December (UV index 2).
Average cloud cover in August
Ilwaco, WA
- Average cloud cover in August: 37
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in August
Ilwaco, WA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
