August weather forecast
Ilwaco, WA

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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.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Ilwaco?

Ilwaco, Washington, experiences its average highest temperatures in August, reaching a peak of 63.9°F (17.7°C) and a minimum of 55.9°F (13.3°C).

What is the average August temperature in Ilwaco?

In August, the average high-temperature and low-temperature in Ilwaco are 63.9°F (17.7°C) and 55.9°F (13.3°C) respectively.

What is the most humid month in Ilwaco?

With an average relative humidity of 86%, August is the most humid month in Ilwaco, Washington.

What is the average humidity in August in Ilwaco?

The average relative humidity in August is 86%.

How much does it rain in Ilwaco in August?

In August, in Ilwaco, the rain falls for 6.7 days. Throughout August, 0.47" (12mm) of precipitation is accumulated.

When it does not snow in Ilwaco?

March through August, October through December are months without snowfall.

Does it snow in Ilwaco in August?

In Ilwaco, Washington, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Ilwaco have in August?

The average day length in August in Ilwaco, Washington, is 14h and 7min.

What time are sunrise and sunset in August in Ilwaco?

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.

How long on average sun shines in August in Ilwaco?

In Ilwaco, Washington, the average sunshine duration in August is 9.6h.

What are the months with the highest UV index in Ilwaco?

The months with the highest UV index are May through September, with an average maximum UV index of 4.

What is the UV index reading in August in Ilwaco?

In August, the average daily maximum UV index in Ilwaco is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Ilwaco, WA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in August - Ilwaco, WA
  • Average daylight in August: 14h and 1min

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 4min

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 - 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 - 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 - 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 - 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).

Ilwaco, Washington, USA

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