August weather forecast
Suquamish, WA

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Weather in August

August, the last month of the summer in Suquamish, is also a moderately hot month, with an average temperature fluctuating between 73.8°F (23.2°C) and 55.2°F (12.9°C).

Temperature

Suquamish's temperature records reveal August as the warmest month, marked by average highs of 73.8°F (23.2°C) and lows of 55.2°F (12.9°C).

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 72%.

Rainfall

In Suquamish, during August, the rain falls for 6.2 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 169.8 rainfall days, and 22.44" (570mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Ocean temperature

August and September, with an average ocean temperature of 53.2°F (11.8°C), are months with the warmest seawater in Suquamish.
Note: With the appropriate swimsuit, one can swim in 53.2°F (11.8°C) even if temperatures dip below 50°F (10°C); otherwise, be ready for cold shock and breath issues. A fleeting swim around 55.4°F (13°C) is distressing.

Daylight

In Suquamish, the average length of the day in August is 14h and 13min.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:44 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:52 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 10.7h of sunshine.

UV index

In Suquamish, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 4 suggests these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What is the hottest time of year in Suquamish?

With an average high-temperature of 73.8°F (23.2°C) and an average low-temperature of 55.2°F (12.9°C), August is the warmest month in Suquamish.

What is the usual temperature for Suquamish in August?

August temperatures in Suquamish, Washington, vary between a high-temperature of 73.8°F (23.2°C) and a low-temperature of 55.2°F (12.9°C).

What is the least humid month in Suquamish?

July and August, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in August in Suquamish?

The average relative humidity in August in Suquamish is 72%.

How many days does it rain in August in Suquamish?

In Suquamish, Washington, in August, during 6.2 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

When it does not snow in Suquamish?

May through October are months without snowfall in Suquamish.

What are the months with the warmest ocean in Suquamish?

The months with the warmest seawater in Suquamish, Washington, are August and September, with an average ocean temperature of 53.2°F (11.8°C).

How cold is the water in August in Suquamish?

In Suquamish, Washington, the average seawater temperature in August is 53.2°F (11.8°C). Swimming in 53.2°F (11.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in August in Suquamish?

The average day length in August in Suquamish, Washington, is 14h and 13min.

What time are sunrise and sunset in August in Suquamish?

On the first day of August, sunrise is at 5:48 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:52 pm PDT.

What month has the most sunshine in Suquamish?

With an average of 10.7h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August in Suquamish?

The average sunshine duration in August in Suquamish, Washington, is 10.7h.

What is the UV index reading in August in Suquamish?

The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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
Suquamish, WA

Average temperature in August - Suquamish, WA
  • Average high temperature in August: 73.8°F

The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is December (43.5°F).

  • Average low temperature in August: 55.2°F

The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).

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Average pressure in August
Suquamish, WA

Average pressure in August - Suquamish, WA
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed in August
Suquamish, WA

Average wind speed in August - Suquamish, WA
  • Average wind speed in August: 3.7mph

The windiest months (with the highest average wind speed) are March and November (6.2mph).
The calmest months (with the lowest average wind speed) are July and August (3.7mph).

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Average humidity in August
Suquamish, WA

Average humidity in August - Suquamish, WA
  • Average humidity in August: 72%

The months with the highest relative humidity are January, February, November and December (84%).
The months with the lowest relative humidity are July and August (72%).

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Average rainfall in August
Suquamish, WA

Average rainfall in August - Suquamish, WA
  • Average rainfall in August: 0.47"

The wettest month (with the highest rainfall) is January (3.43").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in August
Suquamish, WA

Average rainfall days in August - Suquamish, WA
  • Average rainfall days in August: 6.2 days

The month with the highest number of rainy days is March (19.3 days).
The month with the least rainy days is August (6.2 days).

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Average snowfall in August
Suquamish, WA

Average snowfall in August - Suquamish, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Suquamish, WA

Average snowfall days in August - Suquamish, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in August
Suquamish, WA

Average sea temperature in August - Suquamish, WA
  • Average sea temperature in August: 53.2°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

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Average daylight in August /
Average sunshine in August
Suquamish, WA

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in August
Suquamish, WA

Average sunshine days in August - Suquamish, WA
  • Average sunshine days in August: 23 days

The month with the most sunshine days is August (23 days).
The month with the least sunshine days is November (9.4 days).

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Average UV index in August
Suquamish, WA

Average UV index in August - Suquamish, WA
  • Average UV index in August: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Suquamish, WA

Average cloud cover in August - Suquamish, WA
  • Average cloud cover in August: 25

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in August
Suquamish, WA

Average visibility in August - Suquamish, 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).

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Suquamish, Washington, USA

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