August weather forecast
Sequim, WA

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A vast lavender farm with fully blossomed purple flowers in rows, in Sequin, Washington
A vast lavender farm with fully blossomed purple flowers in rows, in Sequin, Washington

Weather in August

Despite the transition from July to August, Sequim continues to enjoy the summer sun. However, there's a slight increase in rainfall to 0.79" (20mm). Daylight remains abundant, offering the residents plenty of time to enjoy the outdoors. The city's celebration - Sequim's Sunflower Festival marks the peak of the sunny season. The weather makes it possible to enjoy the beach and water-based activities, a highlight of August in Sequim.

Temperature

In Sequim, the peak average temperatures are observed in August, with a high of 68°F (20°C) and a low of 52.3°F (11.3°C).

Humidity

July and August, with an average relative humidity of 75%, are the least humid months.

Rainfall

In Sequim, in August, it is raining for 6.8 days, with typically 0.79" (20mm) of accumulated precipitation. In Sequim, during the entire year, the rain falls for 174.1 days and collects up to 19.45" (494mm) of precipitation.

Snowfall

In Sequim, Washington, snow does not fall in May through October.

Daylight

In August, the average length of the day in Sequim is 14h and 14min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:47 pm. On the last day of August, in Sequim, sunrise is at 6:30 am and sunset at 7:54 pm PDT.

Sunshine

With an average of 11h of sunshine, August has the most sunshine of the year in Sequim.

UV index

The months with the highest UV index in Sequim are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during August translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What time of the year is the hottest in Sequim?

The month of August, characterized by an average high of 68°F (20°C) and a low of 52.3°F (11.3°C), is recognized as the warmest in Sequim.

What is the average August temperature in Sequim?

An average high-temperature, in August, in Sequim, is 68°F (20°C) and the average low-temperature is 52.3°F (11.3°C).

What are the least humid months in Sequim?

The months with the lowest humidity are July and August, with an average relative humidity of 75%.

What is the average humidity in August in Sequim?

In August, the average relative humidity in Sequim is 75%.

How much does it rain in Sequim in August?

In Sequim, Washington, in August, during 6.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

When it does not snow in Sequim?

May through October are months without snowfall in Sequim, Washington.

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

The average day length in August in Sequim is 14h and 14min.

What time are sunrise and sunset in August in Sequim?

On the first day of August, sunrise is at 5:49 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:54 pm PDT.

What month has the most sunshine in Sequim?

With an average of 11h of sunshine, August has the most sunshine of the year in Sequim.

How many hours of sunshine does Sequim have in August?

The average sunshine duration in August in Sequim, Washington, is 11h.

What is the month with the highest UV index in Sequim?

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 Sequim?

The average daily maximum UV index in August in Sequim, Washington, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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
Sequim, WA

Average temperature in August - Sequim, WA
  • Average high temperature in August: 68°F

The warmest month (with the highest average high temperature) is August (68°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in August: 52.3°F

The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is February (34.3°F).

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Average pressure in August
Sequim, WA

Average pressure in August - Sequim, WA
  • Average pressure in August: 30.02"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

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Average wind speed in August
Sequim, WA

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

The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest months (with the lowest average wind speed) are August and September (3.7mph).

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Average humidity in August
Sequim, WA

Average humidity in August - Sequim, WA
  • Average humidity in August: 75%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (75%).

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Average rainfall in August
Sequim, WA

Average rainfall in August - Sequim, WA
  • Average rainfall in August: 0.79"

The wettest month (with the highest rainfall) is January (2.56").
The driest month (with the least rainfall) is July (0.59").

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Average rainfall days in August
Sequim, WA

Average rainfall days in August - Sequim, WA
  • Average rainfall days in August: 6.8 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).

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Average snowfall in August
Sequim, WA

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

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Sequim, WA

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

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in August: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in August
Sequim, WA

Average sunshine days in August - Sequim, WA
  • Average sunshine days in August: 21.4 days

The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is March (8.9 days).

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Average UV index in August
Sequim, WA

Average UV index in August - Sequim, 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, March, November and December (UV index 2).

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Average cloud cover in August
Sequim, WA

Average cloud cover in August - Sequim, WA
  • Average cloud cover in August: 21

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in August
Sequim, WA

Average visibility in August - Sequim, 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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Sequim, Washington, USA

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