Climate and monthly weather forecast
Sequim, WA

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 January

January, like December, in Sequim, Washington, is another cold winter month, with an average temperature varying between 35.2°F (1.8°C) and 42.4°F (5.8°C). In January, the average high-temperature is almost the same as in December - a still wintry 42.4°F (5.8°C). Weather in January »

Weather in February

February, the last month of the winter in Sequim, is another cold month, with an average temperature ranging between max 42.3°F (5.7°C) and min 34.3°F (1.3°C). In February, the average high-temperature is essentially the same as in January - a still cold 42.3°F (5.7°C). Weather in February »

Weather in March

March, the first month of the spring in Sequim, is a chilly month, with an average temperature fluctuating between 36.1°F (2.3°C) and 45.7°F (7.6°C). In Sequim, the average high-temperature in March is practically the same as in February - a chilly 45.7°F (7.6°C). Weather in March »

Weather in April

April in Sequim, Washington, is a cool spring month, with an average temperature varying between 39.6°F (4.2°C) and 50.5°F (10.3°C). In Sequim, the average high-temperature in April is essentially the same as in March - a fresh 50.5°F (10.3°C). Weather in April »

Weather in May

May, the last month of the spring in Sequim, is a moderate month, with an average temperature varying between 57.7°F (14.3°C) and 44.2°F (6.8°C). In Sequim, the average high-temperature in May slightly increases from a fresh 50.5°F (10.3°C) in April to a moderate 57.7°F (14.3°C). Weather in May »

Weather in June

June, the first month of the summer in Sequim, is a comfortable month, with an average temperature fluctuating between 47.7°F (8.7°C) and 61.3°F (16.3°C). In Sequim, the average high-temperature in June is almost the same as in May - a comfortable 61.3°F (16.3°C). Weather in June »

Weather in July

July, the same as June, is another comfortable summer month in Sequim, Washington, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 51.4°F (10.8°C). In July, the average high-temperature slightly increases from 61.3°F (16.3°C) in June to a still enjoyable 67.5°F (19.7°C). Weather in July »

Weather in August

August, the last month of the summer in Sequim, is an agreeable month, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 68°F (20°C). The warmest month is August, with an average high-temperature of 68°F (20°C) and an average low-temperature of 52.3°F (11.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Sequim, is still a comfortable month, with an average temperature fluctuating between 62.6°F (17°C) and 49.3°F (9.6°C). In Sequim, the average high-temperature in September slightly decreases from a pleasant 68°F (20°C) in August to a comfortable 62.6°F (17°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Sequim, Washington, with an average temperature ranging between min 44.6°F (7°C) and max 53.8°F (12.1°C). In October, the average high-temperature marginally drops from a comfortable 62.6°F (17°C) in September to a fresh 53.8°F (12.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Sequim, is also a frosty month, with an average temperature ranging between max 46.4°F (8°C) and min 39.2°F (4°C). In November, the average high-temperature slightly decreases from a cool 53.8°F (12.1°C) in October to a frosty 46.4°F (8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Sequim, Washington, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 34.7°F (1.5°C). December is the coldest month, with an average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 34.7°F (1.5°C). Weather in December »
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FAQ

What is the most humid month in Sequim?

The months with the highest humidity are January and February, with an average relative humidity of 85%.

What is the wettest month in Sequim?

The month with the most rainfall is January, when the rain falls for 16.1 days and typically aggregates up to 2.56" (65mm) of precipitation.

How much does it rain in Sequim?

In Sequim, Washington, during the entire year, the rain falls for 174.1 days and collects up to 19.45" (494mm) of precipitation.

When does it snow in Sequim?

January through April, November and December are months with snowfall.

How much does it snow in Sequim?

In Sequim, during the entire year, snow falls for 7 days and aggregates up to 3.86" (98mm) of snow.

What is the month with the least sunshine in Sequim?

With an average of 4.7h of sunshine, January has the least sunshine of the year.

When is the lowest UV index in Sequim?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

When does it snow the most in Sequim?

February is the month with the most snowfall. Snow falls for 2.8 days and accumulates 2.17" (55mm) of snow.

When is Daylight Saving Time (DST) in Sequim?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Sequim, Washington, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Sequim?

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

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

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

When are the longest days in Sequim?

With an average of 15h and 59min of daylight, June has the longest days of the year in Sequim.

What are the least humid months in Sequim?

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

What is the driest month in Sequim?

The month with the least rainfall in Sequim, Washington, is July, when the rain falls for 9.2 days and typically collects 0.59" (15mm) of precipitation.

What is the warmest month in Sequim?

August is the warmest month in Sequim, with an average high-temperature of 68°F (20°C) and an average low-temperature of 52.3°F (11.3°C).

What month has the most sunshine in Sequim?

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

What is the coldest month in Sequim?

With an average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 34.7°F (1.5°C), December is the coldest month in Sequim, Washington.

What is the month with the shortest days in Sequim?

With an average of 8h and 26min of daylight, December has the shortest days of the year in Sequim.

Average temperature
Sequim, WA

Average temperature - Sequim, WA

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).

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
Sequim, WA

Average pressure - Sequim, WA

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
Sequim, WA

Average wind speed - Sequim, WA

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
Sequim, WA

Average humidity - Sequim, WA

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
Sequim, WA

Average rainfall - Sequim, WA

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
Sequim, WA

Average rainfall days - Sequim, WA

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
Sequim, WA

Average snowfall - Sequim, WA

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
Sequim, WA

Average snowfall days - Sequim, WA

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 / Average sunshine
Sequim, WA

Average daylight / Average sunshine - Sequim, WA

The month with the longest days is June (Average daylight: 15h and 59min).
The month with the shortest days is December (Average daylight: 8h and 26min).

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
Sequim, WA

Average sunshine days - Sequim, WA

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
Sequim, WA

Average UV index - Sequim, WA

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 visibility
Sequim, WA

Average visibility - Sequim, WA

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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