Climate and monthly weather forecast
Lynnwood, WA

Weather in January

January, the same as December, in Lynnwood, Washington, is another chilly winter month, with an average temperature varying between 37°F (2.8°C) and 45.1°F (7.3°C). In January, the average high-temperature is relatively the same as in December - a still frosty 45.1°F (7.3°C). Weather in January »

Weather in February

February, the last month of the winter in Lynnwood, is another chilly month, with an average temperature ranging between max 46°F (7.8°C) and min 36°F (2.2°C). In Lynnwood, Washington, the average high-temperature in February is essentially the same as in January - a still frosty 46°F (7.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Lynnwood, Washington, with an average temperature varying between 50°F (10°C) and 38.3°F (3.5°C). In Lynnwood, the average high-temperature in March is essentially the same as in February - a cool 50°F (10°C). Weather in March »

Weather in April

April, the same as March, is another fresh spring month in Lynnwood, Washington, with an average temperature ranging between min 41.5°F (5.3°C) and max 55.2°F (12.9°C). In April, the average high-temperature is almost the same as in March - a still cool 55.2°F (12.9°C). Weather in April »

Weather in May

May, the last month of the spring in Lynnwood, is an enjoyable month, with an average temperature varying between 62.8°F (17.1°C) and 45.5°F (7.5°C). In May, the average high-temperature marginally rises from a cool 55.2°F (12.9°C) in April to a comfortable 62.8°F (17.1°C). Weather in May »

Weather in June

June, the first month of the summer in Lynnwood, is also an enjoyable month, with an average temperature varying between 49.3°F (9.6°C) and 67.3°F (19.6°C). In Lynnwood, the average high-temperature in June is relatively the same as in May - a still enjoyable 67.3°F (19.6°C). Weather in June »

Weather in July

July in Lynnwood, Washington, is an agreeable summer month, with an average temperature varying between 72.9°F (22.7°C) and 52.9°F (11.6°C). In Lynnwood, the average high-temperature in July slightly increases from a comfortable 67.3°F (19.6°C) in June to a pleasant 72.9°F (22.7°C). Weather in July »

Weather in August

The last month of the summer, August, is a moderately hot month in Lynnwood, Washington, with an average temperature varying between 54.1°F (12.3°C) and 73.9°F (23.3°C). August is the warmest month, with an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 54.1°F (12.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an enjoyable month in Lynnwood, Washington, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 67.6°F (19.8°C). In September, the average high-temperature slightly decreases from a warm 73.9°F (23.3°C) in August to an enjoyable 67.6°F (19.8°C). Weather in September »

Weather in October

October, the same as September, in Lynnwood, Washington, is a moderate autumn month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 57.9°F (14.4°C). In Lynnwood, the average high-temperature in October drops from a comfortable 67.6°F (19.8°C) in September to a moderate 57.9°F (14.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Lynnwood, Washington, with an average temperature varying between 48.4°F (9.1°C) and 40.5°F (4.7°C). In November, the average high-temperature drops from a moderate 57.9°F (14.4°C) in October to a frosty 48.4°F (9.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Lynnwood, Washington, with an average temperature ranging between min 35.8°F (2.1°C) and max 43.3°F (6.3°C). With an average high-temperature of 43.3°F (6.3°C) and an average low-temperature of 35.8°F (2.1°C), December is the coldest month. Weather in December »
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FAQ

What are the most humid months in Lynnwood?

The months with the highest humidity in Lynnwood, Washington, are January, February and December, with an average relative humidity of 84%.

How much does it rain in Lynnwood?

Throughout the year, in Lynnwood, Washington, there are 173 rainfall days, and 25" (635mm) of precipitation is accumulated.

When does it snow in Lynnwood?

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

How many days does it snow in Lynnwood?

Throughout the year, in Lynnwood, Washington, there are 12.5 snowfall days, and 6.65" (169mm) of snow is accumulated.

What is the month with the least sunshine in Lynnwood?

January has the least sunshine of the year in Lynnwood, with an average of 4.5h of sunshine.

What is the month with the lowest UV index in Lynnwood?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lynnwood, Washington.

When does it snow the most in Lynnwood?

February is the month with the most snowfall in Lynnwood. Snow falls for 4.7 days and accumulates 3.58" (91mm) of snow.

When is Daylight Saving Time (DST) in Lynnwood?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Lynnwood, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Lynnwood?

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

When are the longest days in Lynnwood?

With an average of 15h and 57min of daylight, June has the longest days of the year in Lynnwood.

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

The months with the highest UV index in Lynnwood, Washington, are June and July, with an average maximum UV index of 5.

What is the least humid month in Lynnwood?

With an average relative humidity of 72%, July is the least humid month in Lynnwood, Washington.

What is the driest month in Lynnwood?

July is the month with the least rainfall in Lynnwood, Washington. Rain falls for 7.7 days and accumulates 0.39" (10mm) of precipitation.

What is the warmest month in Lynnwood?

August is the warmest month, with an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 54.1°F (12.3°C).

What month has the most sunshine in Lynnwood?

August has the most sunshine of the year in Lynnwood, Washington, with an average of 10.8h of sunshine.

What is the coldest month in Lynnwood?

December is the coldest month in Lynnwood, Washington, with an average high-temperature of 43.3°F (6.3°C) and an average low-temperature of 35.8°F (2.1°C).

What is the rainiest month in Lynnwood?

December is the month with the most rainfall in Lynnwood. Rain falls for 17.6 days and accumulates 3.5" (89mm) of precipitation.

What is the month with the shortest days in Lynnwood?

The month with the shortest days is December, with an average of 8h and 29min of daylight.

Average temperature
Lynnwood, WA

Average temperature - Lynnwood, WA

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).

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Average pressure
Lynnwood, WA

Average pressure - Lynnwood, WA

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
Lynnwood, WA

Average wind speed - Lynnwood, WA

The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity
Lynnwood, WA

Average humidity - Lynnwood, WA

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

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Average rainfall
Lynnwood, WA

Average rainfall - Lynnwood, WA

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days
Lynnwood, WA

Average rainfall days - Lynnwood, 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
Lynnwood, WA

Average snowfall - Lynnwood, WA

The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Lynnwood, WA

Average snowfall days - Lynnwood, WA

The month with the highest number of snowfall days is February (4.7 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
Lynnwood, WA

Average daylight / Average sunshine - Lynnwood, WA

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 30min).

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days
Lynnwood, WA

Average sunshine days - Lynnwood, WA

The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).

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Average UV index
Lynnwood, WA

Average UV index - Lynnwood, WA

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 visibility
Lynnwood, WA

Average visibility - Lynnwood, WA

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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