Climate and monthly weather forecast
Langley, WA

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Weather in January

January in Langley, Washington, is a frosty winter month, with an average temperature varying between 35.8°F (2.1°C) and 44.1°F (6.7°C). Entering January, Langley's average high-temperature reads a frosty 44.1°F (6.7°C), indicating a close resemblance to the previous month's climate. Weather in January »

Weather in February

February, the last month of the winter in Langley, is another chilly month, with temperature in the range of an average high of 44.8°F (7.1°C) and an average low of 35.2°F (1.8°C). Langley's weather, upon February's arrival, documents an average high-temperature of a still frosty 44.8°F (7.1°C), nearly identical to the prior month. Weather in February »

Weather in March

March, the first month of the spring in Langley, is also a frosty month, with an average temperature fluctuating between 37°F (2.8°C) and 48.9°F (9.4°C). March's commencement is accompanied by an average high-temperature of a still frosty 48.9°F (9.4°C), diverging marginally from February's 44.8°F (7.1°C). Weather in March »

Weather in April

April in Langley, Washington, is a fresh spring month, with an average temperature ranging between min 40.3°F (4.6°C) and max 54.3°F (12.4°C). In Langley, the average high-temperature in April slightly rises, from a frosty 48.9°F (9.4°C) in March, to a cool 54.3°F (12.4°C). Weather in April »

Weather in May

May, the last month of the spring in Langley, is a comfortable month, with an average temperature fluctuating between 62.2°F (16.8°C) and 44.8°F (7.1°C). As May arrives, Langley's weather shows a minor increase in high-temperatures, edging from April's fresh 54.3°F (12.4°C) to a refreshing 62.2°F (16.8°C). Weather in May »

Weather in June

The first month of the summer, June, is also an enjoyable month in Langley, Washington, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 47.7°F (8.7°C). The average high-temperature in June, at a still comfortable 66.2°F (19°C), reveals a modest deviation from May's 62.2°F (16.8°C). Weather in June »

Weather in July

July is a pleasant summer month in Langley, Washington, with an average temperature ranging between min 51.4°F (10.8°C) and max 72.1°F (22.3°C). Langley's July weather indicates a minor ascent in high-temperatures, adjusting from a comfortable 66.2°F (19°C) in June to a pleasant 72.1°F (22.3°C). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Langley, Washington, with an average temperature ranging between max 73°F (22.8°C) and min 52.5°F (11.4°C). Langley, Washington, registers the highest average temperatures during the month of August, with peaks of 73°F (22.8°C) and lows of 52.5°F (11.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a refreshing month in Langley, Washington, with an average temperature varying between 50°F (10°C) and 67.1°F (19.5°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from an agreeable 73°F (22.8°C) in August to an enjoyable 67.1°F (19.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Langley, Washington, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 44.4°F (6.9°C). The onset of October brings a small change in high-temperatures, falling from a comfortable 67.1°F (19.5°C) in September to a still refreshing 57°F (13.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Langley, Washington, with an average temperature varying between 47.7°F (8.7°C) and 39.2°F (4°C). A shift in the average high-temperature occurs in November, reducing from a mild 57°F (13.9°C) in October to a chilly 47.7°F (8.7°C). Weather in November »

Weather in December

December, the first month of the winter in Langley, is also an icy month, with an average temperature fluctuating between 42.3°F (5.7°C) and 34.7°F (1.5°C). December stands out as Langley's coldest month, with temperatures ranging between an average high of 42.3°F (5.7°C) and a low of 34.7°F (1.5°C). Weather in December »
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Frequently asked questions

What are the most humid months in Langley?

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

How many days does it rain in Langley?

In Langley, Washington, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.

When does it snow in Langley?

Months with snowfall in Langley, Washington, are January through April, November and December.

How much does it snow in Langley?

In Langley, Washington, during the entire year, snow falls for 8.9 days and aggregates up to 6.1" (155mm) of snow.

What months are the ocean coldest in Langley?

The months with the coldest seawater are January through April, with an average ocean temperature of 45.1°F (7.3°C).

What are the months with the least sunshine in Langley?

January and December, with an average of 4.2h of sunshine, are months with the least sunshine.

When is the lowest UV index in Langley?

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

What is the snowiest month in Langley?

February is the month with the most snowfall in Langley. Snow falls for 3.1 days and accumulates 2.68" (68mm) of snow.

When is Daylight Saving Time (DST) in Langley?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Langley?

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

When are the longest days in Langley?

The month with the longest days in Langley is June, with an average of 16h and 0min of daylight.

When is the highest UV index in Langley?

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

What is the least humid month in Langley?

With an average relative humidity of 73%, July is the least humid month in Langley, Washington.

What is the driest month in Langley?

July is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.47" (12mm) of precipitation.

What is the warmest month in Langley?

August stands out as Langley's warmest month, with an average high-temperature of 73°F (22.8°C) and a low-temperature of 52.5°F (11.4°C).

What is the month with the warmest ocean in Langley?

With an average ocean temperature of 53.2°F (11.8°C), August is the month with the warmest seawater in Langley, Washington.

What month has the most sunshine in Langley?

The month with the most sunshine in Langley is August, with an average of 10.6h of sunshine.

What is the rainiest month in Langley?

November is the month with the most rainfall. Rain falls for 19.7 days and accumulates 4.06" (103mm) of precipitation.

What is the coldest time of year in Langley?

December is the coldest month of the year, registering average temperatures as high as 42.3°F (5.7°C) and as low as 34.7°F (1.5°C).

What is the month with the shortest days in Langley?

December has the shortest days of the year in Langley, with an average of 8h and 24min of daylight.

Average temperature
Langley, WA

Average temperature - Langley, WA

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).

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Average pressure
Langley, WA

Average pressure - Langley, WA

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed
Langley, WA

Average wind speed - Langley, WA

The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity
Langley, WA

Average humidity - Langley, WA

The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).

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Average rainfall
Langley, WA

Average rainfall - Langley, WA

The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days
Langley, WA

Average rainfall days - Langley, WA

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall
Langley, WA

Average snowfall - Langley, WA

The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Langley, WA

Average snowfall days - Langley, WA

The month with the highest number of snowfall days is February (3.1 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
Langley, WA

Average sea temperature - Langley, WA

The best month for swimming (with the highest average sea temperature) is August (53.3°F).
The coldest months (with the lowest average sea temperature) are February and March (45.1°F).

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Average daylight / Average sunshine
Langley, WA

Average daylight / Average sunshine - Langley, 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 24min).

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

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Average sunshine days
Langley, WA

Average sunshine days - Langley, WA

The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).

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Average UV index
Langley, WA

Average UV index - Langley, 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
Langley, WA

Average visibility - Langley, WA

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

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Langley, Washington, USA

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