Langley
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Langley, WA

January in Langley, Washington, is a frosty winter month, with average temperature fluctuating between 35.8°F (2.1°C) and 44.1°F (6.7°C). In January, the average high-temperature is almost the same as in December - a frosty 44.1°F (6.7°C). Weather in January »

The last month of the winter, February, is another chilly month in Langley, Washington, with average temperature ranging between min 35.2°F (1.8°C) and max 44.8°F (7.1°C). In February, the average high-temperature is almost the same as in January - a still frosty 44.8°F (7.1°C). Weather in February »

March, the first month of the spring, in Langley, is still a chilly month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 48.9°F (9.4°C). In March, the average high-temperature is relatively the same as in February - a still chilly 48.9°F (9.4°C). Weather in March »

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

The last month of the spring, May, is an enjoyable month in Langley, Washington, with average temperature varying between 62.2°F (16.8°C) and 44.8°F (7.1°C). In Langley, Washington, the average high-temperature slightly increases, from a fresh 54.3°F (12.4°C) in April, to a comfortable 62.2°F (16.8°C). Weather in May »

June, the first month of the summer, in Langley, is still a comfortable month, with average temperature varying between 47.7°F (8.7°C) and 66.2°F (19°C). In Langley, the average high-temperature in June is relatively the same as in May - a still enjoyable 66.2°F (19°C). Weather in June »

July in Langley, Washington, is a pleasant summer month, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 72.1°F (22.3°C). In July, the average high-temperature marginally rises, from an enjoyable 66.2°F (19°C) in June, to an agreeable 72.1°F (22.3°C). Weather in July »

The last month of the summer, August, is also an agreeable month in Langley, Washington, with average temperature varying between 73°F (22.8°C) and 52.5°F (11.4°C). August is the warmest month, with an average high-temperature of 73°F (22.8°C) and an average low-temperature of 52.5°F (11.4°C). Weather in August »

The first month of the autumn, September, is also an enjoyable month in Langley, Washington, with average temperature varying between 50°F (10°C) and 67.1°F (19.5°C). In Langley, Washington, the average high-temperature slightly decreases, from an agreeable 73°F (22.8°C) in August, to a comfortable 67.1°F (19.5°C). Weather in September »

October, like September, is a moderate autumn month in Langley, Washington, with average temperature varying between 44.4°F (6.9°C) and 57°F (13.9°C). In Langley, Washington, the average high-temperature decreases, from an enjoyable 67.1°F (19.5°C) in September, to a moderate 57°F (13.9°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Langley, Washington, with temperature in the range of an average high of 47.7°F (8.7°C) and an average low of 39.2°F (4°C). In Langley, the average high-temperature in November decreases, from a mild 57°F (13.9°C) in October, to a frosty 47.7°F (8.7°C). Weather in November »

December, the first month of the winter, in Langley, is still a cold month, with average temperature ranging between max 42.3°F (5.7°C) and min 34.7°F (1.5°C). With an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 34.7°F (1.5°C), December is the coldest month. Weather in December »

What are the most humid months in Langley?

January and December, with an average relative humidity of 85%, are most humid months in Langley, Washington.

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, 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?

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

What is the month with the least sunshine in Langley?

Months with the least sunshine in Langley, Washington, are January and December, with an average of 4.2h of sunshine.

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

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

What is the snowiest month in Langley?

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

When it does not snow in Langley?

In Langley, Washington, 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 of daylight.

When is the highest UV index in Langley?

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

What is the least humid month in Langley?

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

What is the driest month in Langley?

The month with the least rainfall in Langley, Washington, is July when the rain falls for 7.3 days and typically collects 0.47" (12mm) of precipitation.

What is the warmest month in Langley?

With an average high-temperature of 73°F (22.8°C) and an average low-temperature of 52.5°F (11.4°C), August is the warmest month in Langley.

What month is the ocean warmest in Langley?

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

What month has the most sunshine in Langley?

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

What is the rainiest month in Langley?

The month with the most rainfall in Langley is November when the rain falls for 19.7 days and typically aggregates up to 4.06" (103mm) of precipitation.

What is the coldest month in Langley?

With an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 34.7°F (1.5°C), December is the coldest month in Langley.

What is the month with the shortest days in Langley?

December has the shortest days of the year, with an average of 8.5h of daylight.
Average temperature - Langley, WA
Average humidity - Langley, WA
Average rainfall - Langley, WA

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

Average rainfall days - Langley, WA

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

Average snowfall - Langley, WA

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

Average snowfall days - Langley, WA

The month with the highest number of snowfall days is February (3.1 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature - Langley, WA

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

Average daylight / Average sunshine - Langley, WA

The month with the longest days is June (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8.5h).

The month with most sunshine is August (Average sunshine: 10.6h).
Months with least sunshine are January and December (Average sunshine: 4.2).

Average UV index - Langley, WA