October weather forecast and climate
Langley, WA

Weather in October

October, like September, is a moderate autumn month in Langley, Washington, with average temperature ranging between min 44.4°F (6.9°C) and max 57°F (13.9°C).

Temperature

In October, the average high-temperature drops, from a comfortable 67.1°F (19.5°C) in September, to a moderate 57°F (13.9°C). In October, the average low-temperature is 44.4°F (6.9°C).

Humidity

In Langley, the average relative humidity is 81%.

Rainfall

In Langley, it is raining for 15.8 days, with typically 3.11" (79mm) of accumulated precipitation. In Langley, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

May through October are months without snowfall in Langley.

Ocean temperature

In Langley, in October, the average water temperature is 50.5°F (10.3°C).
Note: Swimming in 50.5°F (10.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Langley, the average length of the day in October is 10.8h.

Sunshine

The average sunshine in October is 5.4h.

UV index

In October, the average daily maximum UV index in Langley, Washington, is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in October in Langley?

In October, the average relative humidity in Langley, Washington, is 81%.

How many days does it rain in October in Langley?

In Langley, during October, the rain falls for 15.8 days and regularly aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Langley?

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

Does it snow in Langley in October?

In Langley, Washington, in October, it doesn't snow. In November, it regularly snows.

What is the water temperature in October in Langley?

In Langley, the average seawater temperature in October is 50.5°F (10.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in October in Langley?

In October, the average length of the day is 10.8h.

How long on average sun shines in October in Langley?

In October, the average sunshine is 5.4h.

What is the UV index reading in October in Langley?

The average daily maximum UV index in October in Langley, Washington, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in October
Langley, WA

Average temperature in October - Langley, WA
  • Average high temperature in October: 57°F

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).

  • Average low temperature in October: 44.4°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 in October
Langley, WA

Average pressure in October - Langley, WA
  • Average pressure in October: 30.03"

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

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Average wind speed in October
Langley, WA

Average wind speed in October - Langley, WA
  • Average wind speed in October: 4.8mph

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 in October
Langley, WA

Average humidity in October - Langley, WA
  • Average humidity in October: 81%

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 in October
Langley, WA

Average rainfall in October - Langley, WA
  • Average rainfall in October: 3.11"

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 in October
Langley, WA

Average rainfall days in October - Langley, WA
  • Average rainfall days in October: 15.8 days

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

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Average snowfall in October
Langley, WA

Average snowfall in October - Langley, WA
  • Average snowfall in October: 0"

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

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Average snowfall days in October
Langley, WA

Average snowfall days in October - Langley, WA
  • Average snowfall days in October: 0 days

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

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Average sea temperature in October
Langley, WA

Average sea temperature in October - Langley, WA
  • Average sea temperature in October: 50.5°F

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 in October /
Average sunshine in October
Langley, WA

Average daylight in October / Average sunshine in October - Langley, WA
  • Average daylight in October: 10.8h

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

  • Average sunshine in October: 5.4h

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

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Average sunshine days in October
Langley, WA

Average sunshine days in October - Langley, WA
  • Average sunshine days in October: 13.8 days

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

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Average UV index in October
Langley, WA

Average UV index in October - Langley, WA
  • Average UV index in October: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Langley, WA

Average cloud cover in October - Langley, WA
  • Average cloud cover in October: 42

The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in October
Langley, WA

Average visibility in October - Langley, WA
  • Average visibility in October: 6mi

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

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