October weather forecast
Langley, WA

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Weather in October

October, the same as September, in Langley, Washington, is a moderate autumn month, with an average temperature fluctuating between 44.4°F (6.9°C) and 57°F (13.9°C).

Temperature

Langley in October demonstrates a small temperature transition, adjusting from an average high of a refreshing 67.1°F (19.5°C) in September to a moderate 57°F (13.9°C). Langley reports a consistent average low-temperature of 44.4°F (6.9°C) throughout October nights.

Humidity

The average relative humidity in October in Langley is 81%.

Rainfall

In Langley, in October, it is raining for 15.8 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 179.1 rainfall days, and 29.57" (751mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Langley.

Ocean temperature

In Langley, the average seawater temperature in October is 50.5°F (10.3°C).
Note: Swimming in 50.5°F (10.3°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.

Daylight

In Langley, the average length of the day in October is 10h and 49min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:47 pm. On the last day of October, sunrise is at 7:54 am and sunset at 5:51 pm PDT.

Sunshine

In Langley, the average sunshine in October is 5.4h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 3 in October translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What is the usual temperature for Langley in October?

The average high-temperature and low-temperature during October are 57°F (13.9°C) and 44.4°F (6.9°C) respectively.

What is the average humidity in October?

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

How many days does it rain in October?

In Langley, in October, during 15.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in Langley in October?

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

What is the ocean temperature in October?

In Langley, the average seawater temperature in October is 50.5°F (10.3°C). Swimming in 50.5°F (10.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Langley have in October?

In Langley, the average day length in October is 10h and 49min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:10 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:51 pm PDT.

How long on average sun shines in October?

The average sunshine duration in October is 5.4h.

How high is the UV index in October in Langley?

The average daily maximum UV index in October in Langley, Washington, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in October
Langley, WA

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

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

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).

Average humidity in October
Langley, WA

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

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

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").

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).

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

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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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).

Average daylight in October /
Average sunshine in October
Langley, WA

Average daylight in October / Average sunshine in October - Langley, WA
  • Average daylight in October: 10h and 5min

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).

  • Average sunshine in October: 5h and 2min

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).

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).
The months with the least sunshine days are February and November (8.6 days).

Average UV index in October
Langley, WA

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

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).

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).

Average visibility in October
Langley, WA

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

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).

Langley, Washington, USA

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