October weather forecast
Lynden, WA

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Weather in October

October, the same as September, in Lynden, Washington, is another mild autumn month, with an average temperature fluctuating between 42.3°F (5.7°C) and 56.1°F (13.4°C).

Temperature

The onset of October brings a small change in high-temperatures, falling from a comfortable 66.7°F (19.3°C) in September to a mild 56.1°F (13.4°C). In the month of October, the average temperature dips to an icy 42.3°F (5.7°C) during the night.

Humidity

In October, the average relative humidity is 82%.

Rainfall

In Lynden, in October, during 17.1 rainfall days, 5.35" (136mm) of precipitation is typically accumulated. Throughout the year, in Lynden, Washington, there are 188 rainfall days, and 49.88" (1267mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Lynden.

Daylight

In October, the average length of the day in Lynden is 10h and 46min.
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, in Lynden, sunrise is at 7:56 am and sunset at 5:50 pm PDT.

Sunshine

The average sunshine in October in Lynden is 5.1h.

UV index

The months with the lowest UV index in Lynden are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 2 suggests these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Lynden in October?

The high-temperature, in October, in Lynden, is 56.1°F (13.4°C), while the low-temperature averages to 42.3°F (5.7°C).

What is the average humidity in October in Lynden?

In Lynden, Washington, the average relative humidity in October is 82%.

How much does it rain in Lynden in October?

In Lynden, Washington, in October, during 17.1 rainfall days, 5.35" (136mm) of precipitation is typically accumulated.

When it does not snow in Lynden?

May through October are months without snowfall.

Does it snow in Lynden in October?

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

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

In Lynden, Washington, the average day length in October is 10h and 46min.

When is the sunrise / sunset in October in Lynden?

On the first day of October in Lynden, Washington, sunrise is at 7:10 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:50 pm PDT.

How long on average sun shines in October in Lynden?

The average sunshine duration in October in Lynden is 5.1h.

When is the lowest UV index in Lynden?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Lynden, Washington.

What is the UV index intensity in October in Lynden?

The average daily maximum UV index in October in Lynden is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Lynden, WA

Average temperature in October - Lynden, WA
  • Average high temperature in October: 56.1°F

The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is December (39.6°F).

  • Average low temperature in October: 42.3°F

The month with the highest average low temperature is August (51.4°F).
The coldest months (with the lowest average low temperature) are February and December (31.6°F).

Average pressure in October
Lynden, WA

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

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

Average wind speed in October
Lynden, WA

Average wind speed in October - Lynden, WA
  • Average wind speed in October: 3.9mph

The windiest months (with the highest average wind speed) are January and February (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).

Average humidity in October
Lynden, WA

Average humidity in October - Lynden, WA
  • Average humidity in October: 82%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).

Average rainfall in October
Lynden, WA

Average rainfall in October - Lynden, WA
  • Average rainfall in October: 5.35"

The wettest month (with the highest rainfall) is November (7.72").
The driest month (with the least rainfall) is July (0.91").

Average rainfall days in October
Lynden, WA

Average rainfall days in October - Lynden, WA
  • Average rainfall days in October: 17.1 days

The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).

Average snowfall in October
Lynden, WA

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

The month with the highest snowfall is February (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Lynden, WA

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

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).

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

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

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in October: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

Average sunshine days in October
Lynden, WA

Average sunshine days in October - Lynden, WA
  • Average sunshine days in October: 12.4 days

The months with the most sunshine days are July and August (21 days).
The month with the least sunshine days is March (8.4 days).

Average UV index in October
Lynden, WA

Average UV index in October - Lynden, WA
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in October
Lynden, WA

Average cloud cover in October - Lynden, WA
  • Average cloud cover in October: 48

The month with the most cloud cover is March (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in October
Lynden, WA

Average visibility in October - Lynden, WA
  • Average visibility in October: 5mi

The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).

Lynden, Washington, USA

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