January weather forecast
Lynden, WA

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Weather in January

January, the same as December, is another cold winter month in Lynden, Washington, with an average temperature varying between 32.9°F (0.5°C) and 41.2°F (5.1°C).

Temperature

The advent of January denotes an average high-temperature of a still icy 41.2°F (5.1°C), subtly different from December's 39.6°F (4.2°C). Throughout January, a modest shift from daytime highs is anticipated, with an average low-temperature of 32.9°F (0.5°C).

Humidity

The most humid month in Lynden is January, with an average relative humidity of 87%.

Rainfall

In Lynden, Washington, in January, during 18.2 rainfall days, 7.01" (178mm) of precipitation is typically accumulated. Throughout the year, there are 188 rainfall days, and 49.88" (1267mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Lynden. In Lynden, Washington, during January, snow falls for 2.9 days and regularly aggregates up to 2.64" (67mm) of snow. In Lynden, during the entire year, snow falls for 14.7 days and aggregates up to 10.2" (259mm) of snow.

Daylight

In January, the average length of the day in Lynden is 8h and 48min.
On the first day of the month, sunrise is at 8:03 am and sunset at 4:23 pm. On the last day of January, in Lynden, sunrise is at 7:41 am and sunset at 5:04 pm PST.

Sunshine

The average sunshine in January in Lynden is 3.9h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 2 in January transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. 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. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Lynden in January?

In January, the average high-temperature and low-temperature in Lynden, Washington, are 41.2°F (5.1°C) and 32.9°F (0.5°C) respectively.

What is the most humid month in Lynden?

The most humid month in Lynden is January, with an average relative humidity of 87%.

What is the average humidity in January in Lynden?

In Lynden, Washington, the average relative humidity in January is 87%.

How many days does it rain in January in Lynden?

In Lynden, Washington, during January, the rain falls for 18.2 days and regularly aggregates up to 7.01" (178mm) of precipitation.

How many days does it snow in January in Lynden?

In Lynden, in January, snow falls for 2.9 days, with typically accumulated 2.64" (67mm) of snow.

How many hours of daylight does Lynden have in January?

In Lynden, Washington, the average day length in January is 8h and 48min.

What time are sunrise and sunset in January in Lynden?

On the first day of January, sunrise is at 8:03 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:04 pm PST.

How many hours of sunshine does Lynden have in January?

In January, the average sunshine duration in Lynden, Washington, is 3.9h.

What is the month with 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 reading in January in Lynden?

The average daily maximum UV index in January in Lynden, Washington, is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Lynden, WA

Average temperature in January - Lynden, WA
  • Average high temperature in January: 41.2°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 January: 32.9°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 January
Lynden, WA

Average pressure in January - Lynden, WA
  • Average pressure in January: 30.09"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 January
Lynden, WA

Average wind speed in January - Lynden, WA
  • Average wind speed in January: 4.7mph

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 January
Lynden, WA

Average humidity in January - Lynden, WA
  • Average humidity in January: 87%

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

Average rainfall in January
Lynden, WA

Average rainfall in January - Lynden, WA
  • Average rainfall in January: 7.01"

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 January
Lynden, WA

Average rainfall days in January - Lynden, WA
  • Average rainfall days in January: 18.2 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 January
Lynden, WA

Average snowfall in January - Lynden, WA
  • Average snowfall in January: 2.64"

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 January
Lynden, WA

Average snowfall days in January - Lynden, WA
  • Average snowfall days in January: 2.9 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 January /
Average sunshine in January
Lynden, WA

Average daylight in January / Average sunshine in January - Lynden, WA
  • Average daylight in January: 8h 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 January: 3h and 5min

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 January
Lynden, WA

Average sunshine days in January - Lynden, WA
  • Average sunshine days in January: 11 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 January
Lynden, WA

Average UV index in January - Lynden, WA
  • Average UV index in January: 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 January
Lynden, WA

Average cloud cover in January - Lynden, WA
  • Average cloud cover in January: 59

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 January
Lynden, WA

Average visibility in January - Lynden, WA
  • Average visibility in January: 4mi

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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