January Weather in Lynden, United States

Last updated: June 24, 2025

In January, the average temperature in Lynden, United States hovers around 4°C (40°F), with a minimum plunging to -11°C (12°F) and a maximum reaching 14°C (57°F). Expect about 223 mm (8.8 in) of precipitation over 16 days, contributing to an average humidity of a brisk 86%. Prepare for a chilly and wet month!

January Temperature in Lynden

In January in Lynden, the average temperature is 4°C (40°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -11°C (12°F). Travelers should be prepared for chilly conditions and varying temperatures, making warm clothing a necessity.

January Weather in Lynden: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Lynden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lynden, January typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (57°F) and lows dropping to around -11°C (12°F).

Data source: Temperature data for Lynden generated using information from the Copernicus Climate Change Service.

January Precipitation in Lynden

In Lynden in January, the precipitation amount is 223 mm (8.8 in) over the course of 16 days.

January Precipitation Trends in Lynden

The chart displays monthly precipitation patterns in Lynden, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Lynden, January typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Lynden

In Lynden in January humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.

January Average Humidity in Lynden

This chart illustrates the average monthly humidity levels in Lynden, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Lynden is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Lynden

In Lynden in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Lynden, you can visit Hourly UV Index in Lynden.

Maximum UV Index Levels in Lynden for January

The chart shows the monthly maximum UV Index (UVI) for Lynden in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Lynden typically reaches 2, which falls under the low exposure category.

Data source: Lynden January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Lynden Compares to Other Months

Weather in Lynden varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Lynden, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lynden, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	223 mm (8.8 inches)	86%	low
February Weather	3°C (38°F)	192 mm (7.5 inches)	85%	moderate
March Weather	7°C (44°F)	180 mm (7.1 inches)	86%	moderate
April Weather	10°C (50°F)	151 mm (5.9 inches)	86%	high
May Weather	14°C (57°F)	83 mm (3.3 inches)	81%	high
June Weather	16°C (62°F)	73 mm (2.9 inches)	83%	very high
July Weather	19°C (66°F)	38 mm (1.5 inches)	84%	very high
August Weather	19°C (67°F)	25 mm (1.0 inches)	77%	very high
September Weather	16°C (61°F)	168 mm (6.6 inches)	76%	high
October Weather	10°C (51°F)	219 mm (8.6 inches)	88%	moderate
November Weather	7°C (45°F)	297 mm (11.7 inches)	87%	low
December Weather	4°C (39°F)	245 mm (9.6 inches)	87%	low