January Weather in Anacortes, United States

Last updated: June 24, 2025

In January, the average temperature in Anacortes, United States hovers around 5°C (42°F). While temperatures can dip as low as -7°C (19°F), they may also peak at 13°C (56°F). Expect 171 mm (6.7 in) of precipitation spread over 15 days, contributing to a notably high average humidity of 86%.

January Temperature in Anacortes

In January in Anacortes, the average temperature is 5°C (42°F). Maximums can reach 13°C (56°F), while minimums can drop as low as -7°C (19°F). Be prepared for chilly weather and pack accordingly if you plan to explore this destination.

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

The chart illustrates January temperature patterns in Anacortes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Anacortes, January typically has an average temperature of 5°C (42°F), with highs reaching up to 13°C (56°F) and lows dropping to around -7°C (19°F).

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

January Precipitation in Anacortes

In Anacortes in January, the total precipitation amount is 171 mm (6.7 in) spread over 15 days.

January Precipitation Trends in Anacortes

The chart displays monthly precipitation patterns in Anacortes, 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 Anacortes, January typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 15 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 Anacortes

In Anacortes in January, humidity is 86%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that penetrates your layers, making outdoor activities quite uncomfortable and prompting you to seek warmth indoors more often.

January Average Humidity in Anacortes

This chart illustrates the average monthly humidity levels in Anacortes, 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 Anacortes 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 Anacortes

In Anacortes 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 Anacortes, you can visit Hourly UV Index in Anacortes.

Maximum UV Index Levels in Anacortes for January

The chart shows the monthly maximum UV Index (UVI) for Anacortes 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 Anacortes typically reaches 2, which falls under the low exposure category.

Data source: Anacortes 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 Anacortes Compares to Other Months

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

This table compares monthly weather conditions in Anacortes, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	171 mm (6.7 inches)	86%	low
February Weather	4°C (40°F)	175 mm (6.9 inches)	85%	moderate
March Weather	7°C (44°F)	137 mm (5.4 inches)	86%	moderate
April Weather	9°C (49°F)	102 mm (4.0 inches)	86%	high
May Weather	12°C (55°F)	61 mm (2.4 inches)	81%	very high
June Weather	15°C (59°F)	52 mm (2.0 inches)	83%	very high
July Weather	17°C (63°F)	21 mm (0.8 inches)	84%	very high
August Weather	18°C (64°F)	18 mm (0.7 inches)	77%	very high
September Weather	15°C (60°F)	112 mm (4.4 inches)	76%	high
October Weather	11°C (51°F)	166 mm (6.5 inches)	88%	moderate
November Weather	8°C (46°F)	226 mm (8.9 inches)	87%	low
December Weather	5°C (41°F)	199 mm (7.8 inches)	87%	low