January Weather in Bothell, United States

Last updated: June 24, 2025

In January, the average temperature in Bothell, United States hovers around 6°C (43°F). Temperatures can dip to a chilly -7°C (20°F) at their lowest, while reaching up to 15°C (59°F) during the warmer days. Expect 178 mm (7.0 in) of precipitation spread over 15 days, contributing to an average humidity level of a muggy 86%.

January Temperature in Bothell

In January in Bothell, the average temperature is 6°C (43°F). Maximums can reach 15°C (59°F), and minimums can be as low as -7°C (20°F). Be prepared for a chilly trip with varied temperatures, making it essential to pack layers for your visit.

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

The chart illustrates January temperature patterns in Bothell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bothell, January typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (59°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in Bothell

In Bothell in January, the precipitation amount is 178 mm (7.0 in) over a span of 15 days.

January Precipitation Trends in Bothell

The chart displays monthly precipitation patterns in Bothell, 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 Bothell, January typically receives around 178 mm (7.0 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 Bothell

In Bothell in January humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

January Average Humidity in Bothell

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

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

Maximum UV Index Levels in Bothell for January

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

Data source: Bothell 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 Bothell Compares to Other Months

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

This table compares monthly weather conditions in Bothell, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	178 mm (7.0 inches)	86%	low
February Weather	5°C (41°F)	177 mm (7.0 inches)	86%	moderate
March Weather	7°C (45°F)	128 mm (5.0 inches)	87%	moderate
April Weather	10°C (50°F)	117 mm (4.6 inches)	84%	high
May Weather	13°C (56°F)	77 mm (3.0 inches)	81%	very high
June Weather	16°C (61°F)	73 mm (2.9 inches)	82%	very high
July Weather	18°C (65°F)	27 mm (1.1 inches)	79%	very high
August Weather	19°C (66°F)	24 mm (0.9 inches)	63%	very high
September Weather	16°C (61°F)	99 mm (3.9 inches)	62%	high
October Weather	11°C (52°F)	163 mm (6.4 inches)	83%	moderate
November Weather	8°C (47°F)	188 mm (7.4 inches)	89%	low
December Weather	6°C (42°F)	199 mm (7.8 inches)	88%	low