January Weather in Keyport, United States

Last updated: June 24, 2025

In January, the average temperature in Keyport, United States hovers around 6°C (44°F), with temperatures ranging from a chilly -3°C (26°F) to a mild 14°C (57°F). Expect a fair amount of rain, with 163 mm (6.4 in) of precipitation spread over approximately 16 days. The air is quite humid, with an average humidity level of 86%, creating a cool and damp atmosphere throughout the month.

January Temperature in Keyport

In January in Keyport, the average temperature is 6°C (44°F). Maximum temperatures can reach 14°C (57°F), while minimums can dip as low as -3°C (26°F). Be prepared for fluctuating temperatures if you're traveling during this month.

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

The chart illustrates January temperature patterns in Keyport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keyport, January typically has an average temperature of 6°C (44°F), with highs reaching up to 14°C (57°F) and lows dropping to around -3°C (26°F).

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

January Precipitation in Keyport

In Keyport in January, the precipitation amount is 163 mm (6.4 in) spread out over 16 days.

January Precipitation Trends in Keyport

The chart displays monthly precipitation patterns in Keyport, 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 Keyport, January typically receives around 163 mm (6.4 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 Keyport

In Keyport in January, humidity is 86%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities quite uncomfortable for traveling.

January Average Humidity in Keyport

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

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

Maximum UV Index Levels in Keyport for January

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

Data source: Keyport 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 Keyport Compares to Other Months

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

This table compares monthly weather conditions in Keyport, 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 (44°F)	163 mm (6.4 inches)	86%	low
February Weather	5°C (42°F)	142 mm (5.6 inches)	84%	moderate
March Weather	8°C (46°F)	111 mm (4.4 inches)	85%	moderate
April Weather	10°C (50°F)	96 mm (3.8 inches)	83%	high
May Weather	13°C (56°F)	69 mm (2.7 inches)	84%	very high
June Weather	16°C (61°F)	65 mm (2.6 inches)	84%	very high
July Weather	19°C (66°F)	26 mm (1.0 inches)	82%	very high
August Weather	19°C (67°F)	25 mm (1.0 inches)	73%	very high
September Weather	16°C (62°F)	84 mm (3.3 inches)	74%	high
October Weather	12°C (53°F)	136 mm (5.4 inches)	83%	moderate
November Weather	9°C (48°F)	168 mm (6.6 inches)	86%	low
December Weather	6°C (43°F)	179 mm (7.1 inches)	87%	low