January Weather in Bay, United States

Last updated: June 24, 2025

In Bay, United States during January, the average temperature hovers around 5°C (41°F). Temperatures can dip as low as -15°C (6°F) or soar to a warm 23°C (73°F). Expect about 99 mm (3.9 in) of precipitation spread over 8 days, coupled with a notably high average humidity of 84%. Prepare for a month of diverse weather conditions!

January Temperature in Bay

In January in Bay, the average temperature is 5°C (41°F). Maximum temperatures can reach 23°C (73°F), while the minimum can drop as low as -15°C (6°F). Be prepared for a wide range of temperatures during your travels.

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

The chart illustrates January temperature patterns in Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bay, January typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (73°F) and lows dropping to around -15°C (6°F).

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

January Precipitation in Bay

In Bay in January, the precipitation amount is 99 mm (3.9 in) spread over 8 days.

January Precipitation Trends in Bay

The chart displays monthly precipitation patterns in Bay, 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 Bay, January typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 8 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 Bay

In Bay in January humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.

January Average Humidity in Bay

This chart illustrates the average monthly humidity levels in Bay, 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 Bay is approximately 84%, 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 Bay

In Bay in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Bay for better planning.

Maximum UV Index Levels in Bay for January

The chart shows the monthly maximum UV Index (UVI) for Bay 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 Bay typically reaches 4, which falls under the moderate exposure category.

Data source: Bay 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 Bay Compares to Other Months

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

This table compares monthly weather conditions in Bay, 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 (41°F)	99 mm (3.9 inches)	84%	moderate
February Weather	6°C (44°F)	170 mm (6.7 inches)	83%	high
March Weather	12°C (54°F)	169 mm (6.7 inches)	81%	high
April Weather	15°C (60°F)	140 mm (5.5 inches)	81%	very high
May Weather	22°C (71°F)	133 mm (5.2 inches)	83%	extreme
June Weather	26°C (78°F)	102 mm (4.0 inches)	83%	extreme
July Weather	28°C (82°F)	97 mm (3.8 inches)	81%	extreme
August Weather	26°C (79°F)	112 mm (4.4 inches)	74%	very high
September Weather	24°C (75°F)	90 mm (3.5 inches)	71%	very high
October Weather	17°C (64°F)	125 mm (4.9 inches)	76%	high
November Weather	10°C (50°F)	82 mm (3.2 inches)	84%	moderate
December Weather	7°C (46°F)	119 mm (4.7 inches)	88%	moderate