January Weather in Bath, United States

Last updated: June 24, 2025

In January, the average temperature in Bath, United States hovers around -4°C (26°F). Expect chilly conditions, with minimums dipping as low as -24°C (-10°F) and occasional highs reaching 13°C (55°F). This month also sees 84 mm (3.3 in) of precipitation over about 8 days, while maintaining a high average humidity of 85%. Bundle up and prepare for a brisk, wet experience!

January Temperature in Bath

In January in Bath, the average temperature is -4°C (26°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -24°C (-10°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable.

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

The chart illustrates January temperature patterns in Bath, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bath, January typically has an average temperature of -4°C (26°F), with highs reaching up to 13°C (55°F) and lows dropping to around -24°C (-10°F).

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

January Precipitation in Bath

In Bath in January, the precipitation amount is 84 mm (3.3 in) spread over 8 days.

January Precipitation Trends in Bath

The chart displays monthly precipitation patterns in Bath, 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 Bath, January typically receives around 84 mm (3.3 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 Bath

In Bath in January humidity is 85%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that seeps through your layers, making travel uncomfortable and urging you to seek warmth quickly.

January Average Humidity in Bath

This chart illustrates the average monthly humidity levels in Bath, 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 Bath is approximately 85%, 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 Bath

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

Maximum UV Index Levels in Bath for January

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

Data source: Bath 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 Bath Compares to Other Months

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

This table compares monthly weather conditions in Bath, 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 (26°F)	84 mm (3.3 inches)	85%	low
February Weather	-3°C (27°F)	85 mm (3.3 inches)	86%	moderate
March Weather	1°C (33°F)	71 mm (2.8 inches)	84%	moderate
April Weather	7°C (44°F)	118 mm (4.6 inches)	79%	high
May Weather	12°C (54°F)	73 mm (2.9 inches)	79%	very high
June Weather	18°C (65°F)	61 mm (2.4 inches)	86%	very high
July Weather	21°C (71°F)	110 mm (4.3 inches)	85%	very high
August Weather	21°C (71°F)	74 mm (2.9 inches)	83%	very high
September Weather	17°C (64°F)	71 mm (2.8 inches)	80%	high
October Weather	12°C (53°F)	128 mm (5.1 inches)	77%	moderate
November Weather	4°C (40°F)	111 mm (4.4 inches)	80%	moderate
December Weather	-1°C (30°F)	121 mm (4.8 inches)	81%	low