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January Weather in Bath, United States

Last updated: June 24, 2025

In January, the average temperature in Bath, United States hovers around -7°C (19°F). During this time, temperatures can plummet to a chilling -32°C (-26°F), while peaking at a milder 14°C (57°F). Expect about 76 mm (3.0 in) of precipitation over 11 days, with an average humidity level of a brisk 91%. Stay warm and prepared for the elements!

January Temperature in Bath

In January in Bath, the average temperature is -7°C (19°F), with maximums reaching 14°C (57°F) and minimums plummeting to -32°C (-26°F). Travelers should pack accordingly, as conditions can vary dramatically and it's essential to be prepared for both chilly and milder weather.

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 -7°C (19°F), with highs reaching up to 14°C (57°F) and lows dropping to around -32°C (-26°F).
JanFebMarAprMayJunJulAugSepOctNovDec192229425564696760483424
Data source: Temperature data for Bath generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Bath

In Bath in January, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 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 76 mm (3.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7675651099395110796312910084
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Bath

In Bath in January humidity is 91%. With an average temperature of -7°C (19°F), this humidity feels like an icy blanket wrapping around you, making every breath feel heavy and cold, creating a damp chill that seeps into your bones, which can be particularly uncomfortable for travelers who are unaccustomed to such frigid conditions.

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 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)76 mm (3.0 inches)91%low
February Weather-5°C (22°F)75 mm (3.0 inches)89%moderate
March Weather-1°C (30°F)65 mm (2.6 inches)85%moderate
April Weather6°C (43°F)109 mm (4.3 inches)84%very high
May Weather13°C (55°F)92 mm (3.6 inches)78%very high
June Weather18°C (64°F)95 mm (3.7 inches)72%very high
July Weather21°C (69°F)110 mm (4.3 inches)75%very high
August Weather20°C (67°F)79 mm (3.1 inches)74%very high
September Weather16°C (60°F)63 mm (2.5 inches)77%high
October Weather9°C (49°F)129 mm (5.1 inches)85%moderate
November Weather1°C (34°F)100 mm (3.9 inches)86%moderate
December Weather-4°C (24°F)84 mm (3.3 inches)85%low

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