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May Weather in Bath, Canada

Last updated: June 18, 2025

In May, the average temperature in Bath, Canada hovers around 13°C (56°F). However, temperatures can fluctuate dramatically, with minimums plummeting to -2°C (29°F) and maximums soaring up to 29°C (85°F). This month, you can expect about 98 mm (3.8 in) of precipitation spread over 11 days, along with an average humidity level of 75%, making it a rather damp experience overall.

May Temperature in Bath

In May in Bath, the average temperature is 13°C (56°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as -2°C (29°F). This range makes it a good month for travelers to experience mild weather, but they should be prepared for both warmth and cooler temperatures.

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

The chart illustrates May 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, May typically has an average temperature of 13°C (56°F), with highs reaching up to 29°C (85°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec222432435665727163523828
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.

May Precipitation in Bath

In Bath in May, the precipitation amount is 98 mm (3.8 in) over the course of 11 days.

May Precipitation Trends in Bath

The chart displays monthly precipitation patterns in Bath, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Bath, May typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7476741259891106907414510090
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bath

In Bath in May humidity is 75%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable, as the moisture in the air clings to your skin and can dampen your spirits as well as your clothes.

May Average Humidity in Bath

This chart illustrates the average monthly humidity levels in Bath, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Bath is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bath

In Bath in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Bath.

Maximum UV Index Levels in Bath for May

The chart shows the monthly maximum UV Index (UVI) for Bath in May, 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 May, the maximum UV index in Bath typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Bath May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (22°F)74 mm (2.9 inches)93%low
February Weather-4°C (24°F)76 mm (3.0 inches)93%moderate
March Weather0°C (32°F)74 mm (2.9 inches)86%moderate
April Weather6°C (43°F)125 mm (4.9 inches)82%very high
May Weather13°C (56°F)98 mm (3.8 inches)75%very high
June Weather19°C (66°F)91 mm (3.6 inches)68%very high
July Weather22°C (72°F)106 mm (4.2 inches)69%very high
August Weather21°C (71°F)90 mm (3.5 inches)67%very high
September Weather17°C (63°F)74 mm (2.9 inches)72%high
October Weather11°C (52°F)145 mm (5.7 inches)83%moderate
November Weather3°C (38°F)100 mm (3.9 inches)88%moderate
December Weather-2°C (29°F)90 mm (3.5 inches)89%low

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