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May Weather in St Mary's Bay, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in St Mary's Bay, United Kingdom hovers around 12°C (55°F), with a pleasant range between 3°C (38°F) and a warm 22°C (73°F). Expect about 61 mm (2.4 in) of precipitation spread over 10 days, and brace yourself for an average humidity of 82%, ensuring a humid yet comfortable atmosphere.

May Temperature in St Mary's Bay

In May in St Mary's Bay, the average temperature is 12°C (55°F). Maximums can reach 22°C (73°F), while minimums can dip as low as 3°C (38°F). This mild climate makes it a great time for travelers to explore and enjoy outdoor activities.

May Weather in St Mary's Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in St Mary's Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St Mary's Bay, May typically has an average temperature of 12°C (55°F), with highs reaching up to 22°C (73°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec434446495460646461564946
Data source: Temperature data for St Mary's Bay 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 St Mary's Bay

In St Mary's Bay in May, the precipitation amount is 61 mm (2.4 in) over a span of 10 days.

May Precipitation Trends in St Mary's Bay

The chart displays monthly precipitation patterns in St Mary's Bay, 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 St Mary's Bay, May typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec68695929615648645310383119
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in St Mary's Bay

In St Mary's Bay in May, humidity is 82%. With an average temperature of 12°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even a simple walk feel laborious and sticky, which can be quite exhausting for traveling.

May Average Humidity in St Mary's Bay

This chart illustrates the average monthly humidity levels in St Mary's Bay, 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 St Mary's Bay is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in St Mary's Bay

In St Mary's Bay in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in St Mary's Bay.

Maximum UV Index Levels in St Mary's Bay for May

The chart shows the monthly maximum UV Index (UVI) for St Mary's Bay 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 St Mary's Bay typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: St Mary's Bay 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 St Mary's Bay Compares to Other Months

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

This table compares monthly weather conditions in St Mary's Bay, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)68 mm (2.7 inches)91%low
February Weather7°C (44°F)69 mm (2.7 inches)89%low
March Weather8°C (46°F)59 mm (2.3 inches)86%moderate
April Weather10°C (49°F)29 mm (1.1 inches)85%moderate
May Weather12°C (55°F)61 mm (2.4 inches)82%high
June Weather16°C (61°F)56 mm (2.2 inches)81%very high
July Weather18°C (65°F)48 mm (1.9 inches)76%very high
August Weather18°C (65°F)64 mm (2.5 inches)73%high
September Weather16°C (61°F)53 mm (2.1 inches)80%moderate
October Weather13°C (56°F)103 mm (4.0 inches)89%moderate
November Weather10°C (49°F)83 mm (3.3 inches)92%low
December Weather8°C (46°F)119 mm (4.7 inches)92%low

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