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May Weather in St Anne, Guernsey

Last updated: August 23, 2025

In St Anne, Guernsey, the average temperature in May hovers around 12°C (53°F), with daily variations ranging from a minimum of 7°C (45°F) to a maximum of 18°C (65°F). Expect about 54 mm (2.1 in) of precipitation spread over 8 days, contributing to an average humidity of 80%. This combination of climate conditions makes for a cozy yet potentially damp experience during your visit!

May Temperature in St Anne

In May in St Anne, the average temperature is 12°C (53°F). The maximum can reach 18°C (65°F), while the minimum can drop as low as 7°C (45°F). Overall, this climate makes St Anne a comfortable destination for outdoor activities and sightseeing.

May Weather in St Anne: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in St Anne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St Anne, May typically has an average temperature of 12°C (53°F), with highs reaching up to 18°C (65°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec484848505357616262595451
Data source: Temperature data for St Anne 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 Anne

In St Anne in May, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.

May Precipitation Trends in St Anne

The chart displays monthly precipitation patterns in St Anne, 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 Anne, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec998678335458385459144131170
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in St Anne

In St Anne in May humidity is 80%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill clinging to your skin, making outdoor activities less inviting and prompting the need for layered clothing to stay comfortable while traveling.

May Average Humidity in St Anne

This chart illustrates the average monthly humidity levels in St Anne, 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 Anne is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in St Anne

In St Anne 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 Anne.

Maximum UV Index Levels in St Anne for May

The chart shows the monthly maximum UV Index (UVI) for St Anne 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 Anne typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679876421
Data source: St Anne 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 Anne Compares to Other Months

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

This table compares monthly weather conditions in St Anne, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)99 mm (3.9 inches)90%low
February Weather9°C (48°F)86 mm (3.4 inches)89%moderate
March Weather9°C (49°F)78 mm (3.1 inches)86%moderate
April Weather10°C (50°F)33 mm (1.3 inches)84%high
May Weather12°C (53°F)54 mm (2.1 inches)80%high
June Weather14°C (58°F)58 mm (2.3 inches)80%very high
July Weather16°C (61°F)38 mm (1.5 inches)69%very high
August Weather17°C (63°F)54 mm (2.1 inches)73%high
September Weather16°C (62°F)59 mm (2.3 inches)79%high
October Weather15°C (59°F)144 mm (5.7 inches)89%moderate
November Weather12°C (54°F)131 mm (5.2 inches)92%low
December Weather10°C (51°F)170 mm (6.7 inches)92%low

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