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May Weather in Hailsham, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Hailsham, United Kingdom hovers around 12°C (54°F). Expect a minimum of 6°C (42°F) and a pleasant maximum of 18°C (66°F). With an average humidity of 82%, it’s a month where you might feel that slight chill! Rainfall is moderate, with 49 mm (1.9 in) expected over about 9 days. Get ready for a mix of cool breezes and refreshing showers!

May Temperature in Hailsham

In May in Hailsham, the average temperature is 12°C (54°F). Maximums can reach 18°C (66°F), and minimums can be as low as 6°C (42°F). It's a great time to explore Hailsham, so be sure to pack layers to enjoy both the warmer and cooler moments of the day.

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

The chart illustrates May temperature patterns in Hailsham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hailsham, May typically has an average temperature of 12°C (54°F), with highs reaching up to 18°C (66°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec454546495359636462575148
Data source: Temperature data for Hailsham 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 Hailsham

In Hailsham in May, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.

May Precipitation Trends in Hailsham

The chart displays monthly precipitation patterns in Hailsham, 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 Hailsham, May typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec788067314960497067131120147
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hailsham

In Hailsham in May humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

May Average Humidity in Hailsham

This chart illustrates the average monthly humidity levels in Hailsham, 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 Hailsham 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 Hailsham

In Hailsham 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 Hailsham.

Maximum UV Index Levels in Hailsham for May

The chart shows the monthly maximum UV Index (UVI) for Hailsham 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 Hailsham typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Hailsham 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 Hailsham Compares to Other Months

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

This table compares monthly weather conditions in Hailsham, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)78 mm (3.1 inches)91%low
February Weather7°C (45°F)80 mm (3.2 inches)89%low
March Weather8°C (47°F)67 mm (2.6 inches)86%moderate
April Weather9°C (49°F)31 mm (1.2 inches)85%high
May Weather12°C (54°F)49 mm (1.9 inches)82%high
June Weather15°C (59°F)60 mm (2.3 inches)81%very high
July Weather17°C (63°F)49 mm (1.9 inches)76%very high
August Weather18°C (64°F)70 mm (2.8 inches)73%high
September Weather16°C (62°F)66 mm (2.6 inches)80%high
October Weather14°C (58°F)131 mm (5.1 inches)89%moderate
November Weather11°C (52°F)120 mm (4.7 inches)92%low
December Weather9°C (48°F)147 mm (5.8 inches)92%low

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