nomadseason

May Weather in Portslade, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Portslade, United Kingdom hovers around 12°C (54°F). Expect a minimum of 6°C (42°F) and a pleasant maximum of 19°C (66°F). With an average precipitation amount of 47 mm (1.8 in) spread over 9 days, the humidity remains relatively high at 79%.

May Temperature in Portslade

In May in Portslade, the average temperature is 12°C (54°F), with maximums reaching 19°C (66°F) and minimums dropping to as low as 6°C (42°F). This mild climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates May temperature patterns in Portslade, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portslade, May typically has an average temperature of 12°C (54°F), with highs reaching up to 19°C (66°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec454546495459636462575148
Data source: Temperature data for Portslade generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Portslade

In Portslade in May, the total precipitation amount is 47 mm (1.8 in), which falls over the course of 9 days.

May Precipitation Trends in Portslade

The chart displays monthly precipitation patterns in Portslade, 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 Portslade, May typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec747867294765527463129110138
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Portslade

In Portslade in May, humidity is 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

May Average Humidity in Portslade

This chart illustrates the average monthly humidity levels in Portslade, 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 Portslade is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Portslade

In Portslade 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 Portslade.

Maximum UV Index Levels in Portslade for May

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

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

This table compares monthly weather conditions in Portslade, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)74 mm (2.9 inches)91%low
February Weather7°C (45°F)78 mm (3.1 inches)89%low
March Weather8°C (47°F)67 mm (2.6 inches)86%moderate
April Weather9°C (49°F)29 mm (1.2 inches)85%high
May Weather12°C (54°F)47 mm (1.8 inches)79%high
June Weather15°C (59°F)65 mm (2.6 inches)80%very high
July Weather17°C (63°F)52 mm (2.0 inches)71%very high
August Weather18°C (64°F)74 mm (2.9 inches)76%high
September Weather16°C (62°F)63 mm (2.5 inches)82%high
October Weather14°C (58°F)129 mm (5.1 inches)90%moderate
November Weather11°C (52°F)110 mm (4.3 inches)92%low
December Weather9°C (48°F)138 mm (5.4 inches)92%low

Compare Portslade's Climate with Cities Worldwide