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May Weather in Preston, United States

Last updated: June 24, 2025

In May, the average temperature in Preston, United States hovers around 22°C (73°F). Expect a range from a cool 8°C (47°F) to a warm 34°C (94°F). Be prepared for precipitation totaling 134 mm (5.3 in) over approximately 13 days, and enjoy the prevalent humidity lingering at 81%. Plan your activities accordingly!

May Temperature in Preston

In May in Preston, the average temperature is 22°C (73°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 8°C (47°F). This is an ideal time for travelers looking to enjoy a warm climate while still having cooler evenings to explore the local sights comfortably.

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

The chart illustrates May temperature patterns in Preston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Preston, May typically has an average temperature of 22°C (73°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec444657637280848377655449
Data source: Temperature data for Preston 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 Preston

In Preston in May, the precipitation amount is 134 mm (5.3 in) recorded over the course of 13 days.

May Precipitation Trends in Preston

The chart displays monthly precipitation patterns in Preston, 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 Preston, May typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec64931061081351075596981545663
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Preston

In Preston in May, humidity is 81%. With an average temperature of 22°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor activities a bit more challenging but also invigorating, as you experience the vibrant atmosphere of the surroundings.

May Average Humidity in Preston

This chart illustrates the average monthly humidity levels in Preston, 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 Preston is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Preston

In Preston in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Preston.

Maximum UV Index Levels in Preston for May

The chart shows the monthly maximum UV Index (UVI) for Preston 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 Preston typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010864
Data source: Preston 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 Preston Compares to Other Months

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

This table compares monthly weather conditions in Preston, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)64 mm (2.5 inches)80%moderate
February Weather8°C (46°F)93 mm (3.7 inches)79%high
March Weather14°C (58°F)106 mm (4.2 inches)78%very high
April Weather17°C (63°F)108 mm (4.3 inches)78%very high
May Weather22°C (73°F)134 mm (5.3 inches)81%extreme
June Weather27°C (80°F)107 mm (4.2 inches)78%extreme
July Weather29°C (84°F)55 mm (2.2 inches)73%extreme
August Weather28°C (83°F)96 mm (3.8 inches)66%very high
September Weather25°C (78°F)98 mm (3.9 inches)65%very high
October Weather19°C (66°F)154 mm (6.1 inches)72%very high
November Weather12°C (54°F)56 mm (2.2 inches)82%high
December Weather9°C (49°F)63 mm (2.5 inches)87%moderate

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