May Weather in Preston, United States

Last updated: June 24, 2025

In May, the average temperature in Preston, United States hovers around 12°C (54°F), while extremes can range from a chilly -4°C (25°F) to a warm 30°C (87°F). Expect about 47 mm (1.9 in) of precipitation spread over 9 days, with an average humidity of 62%. Stay prepared for a mix of smooth and varied weather!

May Temperature in Preston

In May in Preston, the average temperature is 12°C (54°F). Maximums can reach 30°C (87°F), while minimums can dip as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures during this time.

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 12°C (54°F), with highs reaching up to 30°C (87°F) and lows dropping to around -4°C (25°F).

Data source: Temperature data for Preston generated using information from the Copernicus Climate Change Service.

May Precipitation in Preston

In Preston in May, the precipitation amount is 47 mm (1.9 in) spread over a period of 9 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 47 mm (1.9 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Preston

In Preston in May, humidity is 62%. With an average temperature of 12°C (54°F), this humidity feels like a cool, damp embrace, making travel slightly uncomfortable; visitors may find themselves wrapped in light layers as the moisture hangs in the air, creating an atmosphere that's refreshing yet chill.

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 62%, offering insight into how humid the weather typically is during this month.

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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	57 mm (2.2 inches)	91%	moderate
February Weather	-3°C (27°F)	67 mm (2.7 inches)	92%	moderate
March Weather	2°C (36°F)	50 mm (2.0 inches)	84%	high
April Weather	7°C (45°F)	62 mm (2.4 inches)	74%	very high
May Weather	12°C (54°F)	47 mm (1.9 inches)	62%	very high
June Weather	19°C (66°F)	19 mm (0.8 inches)	56%	extreme
July Weather	24°C (75°F)	10 mm (0.4 inches)	44%	extreme
August Weather	22°C (72°F)	14 mm (0.6 inches)	37%	very high
September Weather	17°C (62°F)	30 mm (1.2 inches)	46%	very high
October Weather	8°C (46°F)	37 mm (1.5 inches)	67%	high
November Weather	2°C (36°F)	42 mm (1.7 inches)	84%	moderate
December Weather	-4°C (25°F)	46 mm (1.8 inches)	88%	moderate