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May Weather in Saint Leon, United States

Last updated: June 24, 2025

In May, the average temperature in Saint Leon, United States hovers around 18°C (65°F). Visitors can expect a range from a chilly 0°C (32°F) to a warm 33°C (91°F). With 129 mm (5.1 in) of precipitation spread over 15 days, it's wise to pack an umbrella! Additionally, the average humidity sits at a comfortable 79%, making it a pleasant time to explore the area.

May Temperature in Saint Leon

In May in Saint Leon, the average temperature is 18°C (65°F). Maximums can reach 33°C (91°F), while minimums can drop as low as 0°C (32°F). This weather makes it a great time for outdoor adventures, so pack accordingly!

May Weather in Saint Leon: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint Leon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Leon, May typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec323644546573777470584338
Data source: Temperature data for Saint Leon 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 Saint Leon

In Saint Leon in May, the precipitation amount is 129 mm (5.1 in) over a span of 15 days.

May Precipitation Trends in Saint Leon

The chart displays monthly precipitation patterns in Saint Leon, 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 Saint Leon, May typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec80106136117129135115103839897102
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint Leon

In Saint Leon in May, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

May Average Humidity in Saint Leon

This chart illustrates the average monthly humidity levels in Saint Leon, 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 Saint Leon is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint Leon

In Saint Leon 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 Saint Leon.

Maximum UV Index Levels in Saint Leon for May

The chart shows the monthly maximum UV Index (UVI) for Saint Leon 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 Saint Leon typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Saint Leon 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 Saint Leon Compares to Other Months

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

This table compares monthly weather conditions in Saint Leon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)80 mm (3.1 inches)87%moderate
February Weather2°C (36°F)106 mm (4.2 inches)85%moderate
March Weather7°C (45°F)136 mm (5.3 inches)86%high
April Weather12°C (54°F)117 mm (4.6 inches)84%very high
May Weather18°C (65°F)129 mm (5.1 inches)79%very high
June Weather23°C (73°F)135 mm (5.3 inches)82%very high
July Weather25°C (77°F)115 mm (4.5 inches)79%very high
August Weather24°C (75°F)103 mm (4.1 inches)70%very high
September Weather21°C (70°F)83 mm (3.3 inches)69%very high
October Weather15°C (59°F)98 mm (3.9 inches)76%high
November Weather6°C (43°F)97 mm (3.8 inches)88%moderate
December Weather3°C (38°F)102 mm (4.0 inches)87%moderate

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