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May Weather in Clayton, United States

Last updated: June 24, 2025

The average temperature in Clayton, United States during May hovers around 18°C (65°F). Expect a range where minimums can drop to 2°C (37°F) while maximums reach up to 35°C (95°F). This month typically sees around 162 mm (6.4 in) of precipitation spread across 16 days, complemented by an average humidity of 82%.

May Temperature in Clayton

In May in Clayton, the average temperature is 18°C (65°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 2°C (37°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly to ensure a comfortable experience.

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

The chart illustrates May temperature patterns in Clayton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clayton, May typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec283143526575787570564136
Data source: Temperature data for Clayton 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 Clayton

In Clayton in May, the precipitation amount is 162 mm (6.4 in) spread over 16 days.

May Precipitation Trends in Clayton

The chart displays monthly precipitation patterns in Clayton, 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 Clayton, May typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec62641231041621198998901045947
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Clayton

In Clayton in May, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

May Average Humidity in Clayton

This chart illustrates the average monthly humidity levels in Clayton, 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 Clayton is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Clayton

In Clayton 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 Clayton.

Maximum UV Index Levels in Clayton for May

The chart shows the monthly maximum UV Index (UVI) for Clayton 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 Clayton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111198643
Data source: Clayton 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 Clayton Compares to Other Months

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

This table compares monthly weather conditions in Clayton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)62 mm (2.4 inches)82%moderate
February Weather-1°C (31°F)64 mm (2.5 inches)80%moderate
March Weather6°C (44°F)123 mm (4.8 inches)80%high
April Weather11°C (52°F)104 mm (4.1 inches)80%very high
May Weather18°C (65°F)162 mm (6.4 inches)82%very high
June Weather24°C (75°F)119 mm (4.7 inches)83%extreme
July Weather26°C (78°F)88 mm (3.5 inches)81%extreme
August Weather24°C (75°F)98 mm (3.9 inches)80%very high
September Weather21°C (71°F)90 mm (3.5 inches)76%very high
October Weather14°C (57°F)104 mm (4.1 inches)76%high
November Weather5°C (42°F)59 mm (2.3 inches)85%moderate
December Weather2°C (36°F)47 mm (1.9 inches)86%moderate

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