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May Weather in Clayton, United States

Last updated: June 24, 2025

In May, the average temperature in Clayton, United States hovers around 21°C (70°F). Expect a minimum of 6°C (44°F) and the chance of soaring up to a pleasant 34°C (94°F). During this period, the region experiences approximately 197 mm (7.8 in) of rainfall over 14 days, accompanied by a high average humidity of 83%.

May Temperature in Clayton

In May in Clayton, the average temperature is 21°C (70°F), with maximums reaching 34°C (94°F) and minimums dropping to as low as 6°C (44°F). This variation in temperature makes Clayton a great destination for travelers seeking both warmth and cooler evenings.

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 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec424456617078818076635247
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 total precipitation amount is 197 mm (7.8 in) spread over a duration of 14 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 197 mm (7.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8312713314919791781037415967100
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 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010854
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 Weather6°C (42°F)83 mm (3.3 inches)79%moderate
February Weather7°C (45°F)127 mm (5.0 inches)78%high
March Weather13°C (56°F)133 mm (5.2 inches)75%very high
April Weather16°C (61°F)149 mm (5.9 inches)75%very high
May Weather21°C (70°F)197 mm (7.8 inches)83%extreme
June Weather26°C (78°F)91 mm (3.6 inches)81%extreme
July Weather27°C (82°F)78 mm (3.1 inches)78%extreme
August Weather27°C (81°F)103 mm (4.1 inches)68%very high
September Weather24°C (76°F)74 mm (2.9 inches)64%very high
October Weather17°C (64°F)159 mm (6.2 inches)71%very high
November Weather11°C (52°F)67 mm (2.6 inches)82%moderate
December Weather8°C (47°F)100 mm (4.0 inches)87%moderate

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