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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 17°C (63°F). Expect a range that dips as low as -2°C (29°F) and can soar up to 34°C (94°F). During this time, the area experiences about 50 mm (2.0 in) of precipitation spread over 10 days, contributing to an average humidity of 71%.

May Temperature in Clayton

In May in Clayton, the average temperature is 17°C (63°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as -2°C (29°F). Be sure to pack for a wide range of temperatures if you're planning to travel during this month!

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 17°C (63°F), with highs reaching up to 34°C (94°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec363747536373767469554638
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 50 mm (2.0 in) over a span of 10 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 50 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec15103537503445563935913
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 71%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet a bit sticky, so travelers should stay hydrated and take breaks in the shade.

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 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%76%64%61%71%75%75%80%80%78%76%78%
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.
JanFebMarAprMayJunJulAugSepOctNovDec468111113121110854
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 Weather2°C (36°F)15 mm (0.6 inches)73%moderate
February Weather3°C (37°F)10 mm (0.4 inches)76%high
March Weather8°C (47°F)34 mm (1.4 inches)64%very high
April Weather12°C (53°F)37 mm (1.5 inches)61%extreme
May Weather17°C (63°F)50 mm (2.0 inches)71%extreme
June Weather23°C (74°F)34 mm (1.3 inches)75%extreme
July Weather25°C (76°F)45 mm (1.8 inches)75%extreme
August Weather23°C (74°F)56 mm (2.2 inches)80%extreme
September Weather20°C (69°F)39 mm (1.5 inches)80%very high
October Weather13°C (55°F)35 mm (1.4 inches)78%very high
November Weather8°C (46°F)9 mm (0.4 inches)76%moderate
December Weather3°C (38°F)13 mm (0.5 inches)78%moderate

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