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May Weather in Williams, United States

Last updated: June 24, 2025

In May, the average temperature in Williams, United States hovers around 13°C (56°F). Expect a minimum chill of 0°C (33°F) and a maximum warmth reaching 31°C (87°F). During this month, anticipate 57 mm (2.3 in) of precipitation spread over approximately 8 days, with an average humidity level of 83%.

May Temperature in Williams

In May in Williams, the average temperature is 13°C (56°F). Maximums can reach 31°C (87°F) and minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates May temperature patterns in Williams, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williams, May typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (87°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec393943495664717163534438
Data source: Temperature data for Williams 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 Williams

In Williams in May, the precipitation amount is 57 mm (2.3 in) over a span of 8 days.

May Precipitation Trends in Williams

The chart displays monthly precipitation patterns in Williams, 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 Williams, May typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec15015511291582136334297121
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Williams

In Williams in May humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

May Average Humidity in Williams

This chart illustrates the average monthly humidity levels in Williams, 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 Williams is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Williams

In Williams 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 Williams.

Maximum UV Index Levels in Williams for May

The chart shows the monthly maximum UV Index (UVI) for Williams 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 Williams typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101110108642
Data source: Williams 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 Williams Compares to Other Months

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

This table compares monthly weather conditions in Williams, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)150 mm (5.9 inches)84%moderate
February Weather4°C (40°F)155 mm (6.1 inches)85%moderate
March Weather6°C (44°F)112 mm (4.4 inches)86%high
April Weather9°C (49°F)91 mm (3.6 inches)83%very high
May Weather13°C (56°F)57 mm (2.3 inches)83%very high
June Weather18°C (64°F)21 mm (0.8 inches)83%extreme
July Weather22°C (71°F)3 mm (0.1 inches)78%very high
August Weather21°C (71°F)6 mm (0.3 inches)67%very high
September Weather17°C (63°F)33 mm (1.3 inches)66%very high
October Weather11°C (53°F)42 mm (1.6 inches)77%high
November Weather7°C (44°F)96 mm (3.8 inches)87%moderate
December Weather3°C (38°F)121 mm (4.8 inches)87%low

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