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May Weather in Williamston, United States

Last updated: June 24, 2025

In May, the average temperature in Williamston, United States hovers around 15°C (60°F). However, be prepared for a range, as temperatures can dip as low as -2°C (28°F) and soar up to 35°C (96°F). The region experiences approximately 119 mm (4.7 in) of precipitation over 15 days, with an average humidity of 80%.

May Temperature in Williamston

In May in Williamston, the average temperature is 15°C (60°F). Maximums can reach 35°C (96°F), and minimums can be as low as -2°C (28°F). Be sure to pack for a wide range of temperatures if you're planning to visit!

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

The chart illustrates May temperature patterns in Williamston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamston, May typically has an average temperature of 15°C (60°F), with highs reaching up to 35°C (96°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737466070747265533832
Data source: Temperature data for Williamston 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 Williamston

In Williamston in May, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

May Precipitation Trends in Williamston

The chart displays monthly precipitation patterns in Williamston, 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 Williamston, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec656768901191068469861146757
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Williamston

In Williamston in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.

May Average Humidity in Williamston

This chart illustrates the average monthly humidity levels in Williamston, 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 Williamston is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Williamston

In Williamston in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Williamston.

Maximum UV Index Levels in Williamston for May

The chart shows the monthly maximum UV Index (UVI) for Williamston 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 Williamston typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Williamston 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 Williamston Compares to Other Months

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

This table compares monthly weather conditions in Williamston, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)65 mm (2.5 inches)88%low
February Weather-3°C (27°F)67 mm (2.6 inches)87%moderate
March Weather3°C (37°F)68 mm (2.7 inches)85%moderate
April Weather8°C (47°F)90 mm (3.5 inches)86%very high
May Weather15°C (60°F)119 mm (4.7 inches)80%very high
June Weather21°C (70°F)106 mm (4.2 inches)80%very high
July Weather24°C (75°F)84 mm (3.3 inches)80%very high
August Weather22°C (72°F)69 mm (2.7 inches)80%very high
September Weather18°C (65°F)86 mm (3.4 inches)80%high
October Weather12°C (53°F)114 mm (4.5 inches)84%moderate
November Weather4°C (39°F)67 mm (2.6 inches)89%moderate
December Weather0°C (32°F)57 mm (2.3 inches)86%low

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