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May Weather in Winnsboro, United States

Last updated: June 24, 2025

In Winnsboro, United States, the average temperature in May hovers around 22°C (72°F). Weather extremes can range from a cool 7°C (45°F) to a scorching 37°C (98°F). This month sees an average precipitation of 112 mm (4.4 in) across 10 days, accompanied by a high average humidity of 83%. Be prepared for a mix of warm and wet days!

May Temperature in Winnsboro

In May in Winnsboro, the average temperature is 22°C (72°F). Maximums can reach up to 37°C (98°F), while minimums can plummet to as low as 7°C (45°F). This makes it a great time for travelers to experience a warm climate, but with the possibility of cooler evenings, packing layers is recommended.

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

The chart illustrates May temperature patterns in Winnsboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winnsboro, May typically has an average temperature of 22°C (72°F), with highs reaching up to 37°C (98°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec475256647277817976675449
Data source: Temperature data for Winnsboro 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 Winnsboro

In Winnsboro in May, the total precipitation amount is 112 mm (4.4 in) over the course of 10 days.

May Precipitation Trends in Winnsboro

The chart displays monthly precipitation patterns in Winnsboro, 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 Winnsboro, May typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec89124831011121011241291027785131
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Winnsboro

In Winnsboro in May humidity is 83%. With average temperature 22°C (72°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and prompting travelers to seek shade or frequent stops for hydration.

May Average Humidity in Winnsboro

This chart illustrates the average monthly humidity levels in Winnsboro, 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 Winnsboro is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Winnsboro

In Winnsboro 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 Winnsboro.

Maximum UV Index Levels in Winnsboro for May

The chart shows the monthly maximum UV Index (UVI) for Winnsboro 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 Winnsboro typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810101111109864
Data source: Winnsboro 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 Winnsboro Compares to Other Months

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

This table compares monthly weather conditions in Winnsboro, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)89 mm (3.5 inches)86%moderate
February Weather11°C (52°F)124 mm (4.9 inches)85%high
March Weather13°C (56°F)83 mm (3.3 inches)84%very high
April Weather18°C (64°F)101 mm (4.0 inches)82%very high
May Weather22°C (72°F)112 mm (4.4 inches)83%very high
June Weather25°C (78°F)101 mm (4.0 inches)82%extreme
July Weather27°C (81°F)124 mm (4.9 inches)80%extreme
August Weather26°C (80°F)129 mm (5.1 inches)74%very high
September Weather24°C (76°F)102 mm (4.0 inches)75%very high
October Weather20°C (68°F)77 mm (3.0 inches)79%very high
November Weather12°C (54°F)85 mm (3.3 inches)87%high
December Weather10°C (50°F)131 mm (5.1 inches)87%moderate

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