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May Weather in Winnsboro, United States

Last updated: June 24, 2025

In Winnsboro, United States, the average temperature in May is a pleasant 23°C (73°F). Expect a range of temperatures, with minimums dipping down to 9°C (48°F) and maximums soaring up to 35°C (96°F). During this month, precipitation averages 171 mm (6.7 in) over approximately 12 days, and the average humidity sits at a comfortable 81%.

May Temperature in Winnsboro

In May, in Winnsboro, the average temperature is 23°C (73°F). Maximums can reach 35°C (96°F), while minimums can dip as low as 9°C (48°F). Be sure to pack layers to enjoy a comfortable trip amidst the warm days and cooler nights.

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 23°C (73°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec474959647380838378675651
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 171 mm (6.7 in) occurring over a span of 12 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 171 mm (6.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1001471301751719775769012967107
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 81%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious while traveling and causing you to constantly seek out shade or a cool breeze for relief.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
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)100 mm (3.9 inches)80%moderate
February Weather9°C (49°F)147 mm (5.8 inches)79%high
March Weather15°C (60°F)130 mm (5.1 inches)78%very high
April Weather18°C (64°F)175 mm (6.9 inches)78%very high
May Weather23°C (73°F)171 mm (6.7 inches)81%extreme
June Weather27°C (80°F)97 mm (3.8 inches)78%extreme
July Weather29°C (84°F)75 mm (2.9 inches)73%extreme
August Weather29°C (84°F)76 mm (3.0 inches)66%extreme
September Weather26°C (79°F)90 mm (3.5 inches)65%very high
October Weather20°C (68°F)129 mm (5.1 inches)72%very high
November Weather13°C (56°F)67 mm (2.6 inches)82%high
December Weather11°C (51°F)107 mm (4.2 inches)87%moderate

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