May Weather in McComb, United States

Last updated: June 24, 2025

In May, the average temperature in McComb, United States hovers around 17°C (63°F). Expect a wide range in temperatures, with a minimum dipping to -1°C (30°F) and a maximum soaring to 34°C (94°F). You'll also experience 136 mm (5.3 in) of precipitation over about 14 days, contributing to an average humidity of 81%. Perfect for those who enjoy a mix of conditions!

May Temperature in McComb

In May in McComb, the average temperature is 17°C (63°F), with maximums reaching 34°C (94°F) and minimums dropping as low as -1°C (30°F). This variation makes it an ideal time for travelers to pack both light clothing for warm days and warmer layers for chilly nights.

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

The chart illustrates May temperature patterns in McComb, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McComb, 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 -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec293141506272757368574135
Data source: Temperature data for McComb generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in McComb

In McComb in May, the total precipitation amount is 136 mm (5.3 in) spread over 14 days.

May Precipitation Trends in McComb

The chart displays monthly precipitation patterns in McComb, 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 McComb, May typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7285951031361251128770918764
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in McComb

In McComb in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

May Average Humidity in McComb

This chart illustrates the average monthly humidity levels in McComb, 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 McComb is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in McComb

In McComb 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 McComb.

Maximum UV Index Levels in McComb for May

The chart shows the monthly maximum UV Index (UVI) for McComb 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 McComb typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: McComb 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 McComb Compares to Other Months

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

This table compares monthly weather conditions in McComb, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)72 mm (2.8 inches)88%moderate
February Weather0°C (32°F)85 mm (3.3 inches)87%moderate
March Weather5°C (41°F)95 mm (3.7 inches)87%high
April Weather10°C (50°F)103 mm (4.1 inches)87%very high
May Weather17°C (63°F)136 mm (5.3 inches)81%very high
June Weather22°C (72°F)125 mm (4.9 inches)82%very high
July Weather24°C (76°F)112 mm (4.4 inches)81%very high
August Weather23°C (73°F)87 mm (3.4 inches)78%very high
September Weather20°C (68°F)70 mm (2.7 inches)78%very high
October Weather14°C (57°F)91 mm (3.6 inches)82%high
November Weather5°C (42°F)87 mm (3.4 inches)89%moderate
December Weather2°C (35°F)64 mm (2.5 inches)86%low

Compare McComb's Climate with Cities Worldwide