nomadseason

May Weather in Huntsville, United States

Last updated: June 24, 2025

In May, the average temperature in Huntsville, United States is a pleasant 21°C (71°F). However, be prepared for fluctuations, as temperatures can dip as low as 4°C (40°F) or soar to a sizzling 34°C (93°F). Expect about 98 mm (3.9 in) of precipitation over 11 days, contributing to an average humidity of 83%. Plan accordingly to enjoy your stay!

May Temperature in Huntsville

In May in Huntsville, the average temperature is 21°C (71°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 4°C (40°F). This makes it an ideal time for travelers to experience comfortable weather, perfect for outdoor activities and exploring the sights.

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

The chart illustrates May temperature patterns in Huntsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Huntsville, May typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec434855617176807975655047
Data source: Temperature data for Huntsville 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 Huntsville

In Huntsville in May, the total precipitation amount is 98 mm (3.9 in) over the course of 11 days.

May Precipitation Trends in Huntsville

The chart displays monthly precipitation patterns in Huntsville, 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 Huntsville, May typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1151802071489813713311911812578159
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Huntsville

In Huntsville in May humidity is 83%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm mist, making travel both refreshing and slightly uncomfortable as the air clings to your skin and you find yourself needing to take frequent breaks to hydrate.

May Average Humidity in Huntsville

This chart illustrates the average monthly humidity levels in Huntsville, 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 Huntsville is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Huntsville

In Huntsville 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 Huntsville.

Maximum UV Index Levels in Huntsville for May

The chart shows the monthly maximum UV Index (UVI) for Huntsville 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 Huntsville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Huntsville 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 Huntsville Compares to Other Months

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

This table compares monthly weather conditions in Huntsville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)115 mm (4.5 inches)87%moderate
February Weather9°C (49°F)180 mm (7.1 inches)87%high
March Weather13°C (55°F)207 mm (8.1 inches)85%very high
April Weather16°C (61°F)148 mm (5.8 inches)82%very high
May Weather21°C (71°F)98 mm (3.9 inches)83%extreme
June Weather25°C (77°F)137 mm (5.4 inches)82%extreme
July Weather26°C (80°F)133 mm (5.2 inches)78%extreme
August Weather26°C (79°F)119 mm (4.7 inches)67%very high
September Weather24°C (75°F)118 mm (4.7 inches)64%very high
October Weather18°C (65°F)125 mm (4.9 inches)74%high
November Weather10°C (51°F)78 mm (3.1 inches)87%moderate
December Weather8°C (47°F)158 mm (6.2 inches)88%moderate

Compare Huntsville's Climate with Cities Worldwide