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May Weather in Huntsville, United States

Last updated: June 24, 2025

In May, the average temperature in Huntsville, United States is a pleasant 19°C (66°F). However, temperatures can fluctuate, with a minimum of 4°C (40°F) and a maximum soaring to 35°C (95°F). Visitors should be prepared for some rain, as the area experiences 211 mm (8.3 in) of precipitation over approximately 15 days. Additionally, be ready for a high average humidity of 82%, which may add to the overall tropical feel of the region.

May Temperature in Huntsville

In May in Huntsville, the average temperature is 19°C (66°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 4°C (40°F). This wide temperature range makes it advisable for travelers to pack clothing suitable for both warm afternoons and cooler evenings.

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 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec303245546676807672574337
Data source: Temperature data for Huntsville 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 Huntsville

In Huntsville in May, the total precipitation amount is 211 mm (8.3 in) over a span of 15 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 211 mm (8.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec635411510421113210499651145241
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Huntsville

In Huntsville in May humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
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 Weather-1°C (30°F)63 mm (2.5 inches)80%moderate
February Weather0°C (33°F)54 mm (2.1 inches)78%moderate
March Weather7°C (46°F)114 mm (4.5 inches)75%high
April Weather12°C (54°F)104 mm (4.1 inches)77%very high
May Weather19°C (66°F)211 mm (8.3 inches)82%very high
June Weather25°C (77°F)132 mm (5.2 inches)83%extreme
July Weather26°C (80°F)104 mm (4.1 inches)81%extreme
August Weather24°C (76°F)99 mm (3.9 inches)78%very high
September Weather22°C (72°F)65 mm (2.6 inches)72%very high
October Weather14°C (57°F)114 mm (4.5 inches)72%high
November Weather6°C (43°F)52 mm (2.1 inches)84%moderate
December Weather3°C (37°F)41 mm (1.6 inches)86%moderate

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