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May Weather in Huntsville, United States

Last updated: June 24, 2025

In Huntsville, United States, the average temperature in May hovers around 19°C (66°F), with a minimum dipping to 3°C (37°F) and a maximum reaching up to 31°C (89°F). This month sees an average precipitation of 191 mm (7.5 in) spread across 15 days, contributing to a high humidity level of 82%. Be prepared for a mix of warmth and moisture as you explore this captivating destination!

May Temperature in Huntsville

In May in Huntsville, the average temperature is 19°C (66°F). Maximums can reach 31°C (89°F), while minimums can drop as low as 3°C (37°F). This makes Huntsville an ideal destination for travelers seeking a pleasant climate with warm days and cool 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 31°C (89°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec374051566674777572594743
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 191 mm (7.5 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 191 mm (7.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8610814516219110896139641348081
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.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
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 Weather3°C (37°F)86 mm (3.4 inches)82%moderate
February Weather4°C (40°F)108 mm (4.2 inches)79%high
March Weather10°C (51°F)145 mm (5.7 inches)77%very high
April Weather13°C (56°F)162 mm (6.4 inches)78%very high
May Weather19°C (66°F)191 mm (7.5 inches)82%extreme
June Weather23°C (74°F)108 mm (4.3 inches)81%extreme
July Weather25°C (78°F)96 mm (3.8 inches)75%extreme
August Weather24°C (76°F)139 mm (5.5 inches)61%very high
September Weather22°C (72°F)64 mm (2.5 inches)59%very high
October Weather15°C (59°F)134 mm (5.3 inches)69%high
November Weather8°C (47°F)80 mm (3.1 inches)82%moderate
December Weather6°C (43°F)81 mm (3.2 inches)87%moderate

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