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April Weather in Huntsville, United States

Last updated: June 24, 2025

In April, the average temperature in Huntsville, United States hovers around 20°C (68°F). You can expect a minimum of 3°C (37°F) and a maximum of 33°C (91°F) during this time. With 111 mm (4.4 in) of precipitation spread over 10 days, the air remains quite humid with an average humidity of 79%.

April Temperature in Huntsville

In April in Huntsville, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F), while minimums can drop as low as 3°C (37°F). This makes Huntsville an ideal destination for travelers seeking a mild climate with varied temperature experiences.

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

The chart illustrates April 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, April typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec525564687682848480716055
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.

April Precipitation in Huntsville

In Huntsville in April, the precipitation amount is 111 mm (4.4 in) over a span of 10 days.

April Precipitation Trends in Huntsville

The chart displays monthly precipitation patterns in Huntsville, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Huntsville, April typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec89105801111911308214212111182116
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Huntsville

In Huntsville in April humidity is 79%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and prompting the need for frequent breaks and hydration while traveling.

April Average Humidity in Huntsville

This chart illustrates the average monthly humidity levels in Huntsville, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Huntsville is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Huntsville

In Huntsville in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for Huntsville in April, 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 April, the maximum UV index in Huntsville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101111121110864
Data source: Huntsville April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)89 mm (3.5 inches)79%moderate
February Weather13°C (55°F)105 mm (4.1 inches)80%very high
March Weather18°C (64°F)80 mm (3.2 inches)78%very high
April Weather20°C (68°F)111 mm (4.4 inches)79%very high
May Weather24°C (76°F)191 mm (7.5 inches)81%extreme
June Weather28°C (82°F)130 mm (5.1 inches)77%extreme
July Weather29°C (84°F)82 mm (3.2 inches)71%extreme
August Weather29°C (85°F)142 mm (5.6 inches)67%extreme
September Weather27°C (80°F)121 mm (4.8 inches)69%very high
October Weather22°C (71°F)111 mm (4.4 inches)73%very high
November Weather16°C (60°F)82 mm (3.2 inches)82%high
December Weather13°C (56°F)116 mm (4.6 inches)87%moderate

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