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January Weather in Huntsville, United States

Last updated: June 24, 2025

In Huntsville, United States, the average temperature for January hovers around 3°C (37°F). Temperatures can dip as low as -18°C (0°F) or soar to a pleasant 21°C (69°F). Expect about 86 mm (3.4 in) of precipitation over 9 days, contributing to the area's 82% average humidity. Stay prepared for a mix of chilly and mild weather!

January Temperature in Huntsville

In January in Huntsville, the average temperature is 3°C (37°F), with maximums reaching 21°C (69°F) and minimums dropping as low as -18°C (0°F). It's advisable to pack for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates January 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, January typically has an average temperature of 3°C (37°F), with highs reaching up to 21°C (69°F) and lows dropping to around -18°C (0°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.

January Precipitation in Huntsville

In Huntsville in January, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.

January Precipitation Trends in Huntsville

The chart displays monthly precipitation patterns in Huntsville, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Huntsville, January typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8610814516219110896139641348081
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Huntsville

In Huntsville in January, humidity is 82%. With an average temperature of 3°C (37°F), this humidity feels like an uncomfortable chill that wraps around you, making outdoor activities less enjoyable and prompting a constant search for warmth.

January Average Humidity in Huntsville

This chart illustrates the average monthly humidity levels in Huntsville, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Huntsville

In Huntsville in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Huntsville for better planning.

Maximum UV Index Levels in Huntsville for January

The chart shows the monthly maximum UV Index (UVI) for Huntsville in January, 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 January, the maximum UV index in Huntsville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Huntsville January 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 January 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 January’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 January’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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