Climate and monthly weather forecast
Huntsville, AL

Share
The colorful neon lights that lit up the buildings and roads of Huntsville in Alabama
The colorful neon lights that lit up the buildings and roads of Huntsville in Alabama

The climate of Huntsville

Huntsville, Alabama is characterized by a Humid Subtropical climate according to the Köppen climate classification - specifically Cfa, indicating no dry season. Geographically, Huntsville is situated in the southeastern United States. The climate is largely influenced by the Gulf of Mexico, resulting in high humidity and substantial rainfall throughout the year.

The annual temperature range is considerable, with average monthly high temperatures spanning from 46.9°F (8.3°C) in January to a peak of 88.3°F (31.3°C) in July. The low temperatures also display a wide range, fluctuating from 32.7°F (0.4°C) in January to 68.9°F (20.5°C) in July. These variations point towards the seasonal changes that Huntsville experiences, with distinct cold, mild, and hot periods.

On the most part, Huntsville receives an ample amount of rainfall, averaging between 2.17in and 4.45in per month. The months of April and December receive the highest amount of rainfall, while September registers the least. It's worth noting that snowfall only occurs during the colder months, with miniature amounts ranging from 0.08in to 0.83in.

In terms of sunshine hours, Huntsville experiences a fair amount spanning from 4.5 hours per day in February to 10.4 hours per day in June. Throughout the year, the relative humidity stays relatively constant, fluctuating a small amount between 73% and 80%.

The best time to visit Huntsville

Optimum times to visit Huntsville would fall between April and June or between September and November. During these periods, the weather is pleasant, with average high temperatures ranging from 70°F (21.1°C) to 85.6°F (29.8°C). Furthermore, these months are the ones registering the longest daylight hours, keeping the days longer and more enjoyable for outdoor activities. The relative humidity during these periods, while still high, is slightly lower than in the peak summer months, making the weather more comfortable.

The worst time to visit Huntsville

The most challenging time to visit Huntsville is likely between December and February. These months are the coldest, with low temperatures dropping to between 32.7°F (0.4°C) and 36.7°F (2.6°C). Furthermore, these months see the least daylight hours, between 9.9 hours to 11 hours per day, combined with the lowest amount of daily sunshine, only between 4.5 hours to 4.7 hours. December is also one of the rainiest months of the year, with an average rainfall of 4.25in.

Spring weather in Huntsville

Spring in Huntsville sees gradually warming temperatures, with highs ranging from 60.1°F (15.6°C) in March to 77.9°F (25.5°C) in May. Low temperatures also increase during this season, starting at 43°F (6.1°C) in March and peaking at 58.6°F (14.8°C) in May. The region receives a substantial amount of rainfall during spring, with April witnessing the highest rainfall, measuring at 4.45in.

Summer weather in Huntsville

Summer in Huntsville brings high temperatures and humidity. Average high temperatures peak at 88.3°F (31.3°C) in July while the average lows range from 66°F (18.9°C) to 68.9°F (20.5°C). Despite the heat, this season also presents the longest daylight hours, peaking at 14.5 hours in June, as well as the highest average daily sunshine, up to 10.4 hours in the same month.

Autumn weather in Huntsville

Autumn is a transitional season in Huntsville, with temperatures gradually decreasing from the summer heat to winter coolness. Average highs fall from 82°F (27.8°C) in September to 58.5°F (14.7°C) by November. Lows also decrease, ranging from 62.6°F (17°C) to 41.5°F (5.3°C) over the same period. Note that September is the driest month in Huntsville with an average rainfall of 2.17in.

Winter weather in Huntsville

Huntsville's winter months, December to February, are characterized by the lowest temperatures with the average highs ranging from 46.9°F (8.3°C) to 52.3°F (11.3°C), and the average lows between 32.7°F (0.4°C) to 36.7°F (2.6°C). December also experiences the highest rainfall during this season, 4.25in, while February witnesses minimal snowfall, just 0.35in on average. Although daily sunshine hours are limited, Huntsville still receives around 4.7 hours to 4.5 hours of sunshine during these months.

Weather in January

The New Year in Huntsville, Alabama, commences with a cold snap. Nights can be particularly chilly in January, with the mercury dropping to a bitter 32.7°F (0.4°C). The winter charm is accentuated by brief snowfall, transforming the landscape into a beautiful white winter wonderland. Weather in January »

Weather in February

The winter chill retains its grip in February, though the weather gradually starts becoming milder. Daytime temperatures experience a moderate boost to 52.3°F (11.3°C), however, citizens are still advised to stay prepared for possible frosty nights. Weather in February »

Weather in March

The advent of spring summons a transitional phase in Huntsville's weather in March. The city begins to thaw, with temperatures comfortably nestling around 60.1°F (15.6°C) in the day. However, this period witnesses a noticeable increment in the rain frequency, encouraging the growth of spring blossoms, thus enhancing the city's scenic beauty. Weather in March »

Weather in April

April showcases a significant turn in Huntsville's weather storyline with welcoming warmth and extended daylight hours. Daytime temperatures hover around a pleasant 70°F (21.1°C), stimulating the flourishing spring flora. Rainfall persists, though it does not impede outdoor activities due to the long, sunny days. Weather in April »

Weather in May

May endorses the progression towards summer with noticeably warmer temperatures in Huntsville. Daytime temperatures in May climb up to a significant 77.9°F (25.5°C), charting the transition towards the hot season. This hike in temperature is accompanied by the longest daylight hours in the year, offering extensive time to indulge in outdoorsy pursuits. Weather in May »

Weather in June

June ushers in the summer season in Huntsville, characterized by warm temperatures and substantial sunlight. The city bathes in sunlight for over 14 hours, contributing to the lively summer mood. Rainfall patterns persist, lending a refreshing dimension to the otherwise hot days. Weather in June »

Weather in July

July represents the height of summer in Huntsville, boasting the highest temperatures of the year. The mercury level peaks at 88.3°F (31.3°C) in the day, making it the warmest month in Huntsville. Rainfall quotient remains fairly constant, bestowing brief periods of coolness amidst hot days. Weather in July »

Weather in August

Even as the summer nears its end, August ensures Huntsville continues to experience warm weather. Daytime temperatures remain high, dissuading citizens from venturing out during peak hours. Nonetheless, the continuity of rain imparts relief from the unrelenting heat. Weather in August »

Weather in September

September marks the onset of fall in Huntsville, paving the way for milder weather. Although maximum temperatures still touch 82°F (27.8°C), the departure from summer begins to become evident. The golden hues of autumn start to gather, making it a visually appealing time in the city. Weather in September »

Weather in October

October authenticates the fall in Huntsville with further drop in temperatures. Moreover, the city sees a decline in the number of rainy days, making it an excellent month for outdoor exploration. Autumn hues reach their zenith, painting the city landscape with stunning warm colors. Weather in October »

Weather in November

The transition towards winter in Huntsville gets underway in November. Daytime temperatures drop to 58.5°F (14.7°C), marking a significant change from the heat of previous months. The vibrant foliage starts to wither and fall, transforming the cityscape once again. Weather in November »

Weather in December

Winter announces its arrival in Huntsville with December's onset. Temperatures drop further to a chilly 50.9°F (10.5°C) during the day, evoking the wintry ambiance across the city. The Christmas season enhances the beauty of Huntsville, with snowy landscapes and twinkling lights. Weather in December »
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January is the coldest month, exhibiting average temperatures of 46.9°F (8.3°C) at the peak and 32.7°F (0.4°C) at the base.

How many days does it rain?

In Huntsville, during the entire year, the rain falls for 171.9 days and collects up to 42.36" (1076mm) of precipitation.

When does it snow?

Months with snowfall are January through March, November and December.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 1.9 days and typically aggregates up to 0.83" (21mm) of snow.

How many days does it snow in Huntsville?

Throughout the year, there are 6.8 snowfall days, and 1.77" (45mm) of snow is accumulated.

What are the months with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Huntsville?

With an average of 4.5h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month?

The month with the most rainfall is April, when the rain falls for 14.3 days and typically aggregates up to 4.45" (113mm) of precipitation.

When it does not snow in Huntsville?

April through October are months without snowfall.

When is the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days?

The month with the longest days is June, with an average of 14h and 24min of daylight.

What month has the most sunshine?

With an average of 10.4h of sunshine, June has the most sunshine of the year.

What part of the year is the hottest?

Huntsville experiences its average highest temperatures in July, reaching a peak of 88.3°F (31.3°C) and a minimum of 68.9°F (20.5°C).

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.8 days and accumulates 2.17" (55mm) of precipitation.

What is the least humid month in Huntsville?

October is the least humid month, with an average relative humidity of 73%.

What is the most humid month?

With an average relative humidity of 80%, December is the most humid month.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

Average temperature
Huntsville, AL

Average temperature - Huntsville, AL

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (46.9°F).

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average pressure
Huntsville, AL

Average pressure - Huntsville, AL

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed
Huntsville, AL

Average wind speed - Huntsville, AL

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity
Huntsville, AL

Average humidity - Huntsville, AL

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Huntsville, AL

Average rainfall - Huntsville, AL

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days
Huntsville, AL

Average rainfall days - Huntsville, AL

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).

Average snowfall
Huntsville, AL

Average snowfall - Huntsville, AL

The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Huntsville, AL

Average snowfall days - Huntsville, AL

The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Huntsville, AL

Average daylight / Average sunshine - Huntsville, AL

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Huntsville, AL

Average sunshine days - Huntsville, AL

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).

Average UV index
Huntsville, AL

Average UV index - Huntsville, AL

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average visibility
Huntsville, AL

Average visibility - Huntsville, AL

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Huntsville, Alabama, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location