Huntsville, AL Climate & Monthly Averages
The climate of Huntsville
Located in Alabama, United States, Huntsville experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 89°F (32°C) in July and dip to about 50°F (10°C) in January, with around 57.4 inches (1458 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: July - highs near 89°F (32°C)
- Coldest month: January - highs near 50°F (10°C)
- Record high: 98°F (37°C) · Record low: 0°F (-18°C) (2015–2024)
- Wettest month: February (13 rainy days) · Sunniest: June (11.7 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 1 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 89°F (32°C) and overnight lows stay near 71°F (22°C). The coolest month is January, with typical highs of 50°F (10°C) and lows around 34°F (1°C). Based on 2015–2024 weather data, temperatures have reached as high as 98°F (37°C) and dropped as low as 0°F (-18°C).
Rain, sun and snow
February is usually the wettest month. It brings about 6.7 inches (171 mm) of rain over 13 days, while September is the driest. June brings the most sunshine, averaging 11.7 hours of sun a day. Snowfall is rare but not unheard of.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 50° | 34° | 11 | 5.1 in | 6.5 h/day | 72% |
| February | 56° | 38° | 13 | 6.7 in | 6.2 h/day | 73% |
| March | 63° | 44° | 12 | 6.5 in | 8.0 h/day | 71% |
| April | 70° | 50° | 11 | 4.9 in | 9.7 h/day | 69% |
| May | 80° | 60° | 12 | 4.2 in | 10.9 h/day | 71% |
| June | 87° | 68° | 12 | 4.0 in | 11.7 h/day | 71% |
| July | 89° | 71° | 16 | 4.8 in | 11.6 h/day | 75% |
| August | 88° | 70° | 14 | 5.0 in | 10.8 h/day | 74% |
| September | 84° | 65° | 8 | 3.2 in | 10.1 h/day | 70% |
| October | 74° | 55° | 7 | 3.4 in | 9.0 h/day | 69% |
| November | 62° | 44° | 9 | 3.7 in | 7.5 h/day | 71% |
| December | 55° | 39° | 11 | 5.9 in | 6.1 h/day | 76% |
Huntsville month by month
Huntsville weather in January
January brings highs around 50°F (10°C), lows near 34°F (1°C), about 11 wet days - typically the coldest month of the year in Huntsville.
Huntsville weather in February
February brings highs around 56°F (13°C), lows near 38°F (3°C), about 13 wet days - typically the wettest month of the year in Huntsville.
Huntsville weather in March
March brings highs around 63°F (17°C), lows near 44°F (7°C), about 12 wet days.
Huntsville weather in April
April brings highs around 70°F (21°C), lows near 50°F (10°C), about 11 wet days.
Huntsville weather in May
May brings highs around 80°F (27°C), lows near 60°F (16°C), about 12 wet days.
Huntsville weather in June
June brings highs around 87°F (30°C), lows near 68°F (20°C), about 12 wet days - typically the sunniest month of the year in Huntsville.
Huntsville weather in July
July brings highs around 89°F (32°C), lows near 71°F (22°C), about 16 wet days - typically the hottest month of the year in Huntsville.
Huntsville weather in August
August brings highs around 88°F (31°C), lows near 70°F (21°C), about 14 wet days.
Huntsville weather in September
September brings highs around 84°F (29°C), lows near 65°F (19°C), about 8 wet days - typically the driest month of the year in Huntsville.
Huntsville weather in October
October brings highs around 74°F (24°C), lows near 55°F (13°C), about 7 wet days.
Huntsville weather in November
November brings highs around 62°F (17°C), lows near 44°F (7°C), about 9 wet days.
Huntsville weather in December
December brings highs around 55°F (13°C), lows near 39°F (4°C), about 11 wet days.
Seasons in Huntsville
Spring (March through May)
Spring in Huntsville brings comfortable warmth, with daytime highs averaging 71°F (22°C) and nights around 51°F (11°C); expect showers on roughly 35 days across the season.
Summer (June through August)
Summer in Huntsville is hot, with daytime highs averaging 88°F (31°C) and nights around 70°F (21°C); expect showers on roughly 42 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Huntsville is mild and warm, with daytime highs averaging 74°F (23°C) and nights around 55°F (13°C); expect showers on roughly 24 days across the season.
Winter (December through February)
Winter in Huntsville is crisp but comfortable, with daytime highs averaging 54°F (12°C) and nights around 37°F (3°C); expect showers on roughly 35 days across the season.
Climate questions, answered
What is the average temperature in Huntsville?
Is Huntsville hot in summer?
Is Huntsville cold in winter?
How many rainy days does Huntsville get in a year?
Best time to visit Huntsville
The best time to visit Huntsville is generally September to November and April to May, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 74°F (23°C).
Pack for Huntsville with lightweight, breathable clothing and strong sun protection for the hot months; a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 71°F (22°C).
Huntsville temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.